| Authors | Title | Journal | Vol No. | Page Nos. | Pub. Date | Bin No. |
| J. B. VanArsdale, M. J. Deutch, M. A. Lombardi, G. K. Nelson, J. A. Sherman, J. Spicer, W. C. Yates, D. C. Yost, and S. M. Brewer | Dissemination of UTC(NIST) over 20 km of commercial optical fiber with active phase stabilization | Submitted to Opt. Lett. | | | | 3266 |
| A. Hati, M. Pomponio, and C. Nelson | Ultralow PM and AM Noise Generation With an Ensemble of Phase-Coherent Oscillators | IEEE T. Ultrason. Ferr. | 71 | 332-339 | 20240201 | 3251 |
| M. Pomponio, A. Hati, and C. Nelson | Ultra-Low Phase Noise Frequency Division with Array of Direct Digital Synthesizers | IEEE T. Instrum. Meas. | 73 | 5501310/1-18 | 20231225 | 3257 |
| K. Tarasov, B. Bauer, S. Olsen, E. Grayver, H. Feil, J. Sherman, A. Montare, M. Deutch, G. Nelson, M. Lombardi, T. Marczewski, and D. Howe | Time Transfer using High-Definition Television (HDTV) Broadcast Transmitters in Common View | Proc. 2023 PTTI Mtg. | | 140-149 | 20230124 | 3210 |
| A. Hati and C. W. Nelson | A Simple Optimization Method for Generating High-Purity Amplitude and Phase Modulation | IEEE T. Instrum. Meas. | 71 | 1005009/1-9 | 20220627 | 3168 |
| A. Hati, M. Pomponio, C. Humiston, J. Lettang, and C. Nelson | 30 GHz Regenerative Frequency Divide-by-3 | Proc. 2022 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. | | 4 p. | 20220424 | 3164 |
| N. V. Nardelli, T. M. Fortier, M. Pomponio, E. Baumann, C. Nelson, T. R. Schibli, and A. Hati | 10 GHz generation with ultra-low phase noise via the transfer oscillator technique | APL Photonics | 7 | 026105/1-10 | 20220208 | 3148 |
| J. A. Sherman, L. Arissian, R. C. Brown, M. J. Deutch, E. A. Donley, V. Gerginov, J. Levine, G. K. Nelson, A. N. Novick, B. R. Patla, T. E. Parker, B. K. Stuhl, D. D. Sutton, J. Yao, W. C. Yates, V. Zhang, and M. A. Lombardi | A Resilient Architecture for the Realization and Distribution of Coordinated Universal Time to Critical Infrastructure Systems in the United States: Methodologies and Recommendations from the National Institute of Standards and Technology (NIST) | NIST Tech. Note 2187 | | 189 p. | 20211103 | 3141 |
| F. C. S. da Silva, A. B. Kos, G. E. Antonucci, J. B. Coder, C. W. Nelson, and A. Hati | Continuous-capture microwave imaging | Nat. Commun. | 12 | 8 p. | 20210625 | 3137 |
| N. V. Nardelli, T. M. Fortier, M. Pomponio, E. Baumann, C. Nelson, T. R. Schibli, and A. Hati | Transfer Oscillator Technique for 10 GHz Generation with Ultra-Low Phase Noise < -100 dBc/Hz at 1 Hz offset | Proc. 2021 Conf. Lasers and Electro-Optics | | 2 p. | 20210509 | 3166 |
| M. Pomponio, A. Hati, and C. Nelson | FPGA-based Low-Latency Digital Servo for Optical Physics Experiments | Proc. 2020 IEEE Freq. Cont. Symp. | | 2 p. | 20201022 | 3116 |
| A. Hati and C. W. Nelson | Multipath Parameter Extraction and Correction from Frequency Dependent Amplitude Fading | Proc. 2020 IEEE Intl. Freq. Cont. Symp. | | 5 p. | 20201022 | 3099 |
| G. Nelson | A Century of WWV | J. Res. Natl. Inst. Stan. | 124 | 124025/1-31 | 20190924 | 3066 |
| A. Hati and C. Nelson | W-band Vibrometer for Non-contact Thermoacoustic Imaging | IEEE T. Ultrason. Ferr. | 66 | 1536-1539 | 20190826 | 3031 |
| V. Gerginov, F. C. S. da Silva, A. Hati, and C. Nelson | An Atomic Sensor for Direct Detection of Weak Microwave Signals | IEEE T. Microw. Theory | 67 | 3485-3493 | 20190816 | 3029 |
| A. Hati and C. W. Nelson | Multipath Mitigation from FM-AM Correlation | Proc. 2019 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. | | 3 p. | 20190415 | 3055 |
| A. Hati, C. Nelson, and D. Howe | Phase Modulation Noise Reducer | United States Patent - No. 10,050,608 | | 19 p. | 20180804 | 3050 |
| A. Hati, F. C. S. daSilva, V. Gerginov, and C. W. Nelson | Effect of Local Oscillator Performance on Ultra-wideband Indoor Localization System | Proc. 2018 IEEE Intl. Freq. Cont. Symp. | | 3 p. | 20180521 | 2978 |
| D. Herman, S. Droste, E. Baumann, J. Rosland, D. Churin, A. Cingoz, J. Deschenes, I. H. Khader, W. C. Swann, C. Nelson, N. R. Newbury, and I. Coddington | Femtosecond Timekeeping: Slip-Free Clockwork for Optical Timescales | Phys. Rev. Appl. | 9 | 044002/1-6 | 20180403 | 2928 |
| A. Hati, C. W. Nelson, D. Pappas, and D. A. Howe | Phase noise measurements with a cryogenic power-splitter to minimize the cross-spectral collapse effect | Rev. Sci. Instrum. | 88 | 114707/1-5 | 20171127 | 2892 |
| G. Stefansson, F. Hearty, P. Robertson, S. Mahadevan, T. Anderson, E. Levi, C. Bender, M. Nelson, A. Monson, B. Blank, S. Halverson, C. Henderson, L. Ramsey, A. Roy, C. Schwab, and R. Terrien | A Versatile Technique to Enable Sub-Milli-Kelvin Instrument Stability for Precise Radial Velocity Measurements: Tests with the Habitable-Zone Planet Finder | Astrophys. J. | 833 | 1-15 | 20161216 | 2869 |
| A. Hati, C. Nelson, and D. Howe | Phase Modulation Noise Reducer | United States Patent - No. 9,407,206 | | 18 p. | 20160802 | 2884 |
| A. Hati, C. W. Nelson, D. A. Howe, and C. F. M. Danielson | Power Splitter Thermal Noise Correlations in Cross-spectrum Noise Measurements | Proc. 2016 IEEE Intl. Freq. Cont. Symp. | | 4 p. | 20160509 | 2853 |
| C. Barnes, A. Hati, C. Nelson, and D. Howe | Practical Evaluation of a 50 km Fiber Link Utilizing a Commercial Modem | Proc. 2016 IEEE Intl. Freq. Cont. Symp. | | 4 p. | 20160509 | 2851 |
| A. Hati, C. W. Nelson, and D. A. Howe | Measurement of AM-to-PM Conversion in a Quartz-MEMS Resonator | Proc. 2016 IEEE Intl. Freq. Cont. Symp. | | 4 p. | 20160509 | 2847 |
| C. W. Nelson, A. Hati, and D. A. Howe | Cross-spectral Collapse from Anti-correlated Thermal Noise in Power Splitters | Proc. 2016 EFTF Conf. | | 4 p. | 20160404 | 2844 |
| A. Hati, C. W. Nelson, and D. A. Howe | Oscillator PM Noise Reduction from Correlated AM Noise | IEEE T. Ultrason. Ferr. | 63 | 463-469 | 20160311 | 2789 |
| A. Hati, C. W. Nelson, and D. A. Howe | Cross-spectrum measurement of thermal-noise limited oscillators | Rev. Sci. Instrum. | 87 | 034708/1-8 | 20160301 | 2828 |
| D. A. Howe, A. Hati, C. W. Nelson, and L. Nugent-Glandorf | Optical-to-RF Frequency Synthesis: Application Priorities for Ultra-low Phase Noise | Frontiers in Optics 2015 | | 3 p. | 20151018 | 2786 |
| P. Adamson, I. Anghel, N. Ashby, A. Aurisano, G. Barr, M. Bishai, A. Blake, G. J. Bock, D. Bogert, R. Bumgarner, S. V. Cao, C. M. Castromonte, S. Childress, J. A. B. Coelho, L. Corwin, D. Cronin-Hennessy, J. K. de Jong, A. V. Devan, N. E. Devenish, M. V. Diwan, C. O. Escobar, J. J. Evans, E. Falk, G. J. Feldman, B. Fonville, M. V. Frohne, H. R. Gallagher, R. A. Gomes, M. C. Goodman, P. Gouffon, N. Graf, R. Gran, K. Grzelak, A. Habig, S. R. Hahn, J. Hartnell, R. Hatcher, J. Hirschauer, A. Holin, J. Huang, J. Hylen, G. M. Irwin, Z. Isvan, C. James, S. R. Jefferts, D. Jensen, T. Kafka, S. M. S. Kasahara, G. Koizumi, M. Kordosky, A. Kreymer, K. Lang, J. Ling, P. J. Litchfield, P. Lucas, W. A. Mann, M. L. Marshak, D. Matsakis, N. Mayer, A. McKinley, C. McGivern, M. M. Medeiros, R. Mehdiyev, J. R. Meier, M. D. Messier, W. H. Miller, S. R. Mishra, S. Mitchell, S. Moed Sher, C. D. Moore, L. Mualem, J. Musser, D. Naples, J. K. Nelson, H. B. Newman, R. J. Nichol, J. A. Nowak, J. O'Connor, M. Orchanian, R. B. Pahlka, J. Paley, T. E. Parker, R. B. Patterson, G. Pawloski, A. Perch, S. Phan-Budd, R. K. Plunkett, N. Poonthottathil, E. Powers, X. Qiu, A. Radovic, B. Rebel, K. Ridl, S. Romisch, C. Rosenfeld, H. A. Rubin, M. C. Sanchez, J. Schneps, A. Schreckenberger, P. Schreiner, R. Sharma, A. Sousa, N. Tagg, R. L. Talaga, J. Thomas, M. A. Thomson, X. Tian, A. Timmons, S. C. Tognini, R. Toner, D. Torretta, J. Urheim, P. Vahle, B. Viren, A. Weber, R. C. Webb, C. White, L. Whitehead, L. H. Whitehead, S. G. Wojcicki, J. Wright, V. Zhang, and R. Zwaska | Precision measurement of the speed of propagation of neutrinos using the MINOS detectors | Phys. Rev. D | 92 | 052005/1-10 | 20150917 | 2788 |
| P. D. Schwindt, Y. Jau, H. L. Partner, D. K. Serkland, A. Ison, A. McCants, E. Winrow, J. Prestage, J. Kellogg, N. Yu, C. D. Boschen, I. Kosvin, D. Mailloux, D. Scherer, C. Nelson, A. Hati, and D. A. Howe | Miniature Trapped-Ion Frequency Standard with 171 Yb+ | Proc. 2015 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. | | 752-757 | 20150413 | 2799 |
| A. Hati, C. W. Nelson, and D. A. Howe | PM Noise Measurement at W-Band | IEEE T. Ultrason. Ferr. | 61 | 1961-1966 | 20141212 | 2732 |
| A. Hati, C. W. Nelson, B. Riddle and D. A. Howe | A 40 GHz Air-Dielectric Cavity Oscillator with Low Phase Modulation Noise | NCSLI Measure J. Meas. Sci. | 9 | 48-54 | 20140901 | 2729 |
| A. Hati, C. W. Nelson, and D. A. Howe | Reducing oscillator PM noise from AM-PM noise correlation | Electron. Lett. | 50 | 1195-1197 | 20140814 | 2737 |
| D. A. Howe, A. Hati and C. W. Nelson | Ultra-low Phase Noise Frequency Synthesis from Optical Atomic Frequency Standards | Proc. 2014 EFTF Conf. | | 4 p. | 20140626 | 2738 |
| C. Nelson, A. Hati, and D. Howe | Collapse of the Cross-spectral Function | Proc. 2014 IEEE Intl. Freq. Cont. Symp. | | 2 p. | 20140522 | 2725 |
| A. Hati, C. Nelson, and D. Howe | Correlation Measurements between PM and AM Noise in Oscillators | Proc. 2014 IEEE Intl. Freq. Cont. Symp. | | 3 p. | 20140522 | 2724 |
| M. A. Lombardi and G. K. Nelson | WWVB: A Half Century of Delivering Accurate Frequency and Time by Radio | J. Res. Natl. Inst. Stan. | 119 | 25-54 | 20140312 | 2702 |
| C. Nelson, A. Hati, and D. Howe | A collapse of the cross-spectral function in phase noise metrology | Rev. Sci. Instrum. | 85 | 024705-7 | 20140225 | 2697 |
| D. A. Howe, A. Hati, and C. W. Nelson | Ultra-low Phase Noise Oscillators and Synthesizers for Managing and Relieving Spectral Congestion: A Tutorial Introduction | Proc. 2013 PTTI Mtg. | | 263-264 | 20131205 | 2768 |
| C. Nelson, A. Hati, and D. Howe | Phase inversion and collapse of the cross-spectral function | Electron. Lett. | 49 | 1640-1641 | 20131205 | 2698 |
| A. Hati, C. W. Nelson, C. Barnes, D. Lirette, T. Fortier, F. Quinlan, J. A. DeSalvo, A. Ludlow, S. A. Diddams, and D. A. Howe | State-of-the-Art RF Signal Generation From Optical Frequency Division | IEEE T. Ultrason. Ferr. | 60 | 1796-1803 | 20130902 | 2646 |
| T. M. Fortier, F. Quinlan, A. Hati, C. Nelson, J. A. Taylor, Y. Fu, J. Campbell, and S. A. Diddams | Photonic microwave generation with high-power photodiodes | Opt. Lett. | 38 | 1712-1714 | 20130514 | 2665 |
| F. Quinlan, T. M. Fortier, H. Jiang, A. Hati, C. Nelson, Y. Fu, J. Campbell, and S. A. Diddams | Exploiting shot noise correlations in the photodetection of ultrashort optical pulse trains | Nat. Photonics | 7 | 290-293 | 20130310 | 2649 |
| J. A. DeSalvo, A. Hati, C. Nelson, and D. A. Howe | Phase-Noise Measurement System for the Terahertz-Band | IEEE T. Ter. Sci. Tech. | 2 | 638-641 | 20121130 | 2599 |
| A. Hati, C. W. Nelson, C. Barnes, D. Lirette, J. A. DeSalvo and D. A. Howe | Ultra-low-Noise Regenerative Frequency Divider | IEEE T. Ultrason. Ferr. | 59 | 2596-2598 | 20121111 | 2609 |
| S. Mahadevan, L. Ramsey, C. Bender, R. Terrien, J. T. Wright, S. Halverson, F. Hearty, M. Nelson, A. Burton, S. Redman, S. Osterman, S. A. Diddams, J. Kasting, and M. Endl | The Habitable-Zone Planet Finder: A Stabilized Fiber-Fed NIR Spectrograph for the Hobby-Eberly Telescope | Proc. 2012 SPIE Conf. | 8446 | 84461S-14 | 20120924 | 2639 |
| C. W. Nelson and D. A. Howe | A Sub-Sampling Digital PM/AM Noise Measurement System | NCSLI Measure J. Meas. Sci. | 7 | 70-73 | 20120901 | 2650 |
| A. Hati, C. W. Nelson, N. Ashby, and D. A. Howe | Calibration uncertainty for the NIST PM/AM noise standards | NIST Spec. Publ. 250-90 | | 33 p. | 20120731 | 2582 |
| T. M. Fortier, C. W. Nelson, A. Hati, F. Quinlan, J. Taylor, H. Jiang, C. W. Chou, T. Rosenband, N. Lemke, A. Ludlow, D. Howe, C. W. Oates and S. A. Diddams | Sub-femtosecond absolute timing jutter with a 10 GHz hybrid photonic-microwave oscillator | Appl. Phys. Lett. | 100 | 231111-3 | 20120607 | 2601 |
| T. M. Fortier, C. W. Nelson, A. Hati, F. Quinlan, J. Taylor, H. Jiang, C. W. Chou, N. Lemke, A. Ludlow, D. Howe, C. W. Oates, and S. A. Diddams | A hybrid 10 GHz photonic-microwave oscillator with sub-femtosecond absolute timing jitter | Proc. 2012 IEEE Intl. Freq. Cont. Symp. | | 763-764 | 20120524 | 2634 |
| K. J. Hughes, A. Hati, C. Nelson, and D. Howe | Vibrational Analysis of Stabilized Lasers | Proc. 2012 IEEE Intl. Freq. Cont. Symp. | | 602-605 | 20120524 | 2630 |
| C. W. Nelson and D. A. Howe | A Sub-Sampling Digital PM/AM Noise Measurement System | Proc. 2012 IEEE Intl. Freq. Cont. Symp. | | 21-24 | 20120524 | 2629 |
| D. A. Howe, A. Hati, C. W. Nelson, and D. Lirette | PM-AM Correlation Measurements and Analysis | Proc. 2012 IEEE Intl. Freq. Cont. Symp. | | 16-20 | 20120524 | 2628 |
| J. A. DeSalvo, A. Hati, C. Nelson, and D. A. Howe | Phase-Noise Measurement of a 670 GHz Source | Proc. 2012 IEEE Intl. Freq. Cont. Symp. | | 25-28 | 20120524 | 2627 |
| D. Lirette, C. Barnes, A. Hati, J. A. DeSalvo, C. W. Nelson, and D. A. Howe | Common-Arm Counter Propagating Phase Bridge for Vibration Sensitivity Measurement | Proc. 2012 IEEE Intl. Freq. Cont. Symp. | | 529-532 | 20120524 | 2626 |
| A. Hati, C. W. Nelson, C. Barnes, D. Lirette, J. A. DeSalvo, T. Fortier, F. Quinlan, A. Ludlow, T. Rosenband, S. A. Diddams, and D. A. Howe | Ultra-low-noise Regenerative Frequency Divider for High Spectral Purity RF Signal Generation | Proc. 2012 IEEE Intl. Freq. Cont. Symp. | | 625-628 | 20120524 | 2625 |
| J. Lowe, M. Deutch, G. Nelson, D. Sutton, W. Yates, P. Hansen, O. Eliezer, T. Jung, S. Morrison, Y. Liang, D. Rajan, S. Balasubramanian, A. Ramasami, and W. Khalil | New Improved System for WWVB Broadcast | Proc. 2011 PTTI Mtg. | | 163-184 | 20111114 | 2591 |
| D. A. Howe, D. Lirette, N. Ashby, A. Hati, and C. Nelson | Characterizing Dynamic Effects of Oscillator Power Cycling | Proc. 2011 PTTI Mtg. | | 353-362 | 20111114 | 2590 |
| C. W. Nelson, A. Hati, and D. A. Howe | Common-Arm Counter-Propagating Interferometer for Fiber Vibration Measurements | IEEE Photonic. Tech. L. | 23 | 1633-1635 | 20111101 | 2375 |
| C. Barnes, A. Hati, C. W. Nelson, and D. A. Howe | 5 MHz Phase Detector With Low Residual Flicker | Electron. Lett. | 47 | 2 p. | 20110915 | 2554 |
| T. Li, B. Argence, A. Haboucha, H. Jiang, J. L. Dornaux, D. Koné, A. Clairon, P. Lemonde, G. Santarelli, C. Nelson, A. Hati, and E. Burt | Low Vibration Sensitivity Fiber Spools for Laser Stabilization | Proc. 2011 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. | | 739-741 | 20110502 | 2580 |
| C. Barnes, A. Hati, C. W. Nelson, and D. A. Howe | Residual PM Noise Evaluation of Radio Frequency Mixers | Proc. 2011 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. | | 724-728 | 20110502 | 2556 |
| D. A. Howe, N. Ashby, D. Lirette, A. Hati, and C. Nelson | Limited Live-time Measurements of Frequency Spectra | Proc. 2011 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. | | 99-102 | 20110502 | 2553 |
| A. Hati, C. W. Nelson, and D. A. Howe | Vibration Sensitivity of Optical Components: A Survey | Proc. 2011 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. | | 532-535 | 20110502 | 2552 |
| J. Taylor, S. Datta, A. Hati, C. Nelson, F. Quinlan, A. Joshi, and S. A. Diddams | Characterization of Power-to-Phase Conversion in High-Speed P-I-N Photodiodes | IEEE Photonics Journal | 3 | 140-151 | 20110201 | 2494 |
| A. Hati, C. W. Nelson, B. F. Riddle, and D. A. Howe | High Spectral Purity Oscillator at 40 GHz: Design Using Air-Dielectric Cavity | Proc. 2010 IEEE Intl. Freq. Cont. Symp. | | 437-439 | 20100602 | 2468 |
| J. A. Taylor, F. Quinlan, A. Hati, C. W. Nelson, S. A. Diddams, S. Datta, and A. Joshi | Phase Noise in the Photodetection of Ultrashort Optical Pulses | Proc. 2010 IEEE Intl. Freq. Cont. Symp. | | 684-688 | 20100602 | 2465 |
| C. W. Nelson, A. Hati, J. F. Garcia-Nava, and D. A. Howe | Phase noise suppression in frequency comb generators | Proc. 2010 IEEE Intl. Freq. Cont. Symp. | | 440-442 | 20100602 | 2464 |
| A. Hati, C. W. Nelson, and D. A. Howe | Phase-lock Loops in Vibration Environments | Proc. 2009 PTTI Mtg. | | 303-312 | 20091116 | 2435 |
| A. Hati, C. W. Nelson, and D. A. Howe | Vibration-Induced PM and AM Noise in Microwave Components | IEEE T. Ultrason. | 56 | 2050-2059 | 20091001 | 2322 |
| M. A. Lombardi, A. N. Novick, J. P. Lowe, M. J. Deutch, G. K. Nelson, D. D. Sutton, W. C. Yates, and D. W. Hanson | WWVB Radio Controlled Clocks: Recommended Practices for Manufacturers and Consumers (2009 edition) | NIST Spec. Publ. 960-14 | | 68 p. | 20090908 | 2422 |
| N. Ashby and R. A. Nelson | The global positioning system, relativity, and extraterrestrial navigation | Proc. IAU Symp. | 261 | 9 p. | 20090427 | 2444 |
| A. Hati, C. W. Nelson, and D. A. Howe | Effect of Vibration on PM and AM noise of Oscillatory and Non-oscillatory Components at 10 GHz | Proc. 2009 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. | | 524-529 | 20090420 | 2371 |
| A. Hati, C. W. Nelson, and D. A. Howe | Vibration-induced PM Noise in Oscillators and its Suppression | Aerial Vehicles | Ch. 13 | 259-286 | 20090101 | 2328 |
| J. A. Taylor, C. W. Nelson, A. Hati, N. Ashby, and D. A. Howe | Residual Vibration-induced PM Noise of a Rigid Optical Fiber Spool | Proc. 2008 PTTI Mtg. | | 549-557 | 20081201 | 2343 |
| A. Hati, C. W. Nelson, J. Taylor, N. Ashby and D. A. Howe | Cancellation of Vibration-Induced Phase Noise in Optical Fibers | IEEE Photonics Tech. Lett. | 20 | 1842-1844 | 20081115 | 2119 |
| C. W. Nelson, A. Hati, and D. A. Howe | Relative Intensity Noise Suppression for RF Photonic Links | IEEE Photonics Tech. Lett. | 20 | 1542-1544 | 20080915 | 2293 |
| J. Taylor, C. W. Nelson, A. Hati, N. Ashby, and D. A. Howe | Vibration-induced PM noise measurements of a rigid optical fiber spool | Proc. 2008 IEEE Intl. Freq. Cont. Symp. | | 807-810 | 20080519 | 2310 |
| W. Zhou, O. Okusaga, C. Nelson, D. Howe, and G. Carter | 10 GHz Dual loop opto-electronic oscillator without RF-amplifiers | Proc. 2008 SPIE Conf. | 6897 | 68970Z/1-6 | 20080212 | 2908 |
| C. W. Nelson, A. Hati, D. A. Howe, and W. Zhou | Microwave Optoelectronic Oscillator with Optical Gain | Proc. 2007 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. | | 1014-1019 | 20070529 | 2250 |
| N. Ashby, D. A. Howe, J. Taylor, A. Hati, C. W. Nelson | Optical Fiber Vibration and Acceleration Model | Proc. 2007 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. | | 547-551 | 20070529 | 2240 |
| K. M. Hudek, A. Hati, D. A. Howe, C. W. Nelson and W. Zhou | Further Examination of the Injection-Locked Dual Optoelectronic Oscillator | Proc. 2007 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. | | 796-800 | 20070529 | 2239 |
| A. Hati, C. W. Nelson, D. A. Howe, N. Ashby, J. Taylor, K. M. Hudek, C. Hay, D. J. Seidel, and D. Eliyahu | Vibration sensitivity of microwave components | Proc. 2007 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. | | 541-546 | 20070529 | 2234 |
| D. A. Howe, A. Hati, C. W. Nelson, J. Taylor, and N. Ashby | Active Vibration-induced PM Noise Control in Optical Fibers: Preliminary Studies | Proc. 2007 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. | | 552-556 | 20070529 | 2233 |
| D. A. Howe, A. Sen Gupta, C. W. Nelson, and F. L. Walls | High Spectral Purity Microwave Oscillator Using Air-Dielectric Cavity | United States Patent No. 7,075,378 | | 10 p. | 20060711 | 2180 |
| H. Ascarrunz, F. L. Walls, A. Hati, C. W. Nelson, and D. A. Howe | A Regenerative Frequency Comb | Proc. 2006 IEEE Intl. Freq. Cont. Symp. | | 60-64 | 20060605 | 2168 |
| A. Hati, C. W. Nelson and D. A. Howe | Low Phase Noise Amplifier and Oscillator Using Feed-Forward Technique at 10 GHz | Proc. 2006 IEEE Intl. Freq. Cont. Symp. | | 228-232 | 20060605 | 2159 |
| A. Hati, D. A. Howe, and C. W. Nelson | Comparison of AM noise in commercial amplifiers and oscillators at X-band | Proc. 2006 IEEE Intl. Freq. Cont. Symp. | | 740-744 | 20060605 | 2158 |
| B. F. Riddle and C. W. Nelson | Impedence Control for Critically Coupled Cavities | Proc. 2005 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and PTTI | | 488-493 | 20050829 | 2123 |
| D. A. Howe, J. Lanfranchi, L. Cutsinger, A. Hati, and C. W. Nelson | Vibration-induced PM Noise in Oscillators and Measurements of Correlation with Vibration Sensors | Proc. 2005 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and PTTI | | 494-498 | 20050829 | 2103 |
| A. Hati, C. W. Nelson, J. F. Garcia Nava, D. A. Howe, F. L. Walls, H. Ascarrunz, J. Lanfranchi, and B. F. Riddle | W-band dual channel AM/PM noise measurement system - an update | Proc. 2005 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and PTTI | | 503-508 | 20050829 | 2094 |
| M. A. Lombardi, A. N. Novick, J. P. Lowe, M. Deutch, G. K. Nelson, D. Sutton, W. Yates, and D. W. Hanson | WWVB Radio Controlled Clocks: Recommended Practices for Manufacturers and Consumers | NIST Spec. Publ. 960-14 | | 64 p. | 20050101 | 1976 |
| G. K. Nelson, M. A. Lombardi, and D. T. Okayama | NIST Time and Frequency Radio Stations: WWV, WWVH, and WWVB | NIST Spec. Publ. 250-67 | | 161 p. | 20050101 | 1969 |
| C. W. Nelson, D. A. Howe and A. Sen Gupta | Ultra-low Noise Cavity Stabilized Microwave Reference Oscillator using an Air-dielectric Resonator | Proc. 2004 PTTI Mtg. | | 173-178 | 20041207 | 2007 |
| A. Sen Gupta, D. A. Howe, C. Nelson, A. Hati, F. L. Walls, and J. F. Garcia Nava | High Spectral Purity Microwave Oscillator: Design Using Conventional Air-Dielectric Cavity | IEEE T. Ultrason. Ferr. | 51 | 1225-1231 | 20041001 | 1995 |
| A. Hati, C. W. Nelson, J. F. Garcia Nava, D. A. Howe, and F. L. Walls | W-band dual channel PM/AM noise measurement system | Proc. 2004 Joint Mtg. IEEE Intl. Freq. Cont. Symp. And UFFC Conf. | | 298-302 | 20040823 | 1978 |
| J. F. Garcia Nava, A. Hati, C. W. Nelson, A. Sen Gupta, F. L. Walls, and T. N. Tasset | Parallel Configuration for Conjugate Regenerative Dividers | Proc. 2003 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. | | 1037-1041 | 20030504 | 1890 |
| A. Sen Gupta, D. A. Howe, C. W. Nelson, A. Hati, F. L. Walls and J. F. Garcia Nava | High-Spectral-Purity Microwave Oscillator: Design Using Conventional Air-Dielectric Cavity | Proc. 2003 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. | | 423-429 | 20030504 | 1887 |
| T. E. Parker, V. S. Zhang, A. McKinley, L. M. Nelson, J. Rohde, and D. Matsakis | Investigation of instabilities in two-way time transfer | Proc. 2002 PTTI Mtg. | | 381-390 | 20021203 | 1866 |
| S. Francis, B. Ramsey, S. Stein, J. Leitner, M. Moreau, R. Burns, R. A. Nelson, T. R. Bartholomew, and A. Gifford | Timekeeping and time dissemination in a distributed space-based clock ensemble | Proc. 2002 PTTI Mtg. | | 201-214 | 20021202 | 1869 |
| D. A. Howe, A. Hati, C. W. Nelson, F. L. Walls, J. F. Garcia Nava and A. Sen Gupta | Wide-Range Microwave Frequency Synthesis Using An Offset Passive Resonator | Proc. 2002 IEEE Intl. Freq. Cont. Symp. | | 584-589 | 20020528 | 1802 |
| D. A. Howe, C. W. Nelson, F. L. Walls, J. F. Garcia Nava, A. Hati, and A. Sen Gupta | A 100 GHz AM and PM Noise Measurement System: Preliminary Design and Performance | Proc. 2002 IEEE Intl. Freq. Cont. Symp. | | 690-698 | 20020528 | 1801 |
| S. R. Jefferts, J. H. Shirley, T. E. Parker, T. P. Heavner, D. M. Meekhof, C. W. Nelson, F. Levi, G. Costanzo, A. DeMarchi, R. E. Drullinger, L. Hollberg, W. D. Lee, and F. L. Walls | Accuracy evaluation of NIST-F1 | Metrologia | 39 | 321-336 | 20020101 | 1823 |
| R. A. Nelson, D. D. McCarthy, S. Malys, J. Levine, B. Guinot, H. F. Fliegel, R. L. Beard, and T. R. Bartholomew | The leap second: its history and possible future | Metrologia | 38 | 509-529 | 20011201 | 1530 |
| A. Sen Gupta, J. F. Garcia Nava, C. W. Nelson, D. A. Howe, and F. L. Walls | Microwave Synthesizers for Atomic Frequency Standards | Proc. 2001 Freq. Stand. Metrology Symp. | | 577-579 | 20010909 | 1570 |
| M. A. Lombardi, L. M. Nelson, A. N. Novick, and V. S. Zhang | Time and Frequency Measurements Using the Global Positioning System (GPS) | Cal Lab Int. J. Metrology | 8 | 26-33 | 20010801 | 1424 |
| M. Deutch, E. Farrow, J. P. Lowe, G. Nelson, D. Okayama, D. Patterson, D. Sutton, and W. Yates | NIST Time and Frequency Broadcasts from Radio Stations WWVB, WWV, and WWVH | Proc. 2001 NCSLI Conf. | | 14 p. | 20010729 | 1434 |
| J. Levine, M. A. Lombardi, L. M. Nelson, and V. S. Zhang | Technical Reference Manual for NIST Automated Computer Time Service (ACTS) | NISTIR 6611 | | 95 p. | 20010726 | 1422 |
| T. E. Parker, P. Hetzel, S. R. Jefferts, S. Weyers, L. M. Nelson, A. Bauch, and J. Levine | First Comparison of Remote Cesium Fountains | Proc. 2001 IEEE Intl. Freq. Cont. Symp. | | 63-68 | 20010604 | 1484 |
| L. M. Nelson and J. Levine | Understanding Limitations of GPS Carrier Phase Frequency Transfer on a Transatlantic Baseline | Proc. 2001 IEEE Intl. Freq. Cont. Symp. | | 205-210 | 20010604 | 1475 |
| T. E. Parker, P. Hetzel, S. R. Jefferts, S. Weyers, L. M. Nelson, A. Bauch, and J. Levine | First Comparison of Remote Cesium Fountains | Proc. 2001 EFTF Conf. | | 57-61 | 20010306 | 1457 |
| A. Sen Gupta, F. L. Walls, J. F. Garcia Nava, and C. W. Nelson | Microwave Synthesisers for Atomic Frequency Standards | Proc. 2001 ICTF Conf. | | 59-69 | 20010206 | 1464 |
| M. A. Lombardi, L. M. Nelson, A. N. Novick, and V. S. Zhang | Time and Frequency Measurements Using the Global Positioning System (GPS) | Proc. 2001 Meas. Sci. Conf. | | 10 p. | 20010125 | 1417 |
| L. M. Nelson and J. Levine | Examining GPS Carrier Phase Analysis to Evaluate the Accuracy of Frequency Transfer using Data from NIST and PTB | Proc. 2000 PTTI Mtg. | | 57-64 | 20001128 | 1428 |
| J. F. Garcia Nava, C. W. Nelson, and F. L. Walls | Cross Correlation Techniques Applied to the Measurement of PM and AM Noise in Pulsed Amplifiers | Proc. 2000 IEEE Intl. Freq. Cont. Symp. | | 506-510 | 20000606 | 1382 |
| L. M. Nelson, J. Levine, and P. Hetzel | Comparing Primary Frequency Standards at NIST and PTB | Proc. 2000 IEEE Intl. Freq. Cont. Symp. | | 622-628 | 20000606 | 1378 |
| K. M. Larson, J. Levine, L. M. Nelson, and T. E. Parker | Assessment of GPS Carrier-Phase Stability for Time-Transfer Applications | IEEE T. Ultrason. Ferr. | 47 | 484-494 | 20000301 | 1328 |
| M. Deutch, D. W. Hanson, G. Nelson, C. Snider, D. Sutton, W. Yates, P. Hansen, and B. Hopkins | WWVB Improvements: New Power from an Old Timer | Proc. 1999 PTTI Mtg. | | 523-535 | 19991207 | 1406 |
| L. M. Nelson, J. Levine, T. E. Parker, K. M. Larson, and P. Hetzel | Comparison of Atomic Frequency Standards at NIST and PTB Using Carrier-Phase GPS | Proc. 1999 PTTI Mtg. | | 449-459 | 19991207 | 1355 |
| L. M. Nelson, K. M. Larson, and J. Levine | Review of GPS Carrier-Phase and Two-Way Satellite Time Transfer Measurement Results between Schriever Air Force Base and the United States Naval Observatory | Proc. 1999 ION GPS Conf. | | 1023-1033 | 19990913 | 1338 |
| L. M. Nelson, K. M. Larson, and J. Levine | Calibration of Carrier Phase GPS Receivers | Proc. 1999 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. | | 230-234 | 19990413 | 1317 |
| W. D. Lee, C. W. Nelson, D. A. Jennings, L. O. Mullen, J. H. Shirley, F. L. Walls, R. E. Drullinger, T. E. Parker, A. Hasegawa, K. Fokuda, N. Kotake, M. Kajita, and T. Morikawa | Accuracy Evaluations and Frequency Comparison of NIST-7 and CRL-01 | Proc. 1999 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. | | 62-65 | 19990413 | 1315 |
| K. M. Larson, L. M. Nelson, J. Levine, T. Parker, and E. D. Powers | A Long-term Comparison Between GPS Carrier-Phase and Two-satellite Time Transfer | Proc. 1998 PTTI Mtg. | | 247-255 | 19981201 | 1293 |
| D. M. Meekhof, S. R. Jefferts, W. D. Lee, and C. W. Nelson | Preliminary Results from the NIST Cs Fountain Frequency Standard | IEEE CPEM 1998 Conf. Dig. | | 130-131 | 19980706 | 1450 |
| A. Hasegawa, K. Fukuda, N. Kotake, M. Kajita, T. Morikawa, W. D. Lee, C. W. Nelson, D. A. Jennings, L. O. Mullen, J. H. Shirley, and R. E. Drullinger | Development of an Improved Optically Pumped Primary Frequency Standard | IEEE CPEM 1998 Conf. Dig. | | 177-178 | 19980706 | 1449 |
| A. Hasegawa, K. Fukuda, N. Kotake, M. Kajita, T. Morikawa, W. D. Lee, C. W. Nelson, D. A. Jennings, L. O. Mullen, and J. H. Shirley | An Improved, Optically Pumped, Primary Frequency Standard: Joint Development by CRL and NIST | Proc. 1998 IEEE Intl. Freq. Cont. Symp. | | 61-63 | 19980526 | 1242 |
| S. R. Jefferts, D. M. Meekhof, L. Hollberg, R. E. Drullinger, W. D. Lee, F. L. Walls, C. W. Nelson, F. Levi, and T. E. Parker | NIST Cesium Fountain Frequency Standard: Preliminary Results | Proc. 1998 IEEE Intl. Freq. Cont. Symp. | | 2-5 | 19980526 | 1237 |
| R. Beard, I. Galysh, J. Oaks, M. Largay, P. Landis, W. Reid, M. Ehnert, R. Eisenhauer, D. W. Hanson, L. M. Nelson, A. J. Clements, J. Durden, L. Brownhill, J. Wright, C. Duffy, J. Kasik, and J. Buisson | C-and Ku-Band Two-Way Satellite Time Transfer Comparison Experiment | Proc. 1997 PTTI Mtg. | | 253-263 | 19971202 | 2366 |
| L. M. Nelson, P. Axelrad, and D. M. Etter | Adaptive Detection of Code Delay and Multipath in a Simplified GPS Signal Model | Proc. 1997 ION GPS Conf. | | 569-581 | 19970916 | 1211 |
| M. A. Weiss, V. Zhang, L. M. Nelson, V. Hanns, and M. Regalado | Delay Variations in Some GPS Timing Receivers | Proc. 1997 IEEE Intl. Freq. Cont. Symp. | | 304-312 | 19970528 | 1205 |
| J. Li, E. Ferre-Pikal, C. W. Nelson and F. L. Walls | Review of PM and AM Noise Measurement Systems | Proc. 1997 Intl. Conf. Microwave and Milli. Wave Tech. | | 197-200 | 19970303 | 1528 |
| E. S. Ferre-Pikal, F. L. Walls, and C. W. Nelson | Guidelines for Designing BJT Amplifiers with Low 1/f AM and PM Noise | IEEE T. Ultrason. Ferr. | 44 | 335-343 | 19970301 | 1139 |
| C. W. Nelson, F. L. Walls, and C. K. Boggs | Extending the Range for Precision AM Noise Measurements | Proc. 1996 IEEE Intl. Freq. Cont. Symp. | | 854-857 | 19960605 | 1156 |
| F. L. Walls, F. G. Ascarrunz, C. W. Nelson, and L. M. Nelson | Frequency Synthesis and Metrology at 10^(-17) and Beyond | Proc. 1995 Freq. Stand. Metrology Symp. | | 468-470 | 19951016 | 1095 |
| M. A. Lombardi and L. M. Nelson | Recent Improvements Made to the NIST Frequency Measurement Service | Proc. 1995 NCSL Conf. | | 793-804 | 19950716 | 1075 |
| F. L. Walls, E. S. Pikal, and C. W. Nelson | Tutorial: Fundamental Concepts and Definitions in PM and AM Noise Metrology; Discussion of Error Models for PM and AM Noise Measurements; State-of-the-Art Measurement Techniques for PM and AM Noise (3 parts) | Proc. 1994 PTTI Mtg. | | 255-279 | 19941206 | 1077 |
| L. M. Nelson, C. W. Nelson, and F. L. Walls | Relationship of AM to PM Noise in Selected RF Oscillators | IEEE T. Ultrason. Ferr. | 41 | 680-684 | 19940901 | 1015 |
| F. L. Walls, C. W. Nelson, M. Siccardi, and A. De Marchi | A New 5 and 10 MHz High Isolation Distribution Amplifier | Proc. 1994 IEEE Intl. Freq. Cont. Symp. | | 567-571 | 19940601 | 498 |
| E. S. Ferre, L. M. Nelson, F. G. Ascarrunz, and F. L. Walls | Relationship of AM to PM Noise in Selected Microwave Amplifiers, rf Oscillators, and Microwave Oscillators | Proc. 1993 ICNF Conf. | | 611-614 | 19930816 | 490 |
| L. M. Nelson and F. L. Walls | Environmental Effects In Mixers and Frequency Distribution Systems | Proc. 1992 IEEE Freq. Cont. Symp. | | 831-837 | 19920527 | 971 |
| C. W. Nelson, F. L. Walls, F. G. Ascarrunz, and P. A. Pond | Progress on Prototype Synthesizer Electronics for ^(199)Hg^+ at 40.5 GHz | Proc. 1992 IEEE Freq. Cont. Symp. | | 64-69 | 19920527 | 970 |
| F. L. Walls, L. M. Nelson, and G. R. Valdez | Designing for Frequency and Time Metrology at the 10^(-18) Level | Proc. 1992 EFTF Conf. | | 477-481 | 19920317 | 967 |
