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AuthorsTitleJournalVol No.Page Nos.Pub. DateBin No.
A. Hati, M. Pomponio, and C. NelsonUltralow PM and AM Noise Generation With an Ensemble of Phase-Coherent OscillatorsIEEE T. Ultrason. Ferr.71332-339202402013251
M. Pomponio, A. Hati, and C. NelsonUltra-Low Phase Noise Frequency Division with Array of Direct Digital SynthesizersIEEE T. Instrum. Meas.735501310/1-18202312253257
A. Hati and C. W. NelsonA Simple Optimization Method for Generating High-Purity Amplitude and Phase ModulationIEEE T. Instrum. Meas.711005009/1-9202206273168
A. Hati, M. Pomponio, C. Humiston, J. Lettang, and C. Nelson30 GHz Regenerative Frequency Divide-by-3Proc. 2022 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. 4 p.202204243164
N. V. Nardelli, T. M. Fortier, M. Pomponio, E. Baumann, C. Nelson, T. R. Schibli, and A. Hati10 GHz generation with ultra-low phase noise via the transfer oscillator techniqueAPL Photonics7026105/1-10202202083148
F. C. S. da Silva, A. B. Kos, G. E. Antonucci, J. B. Coder, C. W. Nelson, and A. HatiContinuous-capture microwave imagingNat. Commun.128 p.202106253137
N. V. Nardelli, T. M. Fortier, M. Pomponio, E. Baumann, C. Nelson, T. R. Schibli, and A. HatiTransfer Oscillator Technique for 10 GHz Generation with Ultra-Low Phase Noise < -100 dBc/Hz at 1 Hz offsetProc. 2021 Conf. Lasers and Electro-Optics 2 p.202105093166
M. Pomponio, A. Hati, and C. NelsonFPGA-based Low-Latency Digital Servo for Optical Physics ExperimentsProc. 2020 IEEE Freq. Cont. Symp. 2 p.202010223116
A. Hati and C. W. NelsonMultipath Parameter Extraction and Correction from Frequency Dependent Amplitude FadingProc. 2020 IEEE Intl. Freq. Cont. Symp. 5 p.202010223099
A. Hati and C. NelsonW-band Vibrometer for Non-contact Thermoacoustic ImagingIEEE T. Ultrason. Ferr.661536-1539201908263031
V. Gerginov, F. C. S. da Silva, A. Hati, and C. NelsonAn Atomic Sensor for Direct Detection of Weak Microwave SignalsIEEE T. Microw. Theory673485-3493201908163029
A. Hati and C. W. NelsonMultipath Mitigation from FM-AM CorrelationProc. 2019 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. 3 p.201904153055
A. Hati, C. Nelson, and D. HowePhase Modulation Noise ReducerUnited States Patent - No. 10,050,608 19 p.201808043050
A. Hati, F. C. S. daSilva, V. Gerginov, and C. W. NelsonEffect of Local Oscillator Performance on Ultra-wideband Indoor Localization SystemProc. 2018 IEEE Intl. Freq. Cont. Symp. 3 p.201805212978
A. Hati, C. W. Nelson, D. Pappas, and D. A. HowePhase noise measurements with a cryogenic power-splitter to minimize the cross-spectral collapse effectRev. Sci. Instrum.88114707/1-5201711272892
T. M. Fortier, A. Rolland, F. Quinlan, F. N. Baynes, A. J. Metcalf, A. Hati, A. Ludlow, N. Hinkley, M. Shimizu, T. Ishibashi, J. C. Campbell, and S. A. DiddamsOptically referenced broadband electronic synthesizer with 15 digits of resolutionLaser Photonic Rev.10780-790201609052785
A. Hati, C. Nelson, and D. HowePhase Modulation Noise ReducerUnited States Patent - No. 9,407,206 18 p.201608022884
A. Hati, C. W. Nelson, D. A. Howe, and C. F. M. DanielsonPower Splitter Thermal Noise Correlations in Cross-spectrum Noise MeasurementsProc. 2016 IEEE Intl. Freq. Cont. Symp. 4 p.201605092853
C. Barnes, A. Hati, C. Nelson, and D. HowePractical Evaluation of a 50 km Fiber Link Utilizing a Commercial ModemProc. 2016 IEEE Intl. Freq. Cont. Symp. 4 p.201605092851
A. Hati, C. W. Nelson, and D. A. HoweMeasurement of AM-to-PM Conversion in a Quartz-MEMS ResonatorProc. 2016 IEEE Intl. Freq. Cont. Symp. 4 p.201605092847
C. W. Nelson, A. Hati, and D. A. HoweCross-spectral Collapse from Anti-correlated Thermal Noise in Power SplittersProc. 2016 EFTF Conf. 4 p.201604042844
A. Hati, C. W. Nelson, and D. A. HoweOscillator PM Noise Reduction from Correlated AM NoiseIEEE T. Ultrason. Ferr.63463-469201603112789
A. Hati, C. W. Nelson, and D. A. HoweCross-spectrum measurement of thermal-noise limited oscillatorsRev. Sci. Instrum.87034708/1-8201603012828
D. A. Howe, A. Hati, C. W. Nelson, and L. Nugent-GlandorfOptical-to-RF Frequency Synthesis: Application Priorities for Ultra-low Phase NoiseFrontiers in Optics 2015 3 p.201510182786
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. HoweMiniature Trapped-Ion Frequency Standard with 171 Yb+Proc. 2015 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. 752-757201504132799
A. Hati, C. W. Nelson, and D. A. HowePM Noise Measurement at W-BandIEEE T. Ultrason. Ferr.611961-1966201412122732
X. Luan, Y. Huang, Y. Li, J. F. McMillan, J. Zheng, S. Huang, P. Hsieh, T. Gu, D. Wang, A. Hati, D. A. Howe, G. Wen, M. Yu, G. Lo, D. Kwong, and C. W. WongAn integrated low phase noise radiation-pressure-driven optomechanical oscillator chipsetNature Sci. Rep.41-7201410302798
A. Hati, C. W. Nelson, B. Riddle and D. A. HoweA 40 GHz Air-Dielectric Cavity Oscillator with Low Phase Modulation NoiseNCSLI Measure J. Meas. Sci.948-54201409012729
A. Hati, C. W. Nelson, and D. A. HoweReducing oscillator PM noise from AM-PM noise correlationElectron. Lett.501195-1197201408142737
D. A. Howe, A. Hati and C. W. NelsonUltra-low Phase Noise Frequency Synthesis from Optical Atomic Frequency StandardsProc. 2014 EFTF Conf. 4 p.201406262738
Y. Huang, X. Luan, Y. Li, J. F. McMillan, D. Wang, A. Hati, D. A. Howe, M. Yu, G. Lo, D. Kwong, and C. W. WongA fully integrated chip-scale optomechanical oscillatorProc. 2014 Conf. Lasers and Electro-Optics 2 p.201406142800
C. Nelson, A. Hati, and D. HoweCollapse of the Cross-spectral FunctionProc. 2014 IEEE Intl. Freq. Cont. Symp. 2 p.201405222725
A. Hati, C. Nelson, and D. HoweCorrelation Measurements between PM and AM Noise in OscillatorsProc. 2014 IEEE Intl. Freq. Cont. Symp. 3 p.201405222724
L. C. Sinclair, I. Coddington, W. C. Swann, G. B. Rieker, A. Hati, K. Iwakuni, and N. R. NewburyOperation of an optically coherent frequency comb outside the metrology labOpt. Express226996-7006201403182801
C. Nelson, A. Hati, and D. HoweA collapse of the cross-spectral function in phase noise metrologyRev. Sci. Instrum.85024705-7201402252697
D. A. Howe, A. Hati, and C. W. NelsonUltra-low Phase Noise Oscillators and Synthesizers for Managing and Relieving Spectral Congestion: A Tutorial IntroductionProc. 2013 PTTI Mtg. 263-264201312052768
C. Nelson, A. Hati, and D. HowePhase inversion and collapse of the cross-spectral functionElectron. Lett.491640-1641201312052698
A. Hati, C. W. Nelson, C. Barnes, D. Lirette, T. Fortier, F. Quinlan, J. A. DeSalvo, A. Ludlow, S. A. Diddams, and D. A. HoweState-of-the-Art RF Signal Generation From Optical Frequency DivisionIEEE T. Ultrason. Ferr.601796-1803201309022646
T. M. Fortier, F. Quinlan, A. Hati, C. Nelson, J. A. Taylor, Y. Fu, J. Campbell, and S. A. DiddamsPhotonic microwave generation with high-power photodiodesOpt. Lett.381712-1714201305142665
J. Zheng, Y. Li, N. Goldberg, M. McDonald, X. Luan, A. Hati, M. Lu, S. Strauf, T. Zelevinsky, D. A. Howe, and C. W. WongFeedback and harmonic locking of slot-type optomechanical oscillators to external low-noise reference clocksAppl. Phys. Lett.102141117-4201304122802
F. Quinlan, T. M. Fortier, H. Jiang, A. Hati, C. Nelson, Y. Fu, J. Campbell, and S. A. DiddamsExploiting shot noise correlations in the photodetection of ultrashort optical pulse trainsNat. Photonics7290-293201303102649
J. A. DeSalvo, A. Hati, C. Nelson, and D. A. HowePhase-Noise Measurement System for the Terahertz-BandIEEE T. Ter. Sci. Tech.2638-641201211302599
A. Hati, C. W. Nelson, C. Barnes, D. Lirette, J. A. DeSalvo and D. A. HoweUltra-low-Noise Regenerative Frequency DividerIEEE T. Ultrason. Ferr.592596-2598201211112609
A. Hati, C. W. Nelson, N. Ashby, and D. A. HoweCalibration uncertainty for the NIST PM/AM noise standardsNIST Spec. Publ. 250-90 33 p.201207312582
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. DiddamsSub-femtosecond absolute timing jutter with a 10 GHz hybrid photonic-microwave oscillatorAppl. Phys. Lett.100231111-3201206072601
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. DiddamsA hybrid 10 GHz photonic-microwave oscillator with sub-femtosecond absolute timing jitterProc. 2012 IEEE Intl. Freq. Cont. Symp. 763-764201205242634
K. J. Hughes, A. Hati, C. Nelson, and D. HoweVibrational Analysis of Stabilized LasersProc. 2012 IEEE Intl. Freq. Cont. Symp. 602-605201205242630
D. A. Howe, A. Hati, C. W. Nelson, and D. LirettePM-AM Correlation Measurements and AnalysisProc. 2012 IEEE Intl. Freq. Cont. Symp. 16-20201205242628
J. A. DeSalvo, A. Hati, C. Nelson, and D. A. HowePhase-Noise Measurement of a 670 GHz SourceProc. 2012 IEEE Intl. Freq. Cont. Symp. 25-28201205242627
D. Lirette, C. Barnes, A. Hati, J. A. DeSalvo, C. W. Nelson, and D. A. HoweCommon-Arm Counter Propagating Phase Bridge for Vibration Sensitivity MeasurementProc. 2012 IEEE Intl. Freq. Cont. Symp. 529-532201205242626
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. HoweUltra-low-noise Regenerative Frequency Divider for High Spectral Purity RF Signal GenerationProc. 2012 IEEE Intl. Freq. Cont. Symp. 625-628201205242625
D. A. Howe, D. Lirette, N. Ashby, A. Hati, and C. NelsonCharacterizing Dynamic Effects of Oscillator Power CyclingProc. 2011 PTTI Mtg. 353-362201111142590
C. W. Nelson, A. Hati, and D. A. HoweCommon-Arm Counter-Propagating Interferometer for Fiber Vibration MeasurementsIEEE Photonic. Tech. L.231633-1635201111012375
C. Barnes, A. Hati, C. W. Nelson, and D. A. Howe5 MHz Phase Detector With Low Residual FlickerElectron. Lett.472 p.201109152554
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. BurtLow Vibration Sensitivity Fiber Spools for Laser StabilizationProc. 2011 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. 739-741201105022580
C. Barnes, A. Hati, C. W. Nelson, and D. A. HoweResidual PM Noise Evaluation of Radio Frequency MixersProc. 2011 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. 724-728201105022556
D. A. Howe, N. Ashby, D. Lirette, A. Hati, and C. NelsonLimited Live-time Measurements of Frequency SpectraProc. 2011 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. 99-102201105022553
A. Hati, C. W. Nelson, and D. A. HoweVibration Sensitivity of Optical Components: A SurveyProc. 2011 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. 532-535201105022552
J. Taylor, S. Datta, A. Hati, C. Nelson, F. Quinlan, A. Joshi, and S. A. DiddamsCharacterization of Power-to-Phase Conversion in High-Speed P-I-N PhotodiodesIEEE Photonics Journal3140-151201102012494
A. Hati, C. W. Nelson, B. F. Riddle, and D. A. HoweHigh Spectral Purity Oscillator at 40 GHz: Design Using Air-Dielectric CavityProc. 2010 IEEE Intl. Freq. Cont. Symp. 437-439201006022468
J. A. Taylor, F. Quinlan, A. Hati, C. W. Nelson, S. A. Diddams, S. Datta, and A. JoshiPhase Noise in the Photodetection of Ultrashort Optical PulsesProc. 2010 IEEE Intl. Freq. Cont. Symp. 684-688201006022465
C. W. Nelson, A. Hati, J. F. Garcia-Nava, and D. A. HowePhase noise suppression in frequency comb generatorsProc. 2010 IEEE Intl. Freq. Cont. Symp. 440-442201006022464
A. Hati, C. W. Nelson, and D. A. HowePhase-lock Loops in Vibration EnvironmentsProc. 2009 PTTI Mtg. 303-312200911162435
A. Hati, C. W. Nelson, and D. A. HoweVibration-Induced PM and AM Noise in Microwave ComponentsIEEE T. Ultrason.562050-2059200910012322
A. Hati, C. W. Nelson, and D. A. HoweEffect of Vibration on PM and AM noise of Oscillatory and Non-oscillatory Components at 10 GHzProc. 2009 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. 524-529200904202371
A. Hati, C. W. Nelson, and D. A. HoweVibration-induced PM Noise in Oscillators and its SuppressionAerial VehiclesCh. 13259-286200901012328
J. A. Taylor, C. W. Nelson, A. Hati, N. Ashby, and D. A. HoweResidual Vibration-induced PM Noise of a Rigid Optical Fiber SpoolProc. 2008 PTTI Mtg. 549-557200812012343
A. Hati, C. W. Nelson, J. Taylor, N. Ashby and D. A. HoweCancellation of Vibration-Induced Phase Noise in Optical FibersIEEE Photonics Tech. Lett.201842-1844200811152119
C. W. Nelson, A. Hati, and D. A. HoweRelative Intensity Noise Suppression for RF Photonic LinksIEEE Photonics Tech. Lett.201542-1544200809152293
J. Taylor, C. W. Nelson, A. Hati, N. Ashby, and D. A. HoweVibration-induced PM noise measurements of a rigid optical fiber spoolProc. 2008 IEEE Intl. Freq. Cont. Symp. 807-810200805192310
C. W. Nelson, A. Hati, D. A. Howe, and W. ZhouMicrowave Optoelectronic Oscillator with Optical GainProc. 2007 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. 1014-1019200705292250
N. Ashby, D. A. Howe, J. Taylor, A. Hati, C. W. NelsonOptical Fiber Vibration and Acceleration ModelProc. 2007 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. 547-551200705292240
K. M. Hudek, A. Hati, D. A. Howe, C. W. Nelson and W. ZhouFurther Examination of the Injection-Locked Dual Optoelectronic OscillatorProc. 2007 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. 796-800200705292239
A. Hati, C. W. Nelson, D. A. Howe, N. Ashby, J. Taylor, K. M. Hudek, C. Hay, D. J. Seidel, and D. EliyahuVibration sensitivity of microwave componentsProc. 2007 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. 541-546200705292234
D. A. Howe, A. Hati, C. W. Nelson, J. Taylor, and N. AshbyActive Vibration-induced PM Noise Control in Optical Fibers: Preliminary StudiesProc. 2007 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. 552-556200705292233
A. Hati, D. A. Howe, F. L. Walls, and D. WalkerMerits of PM Noise Measurement Over Noise Figure: A Study at Microwave FrequenciesIEEE T. Ultrason.531889-1894200610012110
H. Ascarrunz, F. L. Walls, A. Hati, C. W. Nelson, and D. A. HoweA Regenerative Frequency CombProc. 2006 IEEE Intl. Freq. Cont. Symp. 60-64200606052168
A. Hati, C. W. Nelson and D. A. HoweLow Phase Noise Amplifier and Oscillator Using Feed-Forward Technique at 10 GHzProc. 2006 IEEE Intl. Freq. Cont. Symp. 228-232200606052159
A. Hati, D. A. Howe, and C. W. NelsonComparison of AM noise in commercial amplifiers and oscillators at X-bandProc. 2006 IEEE Intl. Freq. Cont. Symp. 740-744200606052158
D. A. Howe, J. Lanfranchi, L. Cutsinger, A. Hati, and C. W. NelsonVibration-induced PM Noise in Oscillators and Measurements of Correlation with Vibration SensorsProc. 2005 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and PTTI 494-498200508292103
D. A. Howe and A. HatiLow-noise X-band Oscillator and Amplifier Technologies: Comparison and StatusProc. 2005 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and PTTI 481-487200508292097
A. Hati, C. W. Nelson, J. F. Garcia Nava, D. A. Howe, F. L. Walls, H. Ascarrunz, J. Lanfranchi, and B. F. RiddleW-band dual channel AM/PM noise measurement system - an updateProc. 2005 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and PTTI 503-508200508292094
A. Sen Gupta, D. A. Howe, C. Nelson, A. Hati, F. L. Walls, and J. F. Garcia NavaHigh Spectral Purity Microwave Oscillator: Design Using Conventional Air-Dielectric CavityIEEE T. Ultrason. Ferr.511225-1231200410011995
A. Hati, C. W. Nelson, J. F. Garcia Nava, D. A. Howe, and F. L. WallsW-band dual channel PM/AM noise measurement systemProc. 2004 Joint Mtg. IEEE Intl. Freq. Cont. Symp. And UFFC Conf. 298-302200408231978
A. Hati, D. A. Howe, F. L. Walls, and D. WalkerNoise Figure vs. PM Noise Measurements: A Study at Microwave FrequenciesProc. 2003 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. 516-520200305041893
J. F. Garcia Nava, A. Hati, C. W. Nelson, A. Sen Gupta, F. L. Walls, and T. N. TassetParallel Configuration for Conjugate Regenerative DividersProc. 2003 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. 1037-1041200305041890
A. Sen Gupta, D. A. Howe, C. W. Nelson, A. Hati, F. L. Walls and J. F. Garcia NavaHigh-Spectral-Purity Microwave Oscillator: Design Using Conventional Air-Dielectric CavityProc. 2003 Joint Mtg. IEEE Intl. Freq. Cont. Symp. and EFTF Conf. 423-429200305041887
D. A. Howe, A. Hati, C. W. Nelson, F. L. Walls, J. F. Garcia Nava and A. Sen GuptaWide-Range Microwave Frequency Synthesis Using An Offset Passive ResonatorProc. 2002 IEEE Intl. Freq. Cont. Symp. 584-589200205281802
D. A. Howe, C. W. Nelson, F. L. Walls, J. F. Garcia Nava, A. Hati, and A. Sen GuptaA 100 GHz AM and PM Noise Measurement System: Preliminary Design and PerformanceProc. 2002 IEEE Intl. Freq. Cont. Symp. 690-698200205281801

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