• April 9, 2007 Deleted old material. Added content from 2006 Workshop.
• November 3, 2006 New staff photo.
• July 29, 2005 More publications added.
  
• May 2, 2005 New staff photo.
• October 13, 2004 Added poster on The Mercury-Ion Optical Clock.
• June 1, 2004 Added poster on Dense Coding and Microfabricated Ion Traps.
• March 31, 2004 New staff photo. More publications added.
• June 9, 2003 More publications added.
  
• August 13, 2002 Entire contents of reprint volumes 1-4 are available as PDF files.
• July 29, 2002 Major change to publications pages. Publications are available only in PDF format. Many publications which were previously available only in preprint form are now available in final form. Tables of Contents of reprint volumes are available as PDF files.
• December 3, 2001 Added website for SQuInT '02 meeting.
• July 12, 2001 Added PDF file of David Kielpinski's Ph. D. thesis.
  
• March 7, 2001 Added several downloadable publications.
  
• February 12, 2001 Added downloadable publication:
  B.M. Jelenkovic, J.J. Bollinger, A.B. Newbury, T.B. Mitchell, and W.M. Itano, "A laser-cooled positron plasma."
  
• January 5, 2001 Added downloadable publication:
  Th. Udem, S.A. Diddams, K.R. Vogel, C.W. Oates, E.A. Curtis, W.D. Lee, W.M. Itano, R.E. Drullinger, J.C. Bergquist, and L. Hollberg, "Absolute frequency measurements of the Hg⁺ and Ca optical clock transitions with a femtosecond laser."
  
• November 13, 2000 Updated staff photograph
  
• October 24, 2000 Added downloadable publication:
  W.M. Itano, "External-field shifts of the ¹⁹⁹Hg⁺ optical frequency standard."
  
• August 18, 2000 Added downloadable publication:
  K.R. Vogel, S.A. Diddams, C.W. Oates, E.A. Curtis, R.J. Rafac, J.C. Bergquist, R.W. Fox, W.D. Lee, and L. Hollberg, "Direct comparison between two cold-atom-based optical frequency standards using a femtosecond-laser comb."
  
• July 17, 2000 Added several more new downloadable publications.
• July 14, 2000 Various minor changes to improve accessibility, including ALT tags for all images. Added several new downloadable publications.
• July 11, 2000 Major update to entire Time and Frequency Division website. Changes to Ion Storage Group section are mostly to format, not content.
• March 17, 2000 Updated publication lists
  
• March 13, 2000 Updated staff contact information
  
• October 29, 1999 Improved searchable database of Time and Frequency Division publications
  
• September 25, 1998 Added downloadable publication:
  T.B. Mitchell, J.J. Bollinger, X.-P. Huang, and W.M. Itano, "Mode and transport studies of laser-cooled ion plasmas in a Penning trap."
  
• September 18, 1998 Added downloadable publication:
  J.J. Bollinger, T.B. Mitchell, X.-P. Huang, W.M. Itano, J.N. Tan, B. Jelenkovic, and D.J. Wineland, "Crystalline order in strongly coupled plasmas."
  
• September 10, 1998 Added downloadable publication:
  D. J. Wineland, C. Monroe, W. M. Itano, D. Kielpinski, B. E. King, C. J. Myatt, Q. A. Turchette, and C. S. Wood, "Quantum Computation, Spectroscopy of Trapped Ions, and Schrödinger's Cat."
  
• July 27, 1998 Added link to final version of D.J. Wineland, C. Monroe, W.M. Itano, D. Leibfried, B. King, and D.M. Meekhof, "Experimental issues in coherent quantum-state manipulation of trapped atomic ions," Journal of Research of the National Institute of Standards and Technology.
  
• June 5, 1998 Updated downloadable publication (Note title change.):
  B.E. King, C.J. Myatt, Q.A. Turchette, D. Leibfried, W.M. Itano, C. Monroe, and D.J. Wineland, "Cooling the collective motion of trapped ions to initialize a quantum register."
  
• June 4, 1998 Added downloadable publication:
  Q.A. Turchette, C.S. Wood, B.E. King, C.J. Myatt, D. Leibfried, W.M. Itano, C.Monroe, and D.J. Wineland, "Deterministic entanglement of two trapped ions."
  
• May 24 13, 1998 New staff photograph.
  
• March 13, 1998 Added downloadable publication:
  B.E. King, C.J. Myatt, Q.A. Turchette, D. Leibfried, W.M. Itano, C. Monroe, and D.J. Wineland, "Initializing the collective motion of trapped ions for quantum logic."
  
• February 24, 1998 Updated downloadable publication:
  D.J. Wineland, C. Monroe, W.M. Itano, D. Leibfried, B. King, and D.M. Meekhof, "Experimental issues in coherent quantum-state manipulation of trapped atomic ions," Journal of Research of the National Institute of Standards and Technology.
  
• February 20, 1998 Added downloadable publication:
  D.J. Berkeland, J.D. Miller, B.C. Young, J.C. Bergquist, W.M. Itano, and D.J. Wineland, "High-accuracy frequency standards using laser-cooled Hg⁺ ions," Methods for Ultrasensitive detection, edited by B.L. Fearey, SPIE Conf. Proc. 3270.
• February 19, 1998 Added two downloadable publications:
  
  • T.B. Mitchell, J.J. Bollinger, X.-P. Huang, and W.M. Itano, "Doppler imaging of plasma modes in a Penning trap," Optics Express.
    Optics Express is an all-electronic, multimedia publication of the Optical Society of America. This article includes 3 Quicktime movie files.
  • W.M. Itano, J.J. Bollinger, J.N. Tan, B. Jelenkovic, X.-P. Huang, and D.J. Wineland, "Bragg diffraction from crystallized ion plasmas," Science 279, 686-689 (1998).
• November 24, 1997 Added several downloadable publications:
  
  • D.J. Berkeland, J.D. Miller, J.C. Bergquist, W.M. Itano, and D.J. Wineland, "Minimization of ion micromotion in a Paul trap."
  • D.J. Berkeland, J.D. Miller, J.C. Bergquist, W.M. Itano, and D.J. Wineland, "Laser-cooled mercury ion trap frequency standard."
  • W.M. Itano, J.C. Bergquist, J.J. Bollinger, D.J. Wineland, U. Eichmann, and M.G. Raizen, "Complementarity and Young's interference fringes from two atoms."
• November 13, 1997Added downloadable publication:
  X.-P. Huang, J.J. Bollinger, T.B. Mitchell, W.M. Itano, and D.H.E. Dubin, "Precise control of the global rotation of strongly coupled ion plasmas in a Penning trap."
  
• October 13, 1997 Updated the article Installing free PostScript and PDF viewers again to include new file names and links.
• September 17, 1997 Added downloadable publication on Penning traps and nonneutral plasmas:
  
  • X.-P. Huang, J.J. Bollinger, T.B. Mitchell, and W.M. Itano, "Phase-locked rotation of crystallized non-neutral plasmas by rotating electric fields."
• July 14, 1997 Updated the article Installing free PostScript and PDF viewers to include new file names and links.
• May 13, 1997 Updated the Quantum Logic and Coherent Control publications list.
• May 6, 1997 Added announcement of Workshop on Nonneutral Plasmas. (Removed November 7, 1997.)
• April 29, 1997 Added some help on Installing free PostScript and PDF viewers.
• April 28, 1997 Added new Penning trap references to list.
• April 3, 1997 Added link to Time and Frequency Division publications database.
• February 26, 1997 Added noncompressed PostScript versions of publications. Changed suffix of gzipped PostScript files from .psz to .ps.gz, to conform to the usual standard.
• February 21, 1997 Added "What's New" page (this page). Added "General and miscellaneous publications" list. Added several downloadable publications:
  
  • D.J. Berkeland, J.D. Miller, F.C. Cruz and J.C. Bergquist, W.M. Itano, and D.J. Wineland, "High-accuracy microwave and optical frequency standards in cryogenic linear ion traps," in Proc. Workshop on the Scientific Applications of Clocks in Space, 1996, Jet Propulsion Laboratory.
  • W.M. Itano, C. Monroe, D.M. Meekhof, D. Leibfried, B.E. King, and D.J. Wineland, "Quantum harmonic oscillator state synthesis and analysis," in Atom Optics, Proc. SPIE 2995.
  • W.M. Itano, D.J. Heinzen, J.J. Bollinger, and D.J. Wineland, "Quantum Zeno effect," Phys. Rev. A 41, 2295 (1990).
• February 14, 1997 Ion Storage Group Website made accessible to public.

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