Direct link between microwave and optical frequencies with a 300 THz femtosecond laser comb RID C-3312-2011 RID B-4974-2009

TitleDirect link between microwave and optical frequencies with a 300 THz femtosecond laser comb RID C-3312-2011 RID B-4974-2009
Publication TypeJournal Article
Year of Publication2000
AuthorsDiddams, S. A., D. J. Jones, J. Ye, S. T. Cundiff, J. L. Hall, J. K. Ranka, R. S. Windeler, R. Holzwarth, T. Udem, and TW Hansch
JournalPhysical Review Letters
Volume84
Issue22
Pagination5102 - 5105
Date Published2000/05/29/
ISBN Number0031-9007
Keywordsmode-locked laser, realization, transition
AbstractWe demonstrate a great simplification in the long-standing problem of measuring optical frequencies in terms of the cesium primary standard. An air-silica microstructure optical fiber broadens the frequency comb of a femtosecond laser to span the optical octave from 1064 to 532 nm, enabling us to measure the 282 THz frequency of an iodine-stabilized Nd:YAG laser directly in terms of the microwave frequency that controls the comb spacing. Additional measurements of established optical frequencies at 633 and 778 nm using the same femtosecond comb confirm the accepted uncertainties for these standards.
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