Improved stabilization of a 1.3 μm femtosecond optical frequency comb by use of a spectrally tailored continuum from a nonlinear fiber grating

K. Kim, S. A. Diddams, P. S. Westbrook, J. W. Nicholson, K. S. Feder

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

We report significant enhancement (+24 dB) of the optical beat note between a 657 nm cw laser and the second-harmonic generation of the tailored continuum at 1314 nm generated with a femtosecond Cr:forsterite laser and a nonlinear fiber Bragg grating. The same continuum is used to stabilize the carrier-envelope offset frequency of the Cr:forsterite femtosecond laser and permits improved optical stabilization of the frequency comb from 1.0 to 2.2 μm. Using a common optical reference at 657 nm, a relative fractional frequency instability of 2.0×10-15 is achieved between the repetition rates of Cr:forsterite and Ti:sapphire laser systems in 10 s averaging time. The fractional frequency offset between the optically stabilized frequency combs of the Cr:forsterite and Ti:sapphire lasers is ±(0.024±6.1) × 10-17.

Original languageEnglish
Pages (from-to)277-279
Number of pages3
JournalOptics Letters
Volume31
Issue number2
DOIs
Publication statusPublished - 2006 Jan 15

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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