Long-term measurement of optical frequencies using a simple, robust and low-noise fiber based frequency comb

Hajime Inaba, Yuta Daimon, Feng Lei Hong, Atsushi Onae, Kaoru Minoshima, Thomas R. Schibli, Hirokazu Matsumoto, Masaaki Hirano, Toshiaki Okuno, Masashi Onishi, Masataka Nakazawa

Research output: Contribution to journalArticlepeer-review

172 Citations (Scopus)

Abstract

We have developed a fiber-based frequency comb system consisting of a simple mode-locked fiber laser and a backward pumping amplifier combined with a highly nonlinear fiber with a short zero-dispersion wavelength. As a result, the signal to noise ratio of the obtained carrier-envelope-offset frequency beat is larger than 45 dB at a bandwidth of 100 kHz. Furthermore, we have succeeded in measuring the optical frequencies of a 1542-nm acetylene-stabilized laser and a 532-nm iodine-stabilized Nd:YAG laser continuously for more than one week using the fiber-based comb system. The long-term measurement revealed that the frequency stability of the iodine-stabilized laser was 5.7 × 10 -15 with 100 000 s averaging.

Original languageEnglish
Pages (from-to)5223-5231
Number of pages9
JournalOptics Express
Volume14
Issue number12
DOIs
Publication statusPublished - 2006 Jan 1

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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