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Optical frequency comb generation using femtosecond fiber laser and two types of optical fibers
Author(s): T. Uehara; K. Tsuji
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Paper Abstract

We pursue locking of optical frequency comb for absolute frequency measurement. For the purpose, the characteristics of frequency comb are measured. At first, the characteristics in the fs pulse laser are measured by an autocorrelation technique. Second, the frequency stability of the reputation rate of an optical frequency comb based on a mode-locked fiber laser is measured. The repetition frequency is locked to a frequency generated from a synthesizer, which is referred to a Rubidium frequency standard. The stability was 3 Hz at averaging time of 1 s under locking. The best stability was better than 0.3 mHz at averaging time of 100 s. Finally, the wavelength spectrum of the pulse laser is broadened using self-phase modulation in highly nonlinear fibers. The spectrum bandwidth was broadened to 824 nm.

Paper Details

Date Published: 7 March 2019
PDF: 7 pages
Proc. SPIE 10897, Fiber Lasers XVI: Technology and Systems, 1089726 (7 March 2019); doi: 10.1117/12.2501755
Show Author Affiliations
T. Uehara, National Defense Academy (Japan)
Univ. of Florida (United States)
K. Tsuji, National Defense Academy (Japan)

Published in SPIE Proceedings Vol. 10897:
Fiber Lasers XVI: Technology and Systems
Adrian L. Carter; Liang Dong, Editor(s)

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