295 mW output, frequency-stabilized erbium silica fiber laser with a linewidth of 5 kHz and a RIN of -120 dB/Hz

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Abstract

We demonstrate the frequency stabilization of a high output power, erbium silica fiber laser by utilizing a 13C2H2 (acetylene) absorption line at 1538.8 nm and a H13C14N (hydrogen cyanide) absorption line at 1549.73 nm. We introduced a novel short ring cavity configuration and pump power feedback control to suppress the intensity noise of the laser output, which is caused by the relaxation oscillation of erbium ions. As a result, we succeeded in simultaneously obtaining a stable single-frequency oscillation with an output power of over 290 mW, a linewidth of 5 kHz, and a low relative intensity noise (RIN) of -120 dB/Hz. The frequency stabilities reached 2.8 × 10-11 and 6.9 × 10-11 for an integration time of 1 s with a 13C2H2 and a H13C14N absorption line, respectively.

Original languageEnglish
Pages (from-to)2737-2748
Number of pages12
JournalOptics Express
Volume24
Issue number3
DOIs
Publication statusPublished - 2016 Feb 8

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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