8 kHz linewidth, 50 mW output, full C-band wavelength tunable DFB LD array with self-optical feedback

Keisuke Kasai, Masataka Nakazawa, Mitsuteru Ishikawa, Hiroyuki Ishii

研究成果: Article査読

9 被引用数 (Scopus)

抄録

We describe a 1.5 μm, narrow linewidth, high output power wavelength tunable LD that employs a self-optical feedback circuit. By incorporating an optical circulator-based feedback circuit in a DFB LD array, we have successfully reduced the oscillation linewidth from several MHz to less than 8 kHz over the full C-band range. A high output power of approximately 50 mW and a low relative intensity noise of less than −130 dB/Hz were simultaneously achieved. Furthermore, by employing a partial reflection mirror as a self-optical feedback circuit, we have also realized a full C-band wavelength tunable LD with a linewidth of less than 11 kHz and a simple laser configuration.

本文言語English
ページ(範囲)5675-5685
ページ数11
ジャーナルOptics Express
26
5
DOI
出版ステータスPublished - 2018 3 5

ASJC Scopus subject areas

  • 原子分子物理学および光学

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