Tunable Amplification Properties of Distributed Feedback Laser Diodes

Koji Kikushima, Kiyoshi Nawata, Masafumi Koga

研究成果: ジャーナルへの寄稿学術論文査読

16 被引用数 (Scopus)

抄録

This paper describes the tunable amplification properties of a distributed feedback laser diode (DFB-LD), and determines its performance as an optical filter, its tuning range, amplification gain, crosstalk due to submodes, and signal-to-noise ratio. To achieve maximum amplification with the least noise, the DFB-LD injection current is held at or near the threshold value by feedback from an optical detector. The resonant wavelength is precisely controlled over a range of 2.0 nm (254 GHz) by varying the temperature of the DFB-LD, while at the same time the injection current is kept at the optimum value by the above feedback system. By exploiting the tunable amplification properties of DFB-LD, an optical tunable filter was experimentally confirmed.

本文言語英語
ページ(範囲)163-170
ページ数8
ジャーナルIEEE Journal of Quantum Electronics
25
2
DOI
出版ステータス出版済み - 1989/02

ASJC Scopus 主題領域

  • 原子分子物理学および光学
  • 凝縮系物理学
  • 電子工学および電気工学

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