Performance improvement of optical negative feedback laser by reducing feedback loop length

Shota Sato, Genta Aizawa, Nobuhide Yokota, Hiroshi Yasaka

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The Optical path length of an input/output optical waveguide in a Si ring filter is reduced to shorten the feedback loop length of an optical negative feedback laser. Thanks to the increase in phase margin in the optical negative feedback system, the spectral linewidth of a single-mode semiconductor laser can be reduced to 99.8 kHz.

Original languageEnglish
JournalIEICE Electronics Express
Volume17
Issue number4
DOIs
Publication statusPublished - 2020

Keywords

  • Integration
  • Negative feedback
  • Semiconductor laser
  • Si filter
  • Spectral linewidth

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Fingerprint

Dive into the research topics of 'Performance improvement of optical negative feedback laser by reducing feedback loop length'. Together they form a unique fingerprint.

Cite this