Membrane III-V/Si DFB laser with width modulated silicon waveguide for narrowing linewDTH

Takuma Aihara, Tatsurou Hiraki, Takuro Fujii, Koji Takeda, Tai Tsuchizawa, Takaaki Kakitsuka, Shinji Matsuo

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We demonstrate a membrane laser using an InP-based active region combined with a 220-nm-thick Si waveguide, where the Si waveguide width at the middle of the cavity is wider. The laser with a 500-µm long cavity exhibits a 3.3-mA threshold current and ~300-kHz Lorentzian linewidth.

Original languageEnglish
Title of host publicationIET Conference Publications
PublisherInstitution of Engineering and Technology
EditionCP765
ISBN (Electronic)9781839530074, 9781839530661, 9781839530883, 9781839530890, 9781839531071, 9781839531088, 9781839531255, 9781839531705, 9781839531859
Publication statusPublished - 2019
Externally publishedYes
Event45th European Conference on Optical Communication, ECOC 2019 - Dublin, Ireland
Duration: 2019 Sep 222019 Sep 26

Publication series

NameIET Conference Publications
NumberCP765
Volume2019

Conference

Conference45th European Conference on Optical Communication, ECOC 2019
CountryIreland
CityDublin
Period19/9/2219/9/26

Keywords

  • Heterogeneous integration
  • Laser
  • Silicon photonics

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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