Mode separation control of few-mode quantum dot lasers by using a multistep etalon filter

Kouichi Akahane, Masaki Inui, Ryuji Sakamoto, Shingo Nakane, Masaru Iwao, Toshimasa Umezawa, Atsushi Matsumoto, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi, Hideyuki Sotobayashi

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

Abstract

Semiconductor quantum dots can be used for an optical gain-chip in an external cavity to construct a stable two- or few-mode laser. In this study, we demonstrate wide-range mode separation control of a few-mode laser by using a multistep etalon filter. Since the precise control of multistep thickness in one etalon plate was achieved, the frequency separation of the few-mode laser can be changed by choosing the etalon position. We can change the frequency separation from 83 to 104 GHz by using this method.

Original languageEnglish
Title of host publication2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017
PublisherIEEE Computer Society
ISBN (Electronic)9781509060481
DOIs
Publication statusPublished - 2017 Oct 12
Event42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017 - Cancun, Quintana Roo, Mexico
Duration: 2017 Aug 272017 Sep 1

Publication series

NameInternational Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz
ISSN (Print)2162-2027
ISSN (Electronic)2162-2035

Other

Other42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017
CountryMexico
CityCancun, Quintana Roo
Period17/8/2717/9/1

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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