LASING CHARACTERISTICS OF 1. 5-1. 6 mu m GaInAsP/InP INTEGRATED TWIN-GUIDE LASERS WITH FIRST-ORDER DISTRIBUTED BRAGG REFLECTORS.

Katsuyuki Utaka, Ken ichi Kobayashi, Yasuharu Suematsu

Research output: Contribution to journalArticle

65 Citations (Scopus)

Abstract

Lasing characteristics of 1. 5-1. 6 mu m GaInAsP/InP integrated twin-guide lasers with first-order distributed Bragg reflectors (DBR-ITG lasers) are given theoretically and experimentally. At this wavelength region the fiber loss is ultimately low, but the effect of the material dispersion is serious. It is theoretically found that single longitudinal mode operation over twice the threshold current is obtainable with high quantum efficiency by optimizing the coupling properties and configurational parameters of the DBR-ITG laser. The experimental results are also demonstrated. Single longitudinal mode operation of 1. 5-1. 6 mu m DBR-ITG lasers under high-speed direct modulation was achieved with a pulsewidth of 1. 5 ns.

Original languageEnglish
Pages (from-to)651-658
Number of pages8
JournalIEEE Journal of Quantum Electronics
VolumeQE-17
Issue number5
Publication statusPublished - 1980 May
Externally publishedYes

Fingerprint

DBR lasers
Distributed Bragg reflectors
Bragg reflectors
lasing
Lasers
lasers
Quantum efficiency
threshold currents
quantum efficiency
high speed
Modulation
modulation
Wavelength
fibers
Fibers
wavelengths

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Physics and Astronomy (miscellaneous)

Cite this

LASING CHARACTERISTICS OF 1. 5-1. 6 mu m GaInAsP/InP INTEGRATED TWIN-GUIDE LASERS WITH FIRST-ORDER DISTRIBUTED BRAGG REFLECTORS. / Utaka, Katsuyuki; Kobayashi, Ken ichi; Suematsu, Yasuharu.

In: IEEE Journal of Quantum Electronics, Vol. QE-17, No. 5, 05.1980, p. 651-658.

Research output: Contribution to journalArticle

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