Novel wavelength-tunable active-filter-type laser diodes

Masayoshi Horita, Katsuyuki Utaka, Yuichi Matsushima

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A wavelength-tunable laser diode which utilizes an active transmission filter of a λ/4-shifted grating is proposed. 0.95-nm continuous tuning and 5.2-nm quasi-continuous tuning were achieved. Spectral linewidths ranged from 20 to 40 MHz during the tuning. The device structure and the operational principle are described. After a description of the fabrication, the device characteristics, including injection current versus light output, wavelength tuning, linewidth, and FM response, are presented. A flat FM response with large efficiency was obtained.

Original languageEnglish
Pages (from-to)1625-1629
Number of pages5
JournalIEEE Journal of Quantum Electronics
Volume27
Issue number6
DOIs
Publication statusPublished - 1991 Jun
Externally publishedYes

Fingerprint

Active filters
Semiconductor lasers
Tuning
semiconductor lasers
tuning
filters
Wavelength
wavelengths
Linewidth
frequency modulation
Laser tuning
tunable lasers
gratings
injection
Fabrication
fabrication
output

ASJC Scopus subject areas

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

Cite this

Novel wavelength-tunable active-filter-type laser diodes. / Horita, Masayoshi; Utaka, Katsuyuki; Matsushima, Yuichi.

In: IEEE Journal of Quantum Electronics, Vol. 27, No. 6, 06.1991, p. 1625-1629.

Research output: Contribution to journalArticle

Horita, Masayoshi ; Utaka, Katsuyuki ; Matsushima, Yuichi. / Novel wavelength-tunable active-filter-type laser diodes. In: IEEE Journal of Quantum Electronics. 1991 ; Vol. 27, No. 6. pp. 1625-1629.
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