1. 5 mu m RANGE InGaAsP/InP DISTRIBUTED FEEDBACK LASERS.

Kazuo Sakai, Katsuyuki Utaka, Shigeyuki Akiba, Yuichi Matsushima

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

Lasing characteristics of InGaAsP/InP distributed feedback (DFB) lasers in the 1. 5 mu m range were studied theoretically and experimentally. Wave propagation in five-layer DFB waveguides were analyzed to estimate the effect of the structural parameters on threshold conditions. A brief consideration on designing a low threshold laser and its lasing wavelength was made. DFB buried heterostructure lasers with fundamental grating emitting at 1. 53 mu m were prepared by liquid phase epitaxial techniques. CW operation was confirmed in the temperature range of minus 20 degree to 58 degree C, and a cw threshold current was as low as 50 mA at room temperature.

Original languageEnglish
Pages (from-to)1272-1278
Number of pages7
JournalIEEE Journal of Quantum Electronics
VolumeQE-18
Issue number8
Publication statusPublished - 1982 Aug
Externally publishedYes

Fingerprint

lasing
Feedback
thresholds
Lasers
Distributed feedback lasers
distributed feedback lasers
threshold currents
Wave propagation
lasers
Heterojunctions
wave propagation
liquid phases
Waveguides
gratings
waveguides
Wavelength
Temperature
Liquids
room temperature
estimates

ASJC Scopus subject areas

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

Cite this

Sakai, K., Utaka, K., Akiba, S., & Matsushima, Y. (1982). 1. 5 mu m RANGE InGaAsP/InP DISTRIBUTED FEEDBACK LASERS. IEEE Journal of Quantum Electronics, QE-18(8), 1272-1278.

1. 5 mu m RANGE InGaAsP/InP DISTRIBUTED FEEDBACK LASERS. / Sakai, Kazuo; Utaka, Katsuyuki; Akiba, Shigeyuki; Matsushima, Yuichi.

In: IEEE Journal of Quantum Electronics, Vol. QE-18, No. 8, 08.1982, p. 1272-1278.

Research output: Contribution to journalArticle

Sakai, K, Utaka, K, Akiba, S & Matsushima, Y 1982, '1. 5 mu m RANGE InGaAsP/InP DISTRIBUTED FEEDBACK LASERS.', IEEE Journal of Quantum Electronics, vol. QE-18, no. 8, pp. 1272-1278.
Sakai, Kazuo ; Utaka, Katsuyuki ; Akiba, Shigeyuki ; Matsushima, Yuichi. / 1. 5 mu m RANGE InGaAsP/InP DISTRIBUTED FEEDBACK LASERS. In: IEEE Journal of Quantum Electronics. 1982 ; Vol. QE-18, No. 8. pp. 1272-1278.
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