High Temperature and High Frequency Performance of Gain-Guided Surface Emitting Lasers

G. Hasnain, K. Tai, N. K. Dutta, Yeong-Her Wang, J. D. Wynn, B. E. Weir, A. Y. Cho

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

For the first time, 860 nm gain-guided top surface emitting lasers (SEL) that operate continuous wave up to 90°C and can be amplitude modulated at frequencies beyond 5 GHz are demonstrated. Laser thresholds as low as 2 mA and output powers more than 1 mW were obtained at room temperature. Singlemode emission with sidemode suppression greater than 50 dB was also observed. The higher operating temperature was achieved by grading the doping in semiconductor distributed Bragg reflectors such that resistive heating was lowered without increasing free carrier absorption.

Original languageEnglish
Pages (from-to)915-916
Number of pages2
JournalElectronics Letters
Volume27
Issue number11
DOIs
Publication statusPublished - 1991 Jan 1

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Surface emitting lasers
Distributed Bragg reflectors
Doping (additives)
Semiconductor materials
Heating
Temperature
Lasers

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Hasnain, G., Tai, K., Dutta, N. K., Wang, Y-H., Wynn, J. D., Weir, B. E., & Cho, A. Y. (1991). High Temperature and High Frequency Performance of Gain-Guided Surface Emitting Lasers. Electronics Letters, 27(11), 915-916. https://doi.org/10.1049/el:19910573
Hasnain, G. ; Tai, K. ; Dutta, N. K. ; Wang, Yeong-Her ; Wynn, J. D. ; Weir, B. E. ; Cho, A. Y. / High Temperature and High Frequency Performance of Gain-Guided Surface Emitting Lasers. In: Electronics Letters. 1991 ; Vol. 27, No. 11. pp. 915-916.
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Hasnain, G, Tai, K, Dutta, NK, Wang, Y-H, Wynn, JD, Weir, BE & Cho, AY 1991, 'High Temperature and High Frequency Performance of Gain-Guided Surface Emitting Lasers', Electronics Letters, vol. 27, no. 11, pp. 915-916. https://doi.org/10.1049/el:19910573

High Temperature and High Frequency Performance of Gain-Guided Surface Emitting Lasers. / Hasnain, G.; Tai, K.; Dutta, N. K.; Wang, Yeong-Her; Wynn, J. D.; Weir, B. E.; Cho, A. Y.

In: Electronics Letters, Vol. 27, No. 11, 01.01.1991, p. 915-916.

Research output: Contribution to journalArticle

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AU - Weir, B. E.

AU - Cho, A. Y.

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