Low threshold three-segmented composite cavity structure GaAlAs/GaAs single-mode laser

[in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

Journals >Chinese Journal of Lasers >Volume 18 >Issue 6 >Page 401 > Article

Chinese Journal of Lasers
Vol. 18, Issue 6, 401 (1991)

Low threshold three-segmented composite cavity structure GaAlAs/GaAs single-mode laser

[in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]

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[in Chinese]

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[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Low threshold three-segmented composite cavity structure GaAlAs/GaAs single-mode laser[J]. Chinese Journal of Lasers, 1991, 18(6): 401 Copy Citation Text

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Abstract

A low threshold three-segmented composite cavity GaAlAs/GaAg laser is reported with a lowest CW threshold current of about 18 mA. It operates in stable single-mode, external differential quantum efficiency is 50-80% and the best linear relationship between light output and current remains up to 30 mW. Single frequency oscillation locking is achieved over the temperature range of around 5°C and the highest temperature for CW lasing is 117 ℃.

Keywords

three segmented composite cavite inner stripe strueture

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