High-efficiency and high-power vertical-cavity surface-emitting laser designed for cryogenic applications
We report the first AlGaAs-GaAs vertical-cavity surface-emitting laser (VCSEL) that has been optimized for cryogenic applications near 77 K, with superior characteristics that include a high-output power (P/sub out/=22 mW at I=25 mA), high power conversion efficiency (/spl eta/d=32%), low threshold...
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Veröffentlicht in: | IEEE photonics technology letters 1995-05, Vol.7 (5), p.447-448 |
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container_issue | 5 |
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container_title | IEEE photonics technology letters |
container_volume | 7 |
creator | Bo Lu Wen-Lin Luo Hains, C. Cheng, J. Schneider, R.P. Choquette, R.P. Lear, K.L. Kilcoyne, S.P. Zolper, J.C. |
description | We report the first AlGaAs-GaAs vertical-cavity surface-emitting laser (VCSEL) that has been optimized for cryogenic applications near 77 K, with superior characteristics that include a high-output power (P/sub out/=22 mW at I=25 mA), high power conversion efficiency (/spl eta/d=32%), low threshold voltage (V/sub th/=1.75 V) and current (I/sub th/=1.7 mA), and low power dissipation (9 mW at P/sub out/=2.0 mW) for a 20-μm-diameter device. |
doi_str_mv | 10.1109/68.384505 |
format | Article |
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issn | 1041-1135 1941-0174 |
language | eng |
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source | IEEE Electronic Library (IEL) |
subjects | Cryogenics Exact sciences and technology Fundamental areas of phenomenology (including applications) Lasers Optical design Optics Physics Power conversion Power dissipation Power generation Power lasers Semiconductor lasers laser diodes Surface emitting lasers Temperature Threshold voltage Vertical cavity surface emitting lasers |
title | High-efficiency and high-power vertical-cavity surface-emitting laser designed for cryogenic applications |
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