Room-temperature operation of photopumped monolithic InP vertical-cavity laser with two air-gap Bragg reflectors

被引：18

作者：

Chitica, N ^{[1
]}

Strassner, M ^{[1
]}

机构：

[1] Royal Inst Technol, Dept Elect, S-16440 Kista, Sweden

来源：

APPLIED PHYSICS LETTERS | 2001年 / 78卷 / 25期

关键词：

D O I：

10.1063/1.1379983

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We demonstrate a long wavelength (lambda = 1.56 mum) vertical-cavity laser built on a low-loss resonator formed by two InP/air-gap Bragg reflectors. The monolithic, InP-based structure uses a periodic gain active region with six strain-compensated quantum wells. The photopumped vertical-cavity laser requires record low power density of only 370 W/cm(2) to reach threshold at 25 degreesC. The equivalent threshold current density is estimated to be as low as 400 A/cm(2). Continuous-wave operation is demonstrated up to 32 degreesC despite the low heat conductivity of the reflectors. The emission is single mode and a power of up to 110 muW has been coupled into a single-mode fiber. (C) 2001 American Institute of Physics.

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页码：3935 / 3937

页数：3

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