PHOTOPUMPED LONG-WAVELENGTH VERTICAL-CAVITY SURFACE-EMITTING LASERS USING STRAIN-COMPENSATED MULTIPLE-QUANTUM WELLS

被引:18
作者
LIN, CH [1 ]
CHUA, CL [1 ]
ZHU, ZH [1 ]
EJECKAM, FE [1 ]
WU, TC [1 ]
LO, YH [1 ]
BHAT, R [1 ]
机构
[1] BELLCORE,RED BANK,NJ 07701
关键词
D O I
10.1063/1.111286
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report optically pumped long wavelength vertical-cavity surface-emitting lasers (VCSELs) made of strain-compensated multiple quantum wells. The structure of the VCSELs consists of 30 pairs of compressive strained wells and tensile strained barriers as the gain medium and Si/SiO2 dielectric mirrors. The lasers operate at 1.59 mum wavelength. The threshold power density was measured to be 3 kW/cm2 at room temperature, corresponding to a threshold current density of about 2 kA/cm2. The VCSELs have a characteristic temperature T0 of 90 K between 10 and 60-degrees-C, and 60 K from 70 to 110-degrees-C.
引用
收藏
页码:3395 / 3397
页数:3
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