TAPERED WAVE-GUIDE INGAAS/INGAASP MULTIPLE-QUANTUM-WELL LASERS

被引：128
作者：
KOCH, TL
KOREN, U
EISENSTEIN, G
YOUNG, MG
ORON, M
GILES, CR
MILLER, BI
机构：
[1] AT&T Bell Laboratories, Holmdel
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 1990年 / 2卷 / 02期
关键词：
D O I：
10.1109/68.47056
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We propose and demonstrate the application of ultra-thin etch-stop fabrication techniques to adiabatically expand the vertical optical mode size in 1.5 µm InGaAs/InGaAsP MQW lasers using a tapered-core passive intracavity waveguide structure. We achieve 30% differential quantum efficiency out the tapered facet, far-field FWHM of ~ 12°, and a butt-coupling efficiency into a cleaved fiber of -4.2 dB, with -1 dB alignment tolerances of ~ ± 3 ¼m. © 1990 IEEE
引用
收藏
页码：88 / 90
页数：3
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