GRATING SPECTROGRAPH INTEGRATED WITH PHOTODIODE ARRAY IN INGAASP/INGAAS/INP

被引：69
作者：
CREMER, C
EMEIS, N
SCHIER, M
HEISE, G
EBBINGHAUS, G
STOLL, L
机构：
[1] Siemens AG, Research Laboratories, Munich
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 1992年 / 4卷 / 01期
关键词：
D O I：
10.1109/68.124893
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：
A grating spectrograph integrated monolithically for the first time in the InGaAsP system with a photodiode array for a dense WDM application is presented for the 1.5-mu-m wavelength region. The chip provides 42 wavelengths channels with a spacing of 4 nm, a channel crosstalk of approximately -15 dB, an internal photodiode efficiency of 90%, and a photodiode capacitance of 0.33 pF. The chip needs no optical adjustments. Therefore it is well suited for mass production.
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页码：108 / 110
页数：3
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