Optical waveguides – Integrated optical circuit
Patent
1998-05-22
2000-05-16
Ngo, Hung N.
Optical waveguides
Integrated optical circuit
257184, 257461, 385 45, G02B 610
Patent
active
060647825
ABSTRACT:
The invention is a photodetector device and a lightguide circuit incorporating the device. The photodetector device includes a semiconductor region for absorbing light which is incident on an edge surface of the device. The region above the absorbing region is narrow at the edge and fans out in the direction of light propagation in the device.
REFERENCES:
patent: 5321275 (1994-06-01), Shimizu et al.
patent: 5783839 (1998-07-01), Morikawa et al.
patent: 5912500 (1999-06-01), Costello et al.
Anthony Philip John
Johnston, Jr. Wilbur Dexter
Lorimor Orval George
Muehlner Dirk Joachim
Birnbaum Lester H.
Lucent Technologies - Inc.
Ngo Hung N.
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