Dual mode light emitting diode/detector diode for optical fiber

Details Dual mode light emitting diode/detector diode for optical fiber Dual mode light emitting diode/detector diode for optical fiber

1988-09-20

1990-08-14

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

357 19, 372 45, 250551, G02B 2742, G01C 312

Patent

active

049489607

ABSTRACT:
This invention relates to a double heterostructure diode and photodiode which is selectively switchable between an emission mode and receiving mode. A light emitting active region is localized and restricted by limitation of the area of contact to a window in a silicon dioxide layer and an optical fiber is coupled to the diode at a lateral surface to provide substantially greater light emission from the lateral surface than from side emission.

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