Optical fiber bidirectional transmission system

Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency

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370 3, 455605, 455612, H04B 900

Patent

active

048797634

ABSTRACT:
A bidirectional optical communications system is described using a multiple quantum well structure as both a photodetector and light modulator.

REFERENCES:
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patent: 4570062 (1986-02-01), Tsumura et al.
patent: 4658394 (1987-04-01), Cheng et al.
patent: 4662003 (1987-04-01), Eichweber
patent: 4739521 (1988-04-01), Akimoto

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