Apparatus and method for a linear, wideband sensitive optical re

Details Apparatus and method for a linear, wideband sensitive optical re Apparatus and method for a linear, wideband sensitive optical re

1990-06-28

1992-08-25

Eisenzopf, Reinhard J.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

250214A, 330 59, H04B 1006

Patent

active

051424010

ABSTRACT:
An optical receiver includes a photodetecting device and a wide band video amplifier. The photodetecting device and the video amplifier are coupled by reactive elements which are selected to provide a highly linear and highly sensitive response over a frequency range of approximately 400-950 MHz. The crosstalk between two signals are ten parts per billion when the laser power is at 1 milliwatt and modulation is 25 percent per signal. The noise generated by the receiver is only equivalent to 6 billionth of an ampere. The receiver uses commerically available components.

REFERENCES:
patent: 4563656 (1986-01-01), Baum
patent: 4723313 (1988-02-01), Folcke et al.
patent: 4856095 (1989-08-01), Rauscher
patent: 4959535 (1990-09-01), Garrett
patent: 4998012 (1991-03-01), Kruse

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