Coherent light generators – Particular component circuitry – Optical pumping
Patent
1988-08-17
1989-08-22
Sikes, William L.
Coherent light generators
Particular component circuitry
Optical pumping
350 9610, 350 9616, 372 19, 372 43, 250227, 455612, 455617, 455619, 357 19, 357 30, G02B 626, H01S 3098, G02F 100, H01L 2714
Patent
active
048590150
ABSTRACT:
An optical receiver particularly suited for use in a noisy environment, the receiver includes an optical gain device for amplifying an input signal to produce an amplified input signal, a photodetector, and a mode selector. The optical gain device includes an optical gain medium, an optical input port through which the input signal may be received into the optical gain medium, and an optical output port through which an optical output signal may leave the optical gain medium. The output signal includes the amplified input signal, plus any noise generated within the optical gain device. The input and output ports include antireflection means. In a preferred embodiment, the mode selector comprises a single mode fiber-optic cable that transmits a single spatial mode of the output signal to the photodetector.
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"Laser Amplifier Repeater" Passes Test In 75-Mile Fiber Link Electronic Engineering Times, Apr. 27, 1987.
Falk Robert A.
Krinsky Jeffrey A.
Healy Brian M.
Sikes William L.
The Boeing Company
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