1 Gbit/s Coherent Optical Communication System using a 1W Optical Power Amplifier

An experimental 1 Gbit/s, coherent optical communication system that uses a 1 W semiconductor optical power amplifier is reported. The system is intended for use in free-space crosslink applications, operates at a wavelength of 972 nm and uses a frequency-shift-key (FSK) modulated semiconductor lase...

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Bibliographic Details
Main Authors: Alexander, S B, Kintzer, E S, Livas, J C, Chinn, S R, Walpole, J N
Format: Report
Language:English
Subjects:
AMPLIFIERS
DELAY LINES
DEMODULATORS
DETECTION
DISCRIMINATORS
FREQUENCY SHIFT
HETERODYNING
LASERS
Non-radio Communications
OPTICAL AMPLIFIERS
OPTICAL COMMUNICATIONS
OSCILLATORS
PE33110F
PE63789F
PHOTONS
POWER AMPLIFIERS
RECEIVERS
REPRINTS
SEMICONDUCTOR LASERS
Telemetry
TELESCOPES
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Summary:An experimental 1 Gbit/s, coherent optical communication system that uses a 1 W semiconductor optical power amplifier is reported. The system is intended for use in free-space crosslink applications, operates at a wavelength of 972 nm and uses a frequency-shift-key (FSK) modulated semiconductor laser master oscillator, heterodyne detection receiver, and delay-line discriminator demodulator. Communication link sensitivities of 30 detected photons per bit at a 10-6 bit error rate have been obtained. This link performance can support gigabit per second rates across geosynchronous distances. Optical communication, Optical amplifiers