H - Electricity – 04 – B
Patent
H - Electricity
04
B
325/1, 345/55
H04B 10/142 (2006.01) G02F 1/35 (2006.01)
Patent
CA 1272792
ABSTRACT OF THE DISCLOSURE An optical system comprises a transmission assembly including a semiconductor laser amplifier which superimposes onto an amplitude modulated signal a phase modulation corresponding to the amplitude modulation. The optical system may further include a separation device for filtering out the amplitude modulation. A receiving assembly may be provided for detecting the phase modulation of a transmitted signal.
511831
Smith David W.
Webb Roderick P.
British Telecommunications Public Limited Company
G. Ronald Bell & Associates
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