H - Electricity – 04 – J
Patent
H - Electricity
04
J
363/1.8
H04J 1/02 (2006.01) H04B 10/207 (2006.01) H04B 10/26 (2006.01)
Patent
CA 1240420
Abstract of the Disclosure An optical transmission network for transmitting information between two locations is disclosed. The transmission network comprises a collection of individual two-way links with all optical sources at one end. At a first location, the outputs of at least two lasers, operating at first and second wavelengths respectively, are multiplexed together, the resulting optical power being divided between a plurality of single mode optical fiber transmission paths. Each optical transmission path may include a wavelength selective modulator for modulating information onto the first wavelength for transmission from the first location to the second location. At the second location, the wavelengths are separated and the information modulated onto the first wavelength is detected. The second wavelength may be modulated with information to be transmitted back to the first location. No dedicated laser is required at the second location.
499162
Bell Communications Research Inc.
Ridout & Maybee Llp
LandOfFree
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