An optical transmission system having a transmitter which generates an optical signal and amplifies the optical signal, a receiver which receives a transmitted optical signal, and an optical fiber which receives and transmits amplified optical signal from the transmitter to the receiver. The optical...http://www.google.es/patents/US6393182?utm_source=gb-gplus-sharePatente US6393182 - Optical fiber and method for coupling optical fibers
Optical fiber and method for coupling optical fibers
