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Amplified Integrated Star Couplers with Zero Loss

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Abstract

Passive star couplers play a central role in the architecture of many high-speed, multiple-access optical networks. Although the use of a star coupler is possible under ideal conditions for networks with a large number of users, in practice, the size of the system is limited by the inherent 1/N splitting and excess loss of the coupler, the limited sensitivity of the receiver, and the finite available source power. A way to increase the number of users in a star network is with the use of erbium-doped fiber (EDF) amplifiers to compensate, at least to some degree, for the splitting and excess loss of the star.

© 1991 Optical Society of America

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