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US 2002/0164126 A1Published application
Multi-port optical amplifier
OwnerJae-Seung Lee, Kyung-Hee Seoinventors
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Abstract
A multi-port optical amplifier comprising two input ports and two output ports. The multi-port optical amplifier further comprises optical circulators instead of optical isolators provided in conventional optical amplifiers to suppress reflected waves.
Claims3
A multi-port optical amplifier comprising two input ports, two output ports, at least one gain means having a bidirectional amplification capability, and two optical circulators, thereby simultaneously amplifying different optical signals traveling along two optical fibers.
Dependencies are inferred from the claim text.