Optical coupler and/or multiplexer
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United States of America Patent
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-
Aug 21, 2001
Grant Date -
N/A
app pub date -
Feb 14, 2000
filing date -
Apr 21, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An optical fiber coupler has at least an m-core optical fiber optically coupled to an n-core optical fiber, where m and n are positive integers and m is greater than 1. A channel add/drop multiplexer includes an optical fiber coupler and a Bragg grating disposed on the m-core fiber outside the coupling region.
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