Optical waveguides – With optical coupler – Plural
Reexamination Certificate
2006-08-29
2006-08-29
Ullah, Akm Enayet (Department: 2874)
Optical waveguides
With optical coupler
Plural
C385S140000
Reexamination Certificate
active
07099529
ABSTRACT:
A flexible band tunable filter design is disclosed which is capable of selecting any single channel or multiple of adjacent channels in a waveband of an optical signal in an optical communication network. The flexible band tunable filter has particular application in wavelength division multiplexing communication networks.
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Ji Philip Nan
Matsuda Osamu
Wang Ting
Watanabe Kojiro
Zong Lane
Lee Benjamin
NEC Corporation
NEC Laboratories America, Inc.
Ullah Akm Enayet
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