Optical waveguides – With optical coupler – Plural
Reissue Patent
2011-07-12
2011-07-12
Sanghavi, Hemang (Department: 2874)
Optical waveguides
With optical coupler
Plural
C385S018000, C385S037000, C385S132000, C398S084000, C398S087000
Reissue Patent
active
RE042540
ABSTRACT:
A reconfigurable add-drop multiplexer (R-OADM) comprises an array of channel waveguides coupling two groups of diffractive element sets on a slab waveguide. The channel waveguides include switchable reflectors or are coupled to other channel waveguides by optical switches. Switching a reflector to reflect or setting a switch to couple two waveguides results in a corresponding wavelength channel being added or dropped. Switching the reflector to transmit or setting the switch to uncouple the two waveguides allows the corresponding wavelength channel to pass through the R-OADM without being added or dropped.
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Greiner Christoph M.
Iazikov Dmitri
Mossberg Thomas W.
Sanghavi Hemang
Schwabe Williamson & Wyatt P.C.
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