Wavelength division multiplexed optical networks

Details Wavelength division multiplexed optical networks Wavelength division multiplexed optical networks

1998-11-20

2000-11-14

Schuberg, Darren

Optical waveguides

With optical coupler

Plural

385 37, 385 18, 359127, 359130, G02B 628

Patent

active

061481246

ABSTRACT:
Arrayed waveguide grating routers are used to form 1.times.N demultiplexers and N.times.1 multiplexers to form channel drop modules in a WDM optical network. The demultiplexer and the multiplexer are interconnected by optical waveguides in which are inserted optical switches provided by MEMs devices that can be used to reflect incident optical signals backwards for dropping channels or to both transmit and reflect incident optical signals to drop and detect channels.

REFERENCES:
patent: 5488500 (1996-01-01), Glance
patent: 5612805 (1997-03-01), Fevrier et al.
patent: 5999290 (1999-12-01), Li
patent: 6069719 (2000-05-01), Mizrahi

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