Monitoring with an optical wavelength router

Details Monitoring with an optical wavelength router Monitoring with an optical wavelength router

1997-12-24

2000-02-08

Lee, John D.

Optical waveguides

With optical coupler

Input/output coupler

385 24, G06B 628

Patent

active

060235446

ABSTRACT:
Monitoring of the wavelength and power in an optical network is realized by including a wavelength router in which output ports at particular locations are included to derive samples for the monitoring. A periodic variation in the optical length of the arms of the grating in the router is used to focus additional power at these selected locations. Such a router can also be used for multiplexing and demultiplexing optical signals.

REFERENCES:
patent: 5136671 (1992-08-01), Dragone
patent: 5483369 (1996-01-01), Darcie et al.
patent: 5617234 (1997-04-01), Koga et al.
patent: 5751872 (1998-05-01), Bissessur et al.
Fabrication of Multiwavelength Simulataneous Monitoring Device Using Arrayed-Waveguide Grating K. Okamato et al. Electronic Letters Mar. 14, 1996 vol. 32 No. 6 pp. 569-570.

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