Method and apparatus for detecting multiple optical wavelengths

Details Method and apparatus for detecting multiple optical wavelengths Method and apparatus for detecting multiple optical wavelengths

2009-02-19

2011-10-18

Pak, Sung (Department: 2874)

Optical waveguides

With optical coupler

Input/output coupler

Reexamination Certificate

active

08041163

ABSTRACT:
Optical gratings that perform a number of functions at various wavelengths are formed by various methods that preserve spectral information within a wavelength band, the functions including: coupling radiation from one waveguide to another, controllable gratings that operate on different wavelengths in response to external control signals.

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