Athermal arrayed waveguide grating

Details Athermal arrayed waveguide grating Athermal arrayed waveguide grating

2007-05-15

2007-05-15

Font, Frank G. (Department: 2883)

Optical waveguides

With optical coupler

Input/output coupler

C385S004000, C385S010000, C385S015000, C385S016000, C385S017000, C385S020000, C385S031000, C385S032000, C385S046000, C385S050000

Reexamination Certificate

active

10625161

ABSTRACT:
An athermal arrayed-waveguide grating is disclosed and includes an input waveguide for inputting two or more optical signals from one exterior side, a grating array for separating the optical signals into different wavelengths of light, a first slab, formed with two layers and having different refractive indices from each other, for connecting the input waveguide with the grating array, a second slab for causing the different light wavelengths separated at the grating array to be imaged on an egress surface thereof, and an output waveguide array for outputting each light wavelength imaged on the egress surface of the second slab to the other exterior side in the form of a separated channel.

REFERENCES:
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patent: 1406099 (2003-01-01), None
Alcatel, Laid Open Application EP 01440418.0, Jul. 23, 2002.

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