Tunable wavelength optical transmission module

Details Tunable wavelength optical transmission module Tunable wavelength optical transmission module

2007-12-04

2007-12-04

Connelly-Cushwa, Michelle R. (Department: 2874)

Optical waveguides

With optical coupler

Input/output coupler

C385S016000, C385S024000

Reexamination Certificate

active

11120751

ABSTRACT:
Disclosed herein is a tunable wavelength optical transmission module, the wavelength of which can be tuned over the wide wavelength region of a C band and which can be implemented at a low price and, thus, can be applied to an optical network terminal. Bragg gratings having different grating periods are arranged in parallel or series and the temperatures of Bragg grating regions are then controlled, so that the wavelength of an optical signal can be tuned over a wide wavelength range through the small variation in temperature.

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