Wavelength tuning device and wavelength tuning method

Details Wavelength tuning device and wavelength tuning method Wavelength tuning device and wavelength tuning method

2007-08-21

2007-08-21

Doan, Jennifer (Department: 2874)

Optical waveguides

With optical coupler

Input/output coupler

C385S015000, C385S031000

Reexamination Certificate

active

11543211

ABSTRACT:
A wavelength tuning device of the invention tunes the reflected wavelength of a fiber Bragg grating, and includes: an optical fiber (102) in which a fiber Bragg grating (106) is formed; a base member (104) to which the optical fiber (102is fixed; a first temperature sensor (112) that detects a temperature of the base member (104); a thermo-module (116) that adjust the temperature of the base member (104) such that the temperature detected by the first temperature sensor (112) is maintained at a desired temperature; a second temperature sensor (126) that detects an external temperature of the wavelength tuning device; and a temperature controller (130) that controls the thermo-module (116) such that the temperature of the base member (104) is maintained at the desired temperature based on the external temperature detected by the second temperature sensor (126).

REFERENCES:
patent: 6384404 (2002-05-01), Berg
patent: 7127140 (2006-10-01), Kobayashi et al.
patent: 2000-503415 (2000-03-01), None
patent: WO-97/26572 (1997-07-01), None

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