Coupled optical waveguide resonators with heaters for...

Details Coupled optical waveguide resonators with heaters for... Coupled optical waveguide resonators with heaters for...

2011-07-05

2011-07-05

Pelham, Joseph M (Department: 3742)

Electric heating

Heating devices

Plural separate heating devices

C219S201000, C219S209000, C219S477000, C219S486000, C219S494000, C385S008000, C385S016000, C385S030000

Reexamination Certificate

active

07973265

ABSTRACT:
An integrated optical device is disclosed comprising a substrate, optical waveguide, and compound optical resonator having a temperature sensor, at least two coupled optical resonators, and a heater localized to each optical resonator. An optical input signal is coupled to one of the resonators making up the compound resonator to form an optical output signal. The center wavelength and shape of the output signal is optimized with a feedback loop using the temperature sensor to control the power dissipated in at least one of the localized heaters. The power dissipated in the remaining resonator heaters is set according to a predetermined function having as an input variable the power dissipated in the resonant heater under control of the said feedback loop.

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