Thermo-optic semiconductor device

Details Thermo-optic semiconductor device Thermo-optic semiconductor device

2005-02-01

2005-02-01

Pham, Long (Department: 2814)

Active solid-state devices (e.g., transistors, solid-state diode

Responsive to non-electrical signal

Electromagnetic or particle radiation

C257S013000, C257S022000, C257S094000, C257S184000, C257S432000, C257S536000, C257S538000

Reexamination Certificate

active

06849914

ABSTRACT:
A thermo-optic semiconductor device has one semiconductor region providing an optical waveguide and an adjacent semiconductor region providing a resistive heater between two doped regions, current may be passed through the resistive heater within the adjacent semiconductor region to heat it and thereby vary the optical characteristics of the waveguide.

REFERENCES:
patent: 5757986 (1998-05-01), Crampton et al.
patent: 6278168 (2001-08-01), Day
patent: 2 320 104 (1998-06-01), None
UK Search Report for patent application No. GB 9815655.7 dated Oct. 28, 1998.
UK Search Report for patent application No. GB 9721818.4 dated Feb. 4, 1998.
International Search Report for PCT application No. PCT/GB99/02016 dated Sep. 13, 1999.
Cocorullo, G. et al, ‘Silicon Thermooptical Micromodulator with 700-kHz-3-db Bandwidth,’ IEEE Photoonics Technology Letters, vol. 7, No. 4, pp. 363-365, Apr., 1995.
Cutolo, A. et al, ‘Silicon Electro-optic Modulator Based on a Three Therminal Device Integrated in a Low-Loss Single-Mode SOI Waveguide,’ Journal of Lightwave Rechnology, vol. 15, No. 3, pp. 505-518, Mar., 1997.

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