Optical waveguide device and optical transmission system

Details Optical waveguide device and optical transmission system Optical waveguide device and optical transmission system

1994-01-07

1996-10-29

Ngo, John

Optical waveguides

With optical coupler

Input/output coupler

385131, G02B 634

Patent

active

055704395

ABSTRACT:
An optical signal is incident on a semiconductor optical waveguide with a grating and is reflected or transmitted therethrough to thereby perform dispersion compensation. Application of an electric field or implantation of carriers can be effected in the optical waveguide by means of electrodes attached in the optical waveguide. In addition, a temperature of the optical waveguide can be varied by a resistance heater. By using these measures, the dispersion compensation wavelength and the dispersion compensation intensity can be adjusted.

REFERENCES:
patent: 3619796 (1971-11-01), Seidel
patent: 5022730 (1991-06-01), Cimini et al.
Patent Abstracts of Japan, vol. 8, No. 250, 16 Nov. 1984 & JP-A-59 126 336 (Toukiyou Kogyo Daigaku), 20 Jul. 1994.
Patent Abstracts of Japan, vol. 4, No. 100, 18 Jul. 1980 & JP-A-55 059 403 (NTT), 2 May 1980.
Optics Letters, vol. 16, No. 5, 1 Mar. 1991, Washington, US, pp. 303-305; Francois Ouellette: All-fiber filter for efficient dispersion compensation .

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