Optical modulator module

Details Optical modulator module Optical modulator module

2005-03-08

2005-03-08

Dang, Hung Xuan (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C385S002000, C385S011000, C385S014000, C372S026000, C372S027000, C372S034000, C372S043010

Reexamination Certificate

active

06865006

ABSTRACT:
“This invention offer optical modulator module with fulfilling the effective and the stable optical modulation, which stabilizes the emission of semiconductor and control the shift of optic axis between the optical component by the temperature change and so on, when using the semiconductor laser. Peculiarly, the optical modulator module includes, in same package, the semiconductor laser (27) as light source, the optical modulation device (28) that has optical waveguide on the surface of the chip made by the element of the electro-optical effect, and the polarization rotating element (40) between said semiconductor laser and said optical modulation device, for bringing plane of polarization of light from said semiconductor laser (27) to optimum plane of polarization in waveguide of the said optical modulation device in line and blocking the returning light from said optical modulation device to said semiconductor laser.”

REFERENCES:
patent: 5566264 (1996-10-01), Kuke et al.
patent: 6721511 (2004-04-01), Tatsuno et al.

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