Apparatus for modulating signal by using deflector...

Optical waveguides – With optical coupler – Particular coupling function

Reexamination Certificate

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C385S015000

Reexamination Certificate

active

07136549

ABSTRACT:
An optical modulator using a dynamic single mode laser diode (DSM-LD) integrated with a deflector is disclosed. The optical modulator for coupling a light beam to an optical fiber, the optical modulator includes: a laser diode for generating the light beam; and a deflector for deflecting a direction of the light beam according to an electric signal externally applied and outputting the defected light beam to the optical fiber, wherein the laser diode and the deflector are integrated with a multi-layer semiconductor structure in such a way that the light beam is modulated by changing a defection angle of the deflector.

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