Silicon-based optical modulator for analog applications

Details Silicon-based optical modulator for analog applications Silicon-based optical modulator for analog applications

2008-10-08

2010-02-02

Font, Frank G (Department: 2883)

Optical waveguides

Temporal optical modulation within an optical waveguide

Electro-optic

C385S001000, C385S003000, C385S014000

Reexamination Certificate

active

07657130

ABSTRACT:
A silicon-insulator-silicon capacitive (SISCAP) optical modulator is configured to provide analog operation for applications which previously required the use of relatively large, power-consuming and expensive lithium niobate devices. An MZI-based SISCAP modulator (preferably a balanced arrangement with a SISCAP device on each arm) is responsive to an incoming high frequency electrical signal and is biased in a region where the capacitance of the device is essentially constant and the transform function of the MZI is linear.

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Cappelluti, et al, “Balanced Electroabsorption Modulator for High-Linearity Low-Noise Microwave Analog Optical Link”, Electrical Engineering Dept., University of Cal., L.A.

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