Velocity-matched slow-wave electrodes for integrated electro-optic modulators

Nicolas A.F. Jaeger; Zachary K.F. Lee

doi:10.1117/12.145727

1 January 1993 Velocity-matched slow-wave electrodes for integrated electro-optic modulators

Nicolas A.F. Jaeger, Zachary K.F. Lee

Proceedings Volume 1801, 20th International Congress on High Speed Photography and Photonics; (1993) https://doi.org/10.1117/12.145727
Event: 20th International Congress on High Speed Photography and Photonics, 1992, Victoria, BC, Canada

Abstract

Coplanar slow-wave electrode structures capable of matching the velocities of microwaves to those of optical waves in compound semiconductor based electro-optic modulators are described. In such an electrode microwaves are slowed by periodically adding pairs of capacitive loading fins to the electrode to increase its capacitance per unit length, without obtaining a corresponding decrease in its inductance per unit length. Electro-optic modulators having wide bandwidths and requiring small amounts of modulating power may be realized by using slow-wave electrodes to achieve the velocity-match condition. The theory of operation of, and the results of some measurements on, electrodes of this type are presented.

Citation Download Citation

Nicolas A.F. Jaeger and Zachary K.F. Lee "Velocity-matched slow-wave electrodes for integrated electro-optic modulators", Proc. SPIE 1801, 20th International Congress on High Speed Photography and Photonics, (1 January 1993); https://doi.org/10.1117/12.145727

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