GaAs Traveling-Wave Optical Modulator Using A Modulated Coplanar Strip Electrode With Periodic Cross-Tie Overlay

H.-Y. Lee; T. Itoh

doi:10.1117/12.978310

18 November 1989 GaAs Traveling-Wave Optical Modulator Using A Modulated Coplanar Strip Electrode With Periodic Cross-Tie Overlay

H.-Y. Lee, T. Itoh

Author Affiliations +

Proceedings Volume 1039, 13th Intl Conf on Infrared and Millimeter Waves; (1989) https://doi.org/10.1117/12.978310
Event: 13th International Conference on Infrared and Millimeter Waves, 1987, Honolulu, HI, United States

Abstract

This paper proposes and analyzes a GaAs traveling-wave optical modulator which uses a modulated coplanar strip electrode with periodic cross-tie overlay. This slow-wave structure can be designed to satisfy phase velocity and impedance matching conditions simultaneously. The dominant conductor loss in the slow-wave structure is reduced using the modulated coplanar strip electrode. The calculated modulation bandwidth is much wider than those of conventional electrode structures which are limited by phase velocity mismatch.

Citation Download Citation

H.-Y. Lee and T. Itoh "GaAs Traveling-Wave Optical Modulator Using A Modulated Coplanar Strip Electrode With Periodic Cross-Tie Overlay", Proc. SPIE 1039, 13th Intl Conf on Infrared and Millimeter Waves, (18 November 1989); https://doi.org/10.1117/12.978310

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