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Proceedings Paper

Microwave And Millimeter-Wave Electro-Optic Modulators
Author(s): J. J. Pan
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Paper Abstract

The growth of sophisticated military satellite communications, electronic warfare, and radar systems places increasing demands on microwave/millimeter-wave (M/MMW) fiber-optics for wide instantaneous bandwidth, immunity of EMI/EMP, deployment speed/simplicity, and cost effectiveness. The directly modulated laser diode (LD), operating at room temper-ature for a bandwidth above 14 GHz, is very difficult to fabricate and package. Therefore, the laser beam modulated by an electro-optic modulator (EOM) provides the essential way of microwave or millimeter-wave wideband fiberoptic systems above 14 GHz. Both LiNb03 and III-V semiconductor E0Ms are feasible to modulate LD beams in M/MMW frequency range. Various intensity structures, including the Mach-Zehnder interferometer, Franz-Keldysh electro-optic absorbing, and multi-quantum well, and their state-of-the-art performance will be described and compared in this paper. Also, the detail analyses and designs of the M/MMW traveling-wave electrode, Ti-indiffused LiNbO EOM fabrication process, and package technique will be presented. Furthermore, the pracical system parameters and system ap-plications of the EOM are also discussed.

Paper Details

Date Published: 6 December 1988
PDF: 8 pages
Proc. SPIE 0993, Integrated Optical Circuit Engineering VI, (6 December 1988); doi: 10.1117/12.960075
Show Author Affiliations
J. J. Pan, E-Tek Dynamics, Inc. (United States)

Published in SPIE Proceedings Vol. 0993:
Integrated Optical Circuit Engineering VI
Mark A. Mentzer, Editor(s)

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