Paper
2 May 1994 Parallel modulation for high-speed communications
Serey Thai, David A. Garafalo
Author Affiliations +
Abstract
An integrated-optic parallel directional coupler waveguide modulator is the subject of this paper. The device consists of two directional coupler modulators in parallel so that a single laser can be used as a source. Advantages of one laser source are to minimize a relative frequency drift difference and allow for high speed communications on separate channels. Applications include television and videophone where audio and video signals can be transmitted simultaneously. A feedback phase shift noise reduction scheme will be investigated for high speed information flow with high fidelity and high linearity. As the result, the parallel modulation technique approaches transparent transmission which will increase the dynamic range and minimize signal distortions.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Serey Thai and David A. Garafalo "Parallel modulation for high-speed communications", Proc. SPIE 2149, Technologies for Optical Fiber Communications, (2 May 1994); https://doi.org/10.1117/12.175254
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KEYWORDS
Modulators

Modulation

Waveguides

Directional couplers

Wave propagation

Laser sources

Phase shift keying

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