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Proceedings Paper

100-Mbps resonant cavity phase modulator for coherent optical communications
Author(s): Chien-Chung Chen; Deborah L. Robinson; Hamid Hemmati
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Paper Abstract

A resonant cavity electro-optic phase modulator has been designed and implemented to operate at a data rate of 100 Mbps. The modulator consists of an electro-optic crystal located in a highly resonant cavity. The cavity is electro-optically tuned on and off resonance, and the phase dispersion near the cavity resonance provides the output phase modulation. The performance of the modulator was measured by first heterodyne detecting the signal to an intermediate frequency and then measuring the spectral characteristics using an RF spectrum analyzer. The measured phase shift is shown to be in good agreement with the theoretical predictions.

Paper Details

Date Published: 9 June 1992
PDF: 9 pages
Proc. SPIE 1635, Free-Space Laser Communication Technologies IV, (9 June 1992); doi: 10.1117/12.59280
Show Author Affiliations
Chien-Chung Chen, Jet Propulsion Lab. (United States)
Deborah L. Robinson, Jet Propulsion Lab. (United States)
Hamid Hemmati, Jet Propulsion Lab. (United States)


Published in SPIE Proceedings Vol. 1635:
Free-Space Laser Communication Technologies IV
David L. Begley; Bernard D. Seery, Editor(s)

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