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Proceedings Paper

Analysis of the multielectrode linearized EA modulator
Author(s): YuLing Zhuang; Guoliang Li; William S. C. Chang; Paul K. L. Yu; Yet Zen Liu
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Paper Abstract

A new approach for linearizing electroabsorption modulators (EAM) is presented here. It will be very useful for broadband, analog, radio frequency fiber-optic links. In this approach, two or more EAM will be fabricated in series on the same waveguide. Theoretical analysis shows that cancellation of both the second order and third order harmonic distortions can be obtained simultaneously by using proper electrode length and by biasing appropriately the electrodes, leading to an enhancement of the multi-octave spurious free dynamic range (SFDR). Simulation shows that the SFDR of the optical link for the two-electrode case is 10 dB larger than that for a single electrode case. Experimental confirmation of the theoretical prediction on distortion reduction is also presented.

Paper Details

Date Published: 7 September 2000
PDF: 8 pages
Proc. SPIE 4112, Radio Frequency Photonic Devices and Systems, (7 September 2000); doi: 10.1117/12.399388
Show Author Affiliations
YuLing Zhuang, Univ. of California/San Diego (United States)
Guoliang Li, Univ. of California/San Diego (United States)
William S. C. Chang, Univ. of California/San Diego (United States)
Paul K. L. Yu, Univ. of California/San Diego (United States)
Yet Zen Liu, Fermionics Lasertech (United States)

Published in SPIE Proceedings Vol. 4112:
Radio Frequency Photonic Devices and Systems
Andrew R. Pirich; Anastasios P. Goutzoulis; Paul L. Repak, Editor(s)

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