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Proceedings Paper

Characterization of an electroabsorption modulator design with high-dynamic range for broadband analog applications
Author(s): Rebecca Bussjager; Reinhard Erdmann; Richard Michalak; Paul Cook; Brian McKeon; Henry Zmuda; Songsheng Tan; Nancy Stoffel; Charles Schick; Terrance McDonald; Paul Yu; Ivan Shubin; Xiaobo Xie
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Paper Abstract

An electroabsorption modulator (EAM) is designed to optimize dynamic range performance over 20 GHz bandwidth. The single stripe waveguide enables an extremely compact and integrated package to be fabricated with single mode fiber pigtails. The transfer function's shape permits suppression of higher order intermodulation products, yielding a spur-free dynamic range exceeding that of Mach- Zehnder designs. A dilute optical core diverts energy flow from absorbing layers into low loss waveguide; the 20 dBm optical power tolerance is significantly higher than that of commercially available electroabsorption devices. The tunable performance over 20 GHz is characterized and applications are discussed. New approaches to the broadband impedance matching requirements are calculated and the impact on system performance is assessed.

Paper Details

Date Published: 23 April 2008
PDF: 14 pages
Proc. SPIE 6975, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications IV, 69750N (23 April 2008); doi: 10.1117/12.784225
Show Author Affiliations
Rebecca Bussjager, Air Force Research Lab. (United States)
Reinhard Erdmann, Air Force Research Lab. (United States)
Richard Michalak, Air Force Research Lab. (United States)
Paul Cook, Air Force Research Lab. (United States)
Brian McKeon, Air Force Research Lab. (United States)
Henry Zmuda, Univ. of Florida (United States)
Songsheng Tan, Infotonics Technology Ctr. (United States)
Nancy Stoffel, Infotonics Technology Ctr. (United States)
Charles Schick, Infotonics Technology Ctr. (United States)
Terrance McDonald, Infotonics Technology Ctr. (United States)
Paul Yu, Univ. of California, San Diego (United States)
Ivan Shubin, Univ. of California, San Diego (United States)
Xiaobo Xie, Univ. of California, San Diego (United States)


Published in SPIE Proceedings Vol. 6975:
Enabling Photonics Technologies for Defense, Security, and Aerospace Applications IV
Michael J. Hayduk; Peter J. Delfyett; Andrew R. Pirich; Eric J. Donkor, Editor(s)

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