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Simultaneous suppression of IMD2 and IMD3 in analog electroabsorption modulation

✍ Scribed by Sung-Il Sohn; Sang-Kook Han

Book ID: 102517728
Publisher: John Wiley and Sons
Year: 2001
Tongue: English
Weight: 145 KB
Volume: 29
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.1182

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✦ Synopsis

Abstract

A linearized optical modulation scheme using a dual parallel electroabsorption modulator (EAM) and an RF 180° hybrid junction is proposed. The IMD2 generated by each EAM is suppressed by controlling the dc bias voltage of the EAM, and the IMD3 is suppressed by having a proper input optical power split ratio and an RF 180° hybrid junction. Reductions of both the IMD2 and the IMD3 at the same operation voltage were achieved, and a subsequent SFDR enhancement of 29 dB was obtained. © 2001 John Wiley & Sons, Inc. Microwave Opt Technol Lett 29: 373–376, 2001.

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