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Proceedings Paper

Broadband analog optical transmitter by feedforward compensation
Author(s): Yon-Tae Moon; Joon-Jae Lee; Young-Seol Yun; Jun-Woo Jang; Young-Wan Choi
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Paper Abstract

A feedforward over an analog optical link is known as difficult technique in spite of its superior linearization. We proposed a broadband analog feedforward optical transmitter using a wideband 180° hybrid coupler instead of conventional frequency-sensitive phase shifter with the narrow bandwidth property. Using the wideband 180° hybrid coupler, the wideband linearization technique enhances the wide operation frequency and simple adjustment of the feedforward optical transmitter. Our experimental results show the 3rd-IMDs enhancement more than 10 dB at 385 MHz range (1.375~1.76 GHz).

Paper Details

Date Published: 3 October 2006
PDF: 8 pages
Proc. SPIE 6353, Optical Transmission, Switching, and Subsystems IV, 63533V (3 October 2006); doi: 10.1117/12.689001
Show Author Affiliations
Yon-Tae Moon, Chung-Ang Univ. (South Korea)
Joon-Jae Lee, Chung-Ang Univ. (South Korea)
Young-Seol Yun, Chung-Ang Univ. (South Korea)
Jun-Woo Jang, Chung-Ang Univ. (South Korea)
Young-Wan Choi, Chung-Ang Univ. (South Korea)


Published in SPIE Proceedings Vol. 6353:
Optical Transmission, Switching, and Subsystems IV
Chang Soo Park; Shizhong Xie; Curtis R. Menyuk; Ken-ichi Kitayama, Editor(s)

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