Presentation 2007-07-20
A Study on Transmitter Structure and Modulator Imperfection for Electronic Dispersion Pre-compensation
Takashi SUGIHARA, Katsuhiro SHIMIZU, Takashi MIZUOCHI, Hiroshi KUBO,
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Abstract(in English) Electronic pre-compensation at the transmitter side for equalizing chromatic dispersion in optical fiber transmission systems has been rigorously investigated. In the pre-compensator, an optical I/Q modulator is usually used to generate an arbitrary complex electric field. However, this conventional structure has a problem with unwanted excess loss. We have proposed a novel electronic pre-compensator with coordinate transformation. The excess loss of the dual parallel MZM was improved by up to 3dB thanks to the π/4 axis rotation in the transformation. We also show the tolerance to bias error of the modulator. The numerical results show that the proposed method is effective in diminishing the insertion loss of the modulator.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Pre-compensation / Electronic Dispersion Compensation / Pre-distortion / I/Q modulator
Paper # OCS2007-22
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Conference Information
Committee OCS
Conference Date 2007/7/13(1days)
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Registration To Optical Communication Systems (OCS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Study on Transmitter Structure and Modulator Imperfection for Electronic Dispersion Pre-compensation
Sub Title (in English)
Keyword(1) Pre-compensation
Keyword(2) Electronic Dispersion Compensation
Keyword(3) Pre-distortion
Keyword(4) I/Q modulator
1st Author's Name Takashi SUGIHARA
1st Author's Affiliation Mitsubishi Electric Corporation, Information Technology R&D Center()
2nd Author's Name Katsuhiro SHIMIZU
2nd Author's Affiliation Mitsubishi Electric Corporation, Information Technology R&D Center
3rd Author's Name Takashi MIZUOCHI
3rd Author's Affiliation Mitsubishi Electric Corporation, Information Technology R&D Center
4th Author's Name Hiroshi KUBO
4th Author's Affiliation Mitsubishi Electric Corporation, Information Technology R&D Center
Date 2007-07-20
Paper # OCS2007-22
Volume (vol) vol.107
Number (no) 153
Page pp.pp.-
#Pages 6
Date of Issue