A phase-modulated direct-detection fiber optical CATV transport system

A fiber optical CATV transport system based on phase modulation (PM) and direct-detection schemes to reduce noise and distortion induced by systems is proposed and experimentally demonstrated. The architecture of the proposed systems is simplified by the fiber-dispersion-induced PM-to-intensity modu...

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Bibliographic Details
Published inOptics communications Vol. 319; pp. 170 - 173
Main Authors Chen, Chia-Yi, Lu, Hai-Han, Lin, Chun-Yu, Wu, Kuan-Hung, Jhang, Tai-Wei, Ying, Cheng-Ling
Format Journal Article
LanguageEnglish
Published Elsevier B.V 15.05.2014
Subjects
Conversion
Delay
Direct-detection
Distortion
Fiber dispersion
Fiber optics
Interferometers
Modulation
Optical fibers
Phase modulation
PM-to-IM conversion
Transport
Phase modulation
Fiber dispersion
Direct-detection
PM-to-IM conversion
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Summary:A fiber optical CATV transport system based on phase modulation (PM) and direct-detection schemes to reduce noise and distortion induced by systems is proposed and experimentally demonstrated. The architecture of the proposed systems is simplified by the fiber-dispersion-induced PM-to-intensity modulation (IM) conversion technique. As a result, the optical signal is detected directly by a photodiode (PD), without using the sophisticated and expensive delay interferometer (DI). Impressive performances of carrier-to-noise ratio (CNR), composite second-order (CSO), and composite triple beat (CTB) were obtained in our proposed systems over a 100-km single-mode fiber (SMF) transport.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
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content type line 23
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2013.12.086