Open AccessBidirectional direct modulation CATV and phase remodulation radio-over-fiber transport systems
Author(s) -
Wen-Shing Tsai,
Hongfang Ma,
HaiHan Lu,
Ying-Pyng Lin,
Hung-Yi Chen,
Shr-Chi Yan
Publication year - 2010
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.18.026077
Subject(s) - modulation (music) , carrier to noise ratio , transmission (telecommunications) , optics , phase modulation , pilot signal , beat (acoustics) , optical fiber , bit error rate , analog transmission , signal (programming language) , transmission system , telecommunications , computer science , phase noise , electronic engineering , physics , signal to noise ratio (imaging) , acoustics , engineering , channel (broadcasting) , analog signal , programming language
A bidirectional lightwave transport system employing direct modulation CATV and phase remodulation radio-over-fiber (ROF) signals in two-way transmission is proposed and experimentally demonstrated. To be the first system of reusing the phase of the transmitting lightwave with multi-carrier analog CATV signal, the transmission performances of CATV and ROF signals are investigated in bidirectional way, with the help of optical band-pass filters (OBPFs) at the receiving sites. Through a serious investigation, the transmitting light sources are successfully remodulated with RF signals for transmission. Brilliant transmission performances of composite second-order (CSO), composite triple-beat (CTB), and bit error rate (BER) were obtained; accompanied with acceptable carrier-to-noise ratio (CNR) value. This proposed system reveals a prominent one with economy and convenience to be installed.