標題: Transmission of Wireless and Wired Services Employing a Simple System Architecture
作者: Jiang, Wen-Jr
Lin, Chun-Ting
Shih, Po-Tsung
Chen, Yu-Hung
Chen, Jason (Jyehong)
Chi, Sien
光電工程學系
Department of Photonics
關鍵字: Mach-Zehnder modulator (MZM);optical frequency multiplication;optical millimeter-wave;radio-over-fiber (RoF);wavelength-division multiplexer (WDM)
公開日期: 15-四月-2010
摘要: This letter presents a novel modulation approach for simultaneous generation and transmission of optical radio-frequency (RF) wireless vector signal and baseband (BB) wireline signal using a single-electrode Mach-Zehnder modulator. Based on a double sideband with carrier suppression scheme and properly predistorted driving vector signal, a 2.5-Gb/ s quadrature phase-shift keying (QPSK) signal at 60 GHz is generated with a 1.25-Gb/ s BB ON-OFF-keying (OOK) signal. The proposed system can carry higher spectral efficiency vector signals and needs no optical filter to separate the BB and RF signals at remote nodes. Moreover, optical RF signal generation with frequency doubling is also achieved to reduce the bandwidth requirement of the transmitter. After transmission over 25-km single-mode fiber, the power penalties of the generated QPSK and OOK signals are about 4 and 0.1 dB, respectively.
URI: http://dx.doi.org/10.1109/LPT.2010.2041221
http://hdl.handle.net/11536/5515
ISSN: 1041-1135
DOI: 10.1109/LPT.2010.2041221
期刊: IEEE PHOTONICS TECHNOLOGY LETTERS
Volume: 22
Issue: 8
起始頁: 532
結束頁: 534
顯示於類別:期刊論文


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