Transmission of Wireless and Wired Services Employing a Simple System Architecture

Wen Jr Jiang, Po Tsung Shih, Yu Hung Chen, Jyehong Chen, Chun-Ting Lin, Sien Chi

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

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.

Original languageEnglish
Pages (from-to)532-534
Number of pages3
JournalIEEE Photonics Technology Letters
Volume22
Issue number8
DOIs
StatePublished - 15 Apr 2010

Keywords

  • Mach-Zehnder modulator (MZM)
  • optical frequency multiplication
  • optical millimeter-wave
  • radio-over-fiber (RoF)
  • wavelength-division multiplexer (WDM)

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