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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 3 — Feb. 2, 2009
  • pp: 1726–1733

WDM up-conversion employing frequency quadrupling in optical modulator

Po-Tsung Shih, Chun-Ting Lin, Wen-Jr Jiang, Jason (Jyehong) Chen, Han-Sheng Huang, Yu-Hung Chen, Peng-Chun Peng, and Sien Chi  »View Author Affiliations

Optics Express, Vol. 17, Issue 3, pp. 1726-1733 (2009)

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This work presents an optical up-conversion system with frequency quadrupling for wavelength-division-multiplexing (WDM) communication systems using a dual-parallel Mach-Zehnder modulator without optical filtering. Four-channel 1.25-Gb/s wired fiber-to-the-x (FTTx) and wireless radio-over-fiber (RoF) signals are generated and transmitted simultaneously. Moreover, the decline in receiver sensitivities due to Mach-Zehnder modulator bias drifts is also investigated. Receiver power penalties of the 20-GHz up-converted WDM signals and baseband (BB) FTTx signals are less than 1 dB when bias deviation voltage is less the 20% of the half-wave voltage. After transmission over a 50-km SSMF, the receiver power penalties of both the BB and 20-GHz RF OOK signals are less than 1 dB. Notably, 60-GHz optical up-conversion can be achieved using 15-GHz radio frequency (RF) components and equipment.

© 2009 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: November 7, 2008
Revised Manuscript: December 18, 2008
Manuscript Accepted: January 26, 2009
Published: January 29, 2009

Po-Tsung Shih, Chun-Ting Lin, Wen-Jr. Jiang, Jason (Jyehong) Chen, Han-Sheng Huang, Yu-Hung Chen, Peng-Chun Peng, and Sien Chi, "WDM up-conversion employing frequency quadrupling in optical modulator," Opt. Express 17, 1726-1733 (2009)

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