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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 11 — May. 23, 2011
  • pp: 10587–10594

All-optical binary phase-coded UWB signal generation for multi-user UWB communications

Jianji Dong, Yuan Yu, Yin Zhang, Xiang Li, Dexiu Huang, and Xinliang Zhang  »View Author Affiliations


Optics Express, Vol. 19, Issue 11, pp. 10587-10594 (2011)
http://dx.doi.org/10.1364/OE.19.010587


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Abstract

An all-optical incoherent scheme for generation of binary phase-coded ultra-wideband (UWB) signals is proposed and experimentally demonstrated. The binary phase coding is performed based on all-optical phase modulation in a semiconductor optical amplifier (SOA) and phase modulation to intensity modulation (PM-IM) conversion in a fiber delay interferometer (DI) that serves as a multichannel frequency discriminator. By locating the phase-modulated light waves at the positive and negative slopes of the DI transmission spectra, binary phase encoded UWB codes (0 and π) are generated. We also experimentally demonstrate a bipolar UWB coding system with a code length of 4, operating at 1.25 Gb/s. And the decoding is analyzed as well. Our proposed system has potential application in future high-speed UWB impulse radio over optical fiber access networks.

© 2011 OSA

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4080) Fiber optics and optical communications : Modulation
(250.5980) Optoelectronics : Semiconductor optical amplifiers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: March 16, 2011
Revised Manuscript: April 20, 2011
Manuscript Accepted: April 23, 2011
Published: May 13, 2011

Citation
Jianji Dong, Yuan Yu, Yin Zhang, Xiang Li, Dexiu Huang, and Xinliang Zhang, "All-optical binary phase-coded UWB signal generation for multi-user UWB communications," Opt. Express 19, 10587-10594 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-11-10587


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