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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 5 — Mar. 11, 2013
  • pp: 6459–6465

Experimental demonstration of 10 Gb/s multi-level carrier-less amplitude and phase modulation for short range optical communication systems

Li Tao, Yiguang Wang, Yuliang Gao, Alan Pak Tao Lau, Nan Chi, and Chao Lu  »View Author Affiliations


Optics Express, Vol. 21, Issue 5, pp. 6459-6465 (2013)
http://dx.doi.org/10.1364/OE.21.006459


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Abstract

Carrier-less amplitude and phase (CAP) modulation can be a good candidate for short range optical communications for considerable computational complexity reduction and simple system structure. In this paper, a detailed investigation on the digital filters in CAP modulation system is presented. An adaptive equalizer based on cascaded multi-modulus algorithm (CMMA) is used for the demodulation at the receiver. The impact of digital filter taps on system performance is investigated through comprehensive simulations and a 10 Gb/s CAP16 modulation system is demonstrated experimentally. The BER performance for different length of fiber link is measured. Compared with back-to-back (BTB) transmissions, 2 dB and 3.5 dB receiver power penalty are observed at BER of 10−3 for 20 km and 40 km fiber link respectively. It clearly demonstrates the feasibility of the CAP16 modulation for the short range transmission systems.

© 2013 OSA

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.4080) Fiber optics and optical communications : Modulation

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: January 18, 2013
Revised Manuscript: February 22, 2013
Manuscript Accepted: February 22, 2013
Published: March 7, 2013

Citation
Li Tao, Yiguang Wang, Yuliang Gao, Alan Pak Tao Lau, Nan Chi, and Chao Lu, "Experimental demonstration of 10 Gb/s multi-level carrier-less amplitude and phase modulation for short range optical communication systems," Opt. Express 21, 6459-6465 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-5-6459


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References

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