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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 10 — May. 10, 2010
  • pp: 9879–9890

Time domain spectral phase encoding/DPSK data modulation using single phase modulator for OCDMA application

Xu Wang, Zhensen Gao, Nobuyuki Kataoka, and Naoya Wada  »View Author Affiliations


Optics Express, Vol. 18, Issue 10, pp. 9879-9890 (2010)
http://dx.doi.org/10.1364/OE.18.009879


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Abstract

A novel scheme using single phase modulator for simultaneous time domain spectral phase encoding (SPE) signal generation and DPSK data modulation is proposed and experimentally demonstrated. Array- Waveguide-Grating and Variable-Bandwidth-Spectrum-Shaper based devices can be used for decoding the signal directly in spectral domain. The effects of fiber dispersion, light pulse width and timing error on the coding performance have been investigated by simulation and verified in experiment. In the experiment, SPE signal with 8-chip, 20GHz/chip optical code patterns has been generated and modulated with 2.5 Gbps DPSK data using single modulator. Transmission of the 2.5 Gbps data over 34km fiber with BER<10−9 has been demonstrated successfully. The proposed scheme has simple configuration and improved flexibility that can significantly improve the data confidentiality for optical code division multiple access (OCDMA) and secure optical communication applications.

© 2010 OSA

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.5060) Fiber optics and optical communications : Phase modulation

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: March 4, 2010
Revised Manuscript: April 17, 2010
Manuscript Accepted: April 22, 2010
Published: April 27, 2010

Citation
Xu Wang, Zhensen Gao, Nobuyuki Kataoka, and Naoya Wada, "Time domain spectral phase encoding/DPSK data modulation using single phase modulator for OCDMA application," Opt. Express 18, 9879-9890 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-10-9879


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