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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 3 — Feb. 10, 2014
  • pp: 2798–2806

Gaussian-like dual-wavelength prescaled clock recovery with simultaneous frequency-doubled clock recovery using an optoelectronic oscillator

Qiang Wang, Li Huo, Yanfei Xing, Dong Wang, Xin Chen, Caiyun Lou, and Bingkun Zhou  »View Author Affiliations


Optics Express, Vol. 22, Issue 3, pp. 2798-2806 (2014)
http://dx.doi.org/10.1364/OE.22.002798


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Abstract

A novel multifunctional frequency-doubling optoelectronic oscillator (FD-OEO) mainly based on a Mach-Zehnder modulator (MZM) cascaded with a phase modulator (PM) and a subsequent optical bandpass filter (OBPF) is proposed. We experimentally demonstrate simultaneous operations of frequency-doubled optical clock (FD-OC) recovery, low-duty-cycle dual-wavelength prescaled OC recovery and error-free fourfold time division demultiplexing with the proposed OEO injected with a 4 × 25-Gb/s optical time-division-multiplexing (OTDM) signal. We show that the proposed FD-OEO operates well for both the differential phase shift keying (DPSK) and on-off keying (OOK) modulation formats. The extracted dual-wavelength prescaled OC is proved to be nearly transform-limited with Gaussian-like shape. Furthermore, all four 25-Gb/s tributaries can be selectively demultiplexed by adjusting the phase shifters in the OEO loop. The power penalty at a bit error rate (BER) of 10−9 is measured to be 2.4 dB, 1.2 dB for the best channel for DPSK signal and to be 2.5 dB, 1.1 dB for the best channel for OOK signal. In addition, as an extra benefit of the OEO, low-phase-noise prescaled electrical clock (EC) is also extracted.

© 2014 Optical Society of America

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(060.5060) Fiber optics and optical communications : Phase modulation
(250.4110) Optoelectronics : Modulators

ToC Category:
Optical Communications

History
Original Manuscript: December 11, 2013
Revised Manuscript: January 23, 2014
Manuscript Accepted: January 24, 2014
Published: January 30, 2014

Citation
Qiang Wang, Li Huo, Yanfei Xing, Dong Wang, Xin Chen, Caiyun Lou, and Bingkun Zhou, "Gaussian-like dual-wavelength prescaled clock recovery with simultaneous frequency-doubled clock recovery using an optoelectronic oscillator," Opt. Express 22, 2798-2806 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-3-2798


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