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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: O. Gerstel and P. Iannone
  • Vol. 6, Iss. 7 — Jul. 1, 2014
  • pp: 610–618

40  Gbit/s Pulsed RZ-BPSK Transmission With a 40  GHz Self-Pulsated Distributed Feedback Laser Diode Mach–Zehnder Intensity Modulator Link

Yu-Chieh Chi, Huai-Yung Wang, Chih-Hsien Cheng, and Gong-Ru Lin  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 6, Issue 7, pp. 610-618 (2014)
http://dx.doi.org/10.1364/JOCN.6.000610


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Abstract

A self-starting pulsed encoding of a Mach–Zehnder intensity modulator (MZM) is demonstrated to generate a 40Gbit/s return-to-zero binary phase-shifted-keying (RZ-BPSK) data stream by using the optoelectronic feedback loop. By driving the MZM with an optoelectronic oscillator, both the electrical clock and the optical pulse train at 40 GHz can be extracted to deliver and trigger the synthesizer-free 40Gbit/s RZ-BPSK data. The pulsed RZ carrier with a pulsewidth of 10.5 ps provides a jitter as low as 150 fs and an extinction ratio as high as 7.8 dB, which is particularly suitable for the RZ-BPSK transmission at 40Gbit/s. The back-to-back transmitted synthesizer-free 40Gbit/s RZ-BPSK data with a pattern length of 2231 reveals a receiving power sensitivity of 16.3dBm at the requested bit error rate of 109 by setting the DC bias of the BPSK demodulator at 3.76 V. After 25 km single-mode-fiber transmission, the RZ-BPSK data indicates a power penalty of 4 dB when compared with the back-to-back case.

© 2014 Optical Society of America

OCIS Codes
(060.4080) Fiber optics and optical communications : Modulation
(060.4510) Fiber optics and optical communications : Optical communications
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Research Papers

History
Original Manuscript: May 1, 2013
Revised Manuscript: May 15, 2014
Manuscript Accepted: May 22, 2014
Published: June 16, 2014

Citation
Yu-Chieh Chi, Huai-Yung Wang, Chih-Hsien Cheng, and Gong-Ru Lin, "40  Gbit/s Pulsed RZ-BPSK Transmission With a 40  GHz Self-Pulsated Distributed Feedback Laser Diode Mach–Zehnder Intensity Modulator Link," J. Opt. Commun. Netw. 6, 610-618 (2014)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-6-7-610

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