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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 6, Iss. 8 — Aug. 10, 2008
  • pp: 550–552

A cost-effective 100-Gb/s transmitter with low-speed optoelectronic devices and high spectral efficiency

Junming Gao, Qingjiang Chang, Tao Wang, and Yikai Su  »View Author Affiliations


Chinese Optics Letters, Vol. 6, Issue 8, pp. 550-552 (2008)


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Abstract

A 100-Gb/s high-speed optical transmitter is proposed and experimentally demonstrated. Based on frequency-quadrupling technique, two sub-channels with a fixed 50-GHz spacing are obtained from one laser source. Using return-to-zero differential quadrature phase-shift keying (RZ-DQPSK) modulation format and polarization multiplexing (PolMux), only low-speed electronic devices of 12.5 GHz are needed for the 100-Gb/s transmitter. This eliminates the need of ultrahigh-speed optoelectronic devices and thus greatly reduces the cost. The experimental results show that this transmitter can achieve good performance in dispersion tolerance of a 25-km single mode fiber (SMF).

© 2008 Chinese Optics Letters

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(060.5060) Fiber optics and optical communications : Phase modulation

Citation
Junming Gao, Qingjiang Chang, Tao Wang, and Yikai Su, "A cost-effective 100-Gb/s transmitter with low-speed optoelectronic devices and high spectral efficiency," Chin. Opt. Lett. 6, 550-552 (2008)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-6-8-550


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