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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 10 — May. 15, 2006
  • pp: 1376–1378

10 Gbit s all-optical non-return to zero–return-to-zero data format conversion based on a backward dark-optical-comb injected semiconductor optical amplifier

Gong-Ru Lin, Kun-Chieh Yu, and Yung-Cheng Chang  »View Author Affiliations

Optics Letters, Vol. 31, Issue 10, pp. 1376-1378 (2006)

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By using a semiconductor optical amplifier backward injected by a dark-optical-comb pulse train at 10 GHz , we demonstrate a 10 Gbit s all-optical nonreturn-to-zero (NRZ) to return-to-zero (RZ) format conversion of an incoming optical pseudorandom binary sequence (PRBS) data strieam. Both the polarity and the wavelength of data are conserved during format conversion. Without any preamplification, the extinction ratio of degraded optical NRZ PRBS data is greatly improved from 7.13 to 13.6 dB after NRZ-to-RZ conversion. An ultralow bit-error rate of 10 12 at a data rate as high as 10 Gbits s is obtained with a received optical power of 18.3 dBm . The converted RZ PRBS data exhibit a negative power penalty of > 3.7 dB compared with the NRZ PRBS data at a bit-error rate of 10 12 .

© 2006 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(200.4560) Optics in computing : Optical data processing

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: October 31, 2005
Revised Manuscript: January 6, 2006
Manuscript Accepted: January 17, 2006

Gong-Ru Lin, Kun-Chieh Yu, and Yung-Cheng Chang, "10 Gbit/s all-optical non-return to zero-return-to-zero data format conversion based on a backward dark-optical-comb injected semiconductor optical amplifier," Opt. Lett. 31, 1376-1378 (2006)

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