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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 16 — Aug. 15, 2007
  • pp: 2462–2464

Experimental observation of all-optical non-return-to-zero-to-return-to-zero format conversion based on cascaded second-order nonlinearity assisted by active mode-locking

Jian Wang, Junqiang Sun, Qizhen Sun, Dalin Wang, Minjuan Zhou, Xinliang Zhang, Dexiu Huang, and M. M. Fejer  »View Author Affiliations


Optics Letters, Vol. 32, Issue 16, pp. 2462-2464 (2007)
http://dx.doi.org/10.1364/OL.32.002462


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Abstract

We report the experimental demonstration of all-optical format conversion by exploiting the cascaded second-harmonic generation and difference-frequency generation (cSHG/DFG) in a periodically poled lithium niobate (PPLN) waveguide assisted by the reflective semiconductor optical amplifier (RSOA)-based active mode-locking. 10 and 20 Gbit s format conversions from non-return-to-zero (NRZ) to return-to-zero (RZ) are successfully observed. Two schemes with either the NRZ signal or the pump optical clock set at the quasi-phase matching (QPM) wavelength are both verified in the experiment.

© 2007 Optical Society of America

OCIS Codes
(070.4560) Fourier optics and signal processing : Data processing by optical means
(130.3730) Integrated optics : Lithium niobate
(190.4360) Nonlinear optics : Nonlinear optics, devices
(230.1150) Optical devices : All-optical devices

ToC Category:
Nonlinear Optics

History
Original Manuscript: April 2, 2007
Revised Manuscript: July 1, 2007
Manuscript Accepted: July 2, 2007
Published: August 14, 2007

Citation
Jian Wang, Junqiang Sun, Qizhen Sun, Dalin Wang, Minjuan Zhou, Xinliang Zhang, Dexiu Huang, and M. M. Fejer, "Experimental observation of all-optical non-return-to-zero-to-return-to-zero format conversion based on cascaded second-order nonlinearity assisted by active mode-locking," Opt. Lett. 32, 2462-2464 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-16-2462


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References

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