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Optics Letters

Optics Letters


  • Vol. 25, Iss. 13 — Jul. 1, 2000
  • pp: 984–986

Spectral phase correlation of coded femtosecond pulses by second-harmonic generation in thick nonlinear crystals

Z. Zheng and A. M. Weiner  »View Author Affiliations

Optics Letters, Vol. 25, Issue 13, pp. 984-986 (2000)

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We demonstrate a novel all-optical scheme for measuring the correlation of spectrally phase-coded ultrashort optical waveforms that uses second-harmonic generation (SHG) in long, periodically poled lithium niobate crystals. The SHG yield can be controlled over a range of ~30 dB, depending on the correlation of the applied phase codes. Such a spectral phase correlator has applications for ultrashort-pulse optical code-division multiple-access networking and could serve as a nonlinear optical but classical analog for certain schemes for coherent quantum control of multiphoton processes.

© 2000 Optical Society of America

OCIS Codes
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing
(230.1150) Optical devices : All-optical devices
(320.5540) Ultrafast optics : Pulse shaping
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

Z. Zheng and A. M. Weiner, "Spectral phase correlation of coded femtosecond pulses by second-harmonic generation in thick nonlinear crystals," Opt. Lett. 25, 984-986 (2000)

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