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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 24, Iss. 4 — Feb. 15, 1999
  • pp: 238–240

Demonstration of phase correlation in multiwavelength mode-locked semiconductor diode lasers

H. Shi, I. Nitta, A. Schober, P. J. Delfyett, G. Alphonse, and J. Connolly  »View Author Affiliations


Optics Letters, Vol. 24, Issue 4, pp. 238-240 (1999)
http://dx.doi.org/10.1364/OL.24.000238


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Abstract

Wideband spectral phase correlation is demonstrated from a multiwavelength mode-locked semiconductor laser. By use of frequency-resolved optical gating techniques, significant phase correlation was observed between multiple intracavity oscillating wavelengths, with wavelength separations of ~1 nm . The resultant temporal characteristics show a substantial modulation owing to the spectral coupling induced by intracavity-generated four-wave mixing. This result may lead to novel methods for directly generating ultrafast subpicosecond optical pulse sequences with spectrally tailored amplitude and phase characteristics from actively mode-locked semiconductor lasers.

© 1999 Optical Society of America

OCIS Codes
(140.4050) Lasers and laser optics : Mode-locked lasers
(140.5960) Lasers and laser optics : Semiconductor lasers
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(250.5980) Optoelectronics : Semiconductor optical amplifiers
(320.7120) Ultrafast optics : Ultrafast phenomena

Citation
H. Shi, I. Nitta, A. Schober, P. J. Delfyett, G. Alphonse, and J. Connolly, "Demonstration of phase correlation in multiwavelength mode-locked semiconductor diode lasers," Opt. Lett. 24, 238-240 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-4-238

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