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Optics Letters

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  • 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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References

  1. P. J. Delfyett, L. T. Florez, N. Stoffel, T. Gmitter, N. Andreadakis, Y. Silberberg, J. P. Heritage, and G. Alphonse, IEEE J. Quantum Electron. 28, 2203 (1992).
  2. A. M. Weiner, Prog. Quantum Electron. 19, 161 (1995).
  3. T. Mukai, R. Wynands, and T. W. Hänsch, Opt. Commun. 95, 71 (1993).
  4. H. Shi, J. Finlay, G. A. Alphonse, J. C. Connolly, and P. J. Delfyett, IEEE Photon. Technol. Lett. 9, 1439 (1997).
  5. R. Trebino and D. J. Kane, J. Opt. Soc. Am. A 11, 2429 (1993).
  6. P. J. Delfyett, Y. Silberberg, and G. A. Alphonse, Appl. Phys. Lett. 59, 10 (1991).

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