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Optics Letters

Optics Letters


  • Vol. 27, Iss. 11 — Jun. 1, 2002
  • pp: 912–914

Self-sustained ultrafast pulsation in coupled vertical-cavity surface-emitting lasers

Cun-Zheng Ning  »View Author Affiliations

Optics Letters, Vol. 27, Issue 11, pp. 912-914 (2002)

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We demonstrate that high-frequency, narrow-band, self-pulsating intensity oscillation can be generated with two coupled vertical-cavity surface-emitting lasers (VCSELs) and that such oscillation is greatly enhanced by collecting one of the two field lobes. The coupled VCSELs provide an ideal source for high-repetition-rate (over 40 GHz), sinusoidallike modulated laser light with Gaussian-like near- and far-field profiles. We also show that the modulation frequency can be tuned by inter-VCSEL separation or by a dc bias level.

© 2002 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.2010) Lasers and laser optics : Diode laser arrays
(250.0250) Optoelectronics : Optoelectronics
(250.7260) Optoelectronics : Vertical cavity surface emitting lasers

Cun-Zheng Ning, "Self-sustained ultrafast pulsation in coupled vertical-cavity surface-emitting lasers," Opt. Lett. 27, 912-914 (2002)

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