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Optics Letters

Optics Letters


  • Vol. 29, Iss. 22 — Nov. 15, 2004
  • pp: 2641–2643

Low-threshold two-dimensional annular Bragg lasers

Jacob Scheuer, William M. J. Green, Guy DeRose, and Amnon Yariv  »View Author Affiliations

Optics Letters, Vol. 29, Issue 22, pp. 2641-2643 (2004)

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Lasing at telecommunication wavelengths from annular resonators employing radial Bragg reflectors is demonstrated at room temperature under pulsed optical pumping. Submilliwatt pump threshold levels are observed for resonators with 0.5–1.5-wavelength-wide defects of radii 7–8=m. The quality factors of the resonator modal fields are estimated to be of the order of a few thousand. The electromagnetic field is shown to be guided by the defect. Good agreement is found between the measured and the calculated spectra.

© 2004 Optical Society of America

OCIS Codes
(140.4780) Lasers and laser optics : Optical resonators
(140.5960) Lasers and laser optics : Semiconductor lasers
(230.1480) Optical devices : Bragg reflectors
(250.3140) Optoelectronics : Integrated optoelectronic circuits

Jacob Scheuer, William M. J. Green, Guy DeRose, and Amnon Yariv, "Low-threshold two-dimensional annular Bragg lasers," Opt. Lett. 29, 2641-2643 (2004)

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