Scheuer, Jacob and Green, William M. J. and DeRose, Guy and Yariv, Amnon (2004) Low-threshold two-dimensional annular Bragg lasers. Optics Letters, 29 (22). pp. 2641-2643. ISSN 0146-9592 http://resolver.caltech.edu/CaltechAUTHORS:SCHEol04
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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 µm. 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.
|Additional Information:||© 2004 Optical Society of America Received July 29, 2004 The authors thank Axel Scherer and Oskar Painter for access to fabrication facilities and George Paloczi and Reginald Lee for fruitful discussions. This work was supported by the National Science Foundation, the Defense Advanced Research Projects Agency, and the U.S. Air Force Off ice of Scientific Research.|
|Subject Keywords:||Optical resonators; Semiconductor lasers; Bragg reflectors; Integrated optoelectronic circuits|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Archive Administrator|
|Deposited On:||11 May 2006|
|Last Modified:||26 Dec 2012 08:52|
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