Analysis of Dual-Wavelength Oscillation in a Broad-Area Diode Laser Operated with an External Cavity
Applied Optics, Vol. 41, Issue 21, pp. 4347-4355 (2002)
http://dx.doi.org/10.1364/AO.41.004347
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Abstract
Apodizing holographic gratings used in an external cavity have shown to be effective to control the modal content of multimode broad-area diode lasers, providing single longitudinal-mode and single lateral-mode emission. They can also be designed to provide Littrow reflection at two wavelengths. We observed stable oscillation at two wavelengths in a diode laser with an external cavity ended with such a grating. This is not a common behavior for homogeneously broadened gain media. We present simulations of the behavior of this laser based on a rate equation analysis. The effects of spatial hole burning and spontaneous emission are examined.
© 2002 Optical Society of America
[Optical Society of America ]
OCIS Codes
(000.4430) General : Numerical approximation and analysis
(050.2770) Diffraction and gratings : Gratings
(090.2890) Holography : Holographic optical elements
(140.2020) Lasers and laser optics : Diode lasers
(140.3570) Lasers and laser optics : Lasers, single-mode
(220.1230) Optical design and fabrication : Apodization
Citation
Jean-François Lepage and Nathalie McCarthy, "Analysis of Dual-Wavelength Oscillation in a Broad-Area Diode Laser Operated with an External Cavity," Appl. Opt. 41, 4347-4355 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-21-4347
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