Semiconductor nanoring lasers

Lasing in a subwavelength metal-clad nanoring resonator has been demonstrated with a tunable emission wavelength, controlled by the width of the ring. The emission wavelength is shown to be tunable within a 10 nm wavelength range by changing the ring width between 240 and 340 nm. This property is ex...

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Bibliographic Details
Published in:Applied physics letters 2011-05, Vol.98 (20), p.201105-201105-3
Main Authors: Kim, Min W., Ku, P.-C.
Format: Article
Language:English
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Summary:Lasing in a subwavelength metal-clad nanoring resonator has been demonstrated with a tunable emission wavelength, controlled by the width of the ring. The emission wavelength is shown to be tunable within a 10 nm wavelength range by changing the ring width between 240 and 340 nm. This property is expected to mitigate a common nanolaser problem of fine-tuning the emission wavelength without significantly changing the laser dimensions.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.3592739