We show that a semiconductor nanowire encased by a metal offers the smallest laser waveguide, despite the large Joule loss. The TM<sub>01</sub> mode immediately above its cut-off is most advantageous for making sub-wavelength lasers.
© 2007 OSA
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.5960) Lasers and laser optics : Semiconductor lasers
(240.0240) Optics at surfaces : Optics at surfaces
(240.6680) Optics at surfaces : Surface plasmons
A. V. Maslov and C. Ning, "Metal-Encased Semiconductor Nanowires as Waveguides for Ultrasmall Lasers," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2007), paper JWA121.
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