Surface-plasmon mode hybridization in sub-wavelength microdisk lasers

Details Surface-plasmon mode hybridization in sub-wavelength microdisk lasers Surface-plasmon mode hybridization in sub-wavelength microdisk lasers

2009-08-25

arxiv.org/abs/0908.3515v1

Appl. Phys. Lett. 95, 201114 (2009)

Physics

Optics

4 pages, 4 figures

Scientific paper

10.1063/1.3266843

Hybridization of surface-plasmon and dielectric waveguide whispering-gallery modes are demonstrated in a semiconductor microdisk laser cavity of sub-wavelength proportions. A metal layer is deposited on top of the semiconductor microdisk, the radius of which is systematically varied to enable mode hybridization between surface-plasmon and dielectric modes. The anti-crossing behavior of the two cavity mode types is experimentally observed via photoluminescence spectroscopy and optically pumped lasing action at a wavelength of 1.3 micron is achieved at room temperature.

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