Room temperature plasmon laser by total internal reflection

Details Room temperature plasmon laser by total internal reflection Room temperature plasmon laser by total internal reflection

2010-04-23

arxiv.org/abs/1004.4227v1

Physics

Optics

8 Page, 2 Figures

Scientific paper

Plasmon lasers create and sustain intense and coherent optical fields below light's diffraction limit with the unique ability to drastically enhance light-matter interactions bringing fundamentally new capabilities to bio-sensing, data storage, photolithography and optical communications. However, these important applications require room temperature operation, which remains a major hurdle. Here, we report a room temperature semiconductor plasmon laser with both strong cavity feedback and optical confinement to 1/20th of the wavelength. The strong feedback arises from total internal reflection of surface plasmons, while the confinement enhances the spontaneous emission rate by up to 20 times.

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