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Opt Express. 2016 Jan 11;24(1):437-42. doi: 10.1364/OE.24.000437.

Ultra-thin plasmonic random lasers.


An ultrathin plasmonic random laser is fabricated by a simple lift off process, which consists of a free-standing polymer membrane embedded with silver nanoparticles. Low threshold random lasing is observed when the 200-nm-thick membrane device is optically pumped, due to the strong plasmonic feedback and high-quality waveguide confinement provided by the silver nanoparticles and the polymer membrane, respectively. The free-standing polymer membrane is very flexible and transplantable, which can be attached to an optical fiber end face to achieve random lasing. This fabrication technique provides a promising way to realize plasmonic random lasing on surfaces with arbitrary shapes.


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