21 February 2011 Surface plasmon lasers
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Surface Plasmon Polariton (SPP) modes have attracted many minds for over 100 years. Confining light to dimensions smaller than its propagating wavelength, point towards technological possibilities, such as optical circuitry within ultra small computer processors or, small biochemical sensors. As for other lasers, surface plasmon lasers (SPL) require gain and feedback. Yet, quenching of the fluorescence and induced current losses by the metal interface almost proved SPL to be unattainable. Such impediments were circumvented by a periodic design on the nano scale, which reduced the losses and maintained gain of a few ten thousands per cm.
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H. Grebel, H. Grebel, } "Surface plasmon lasers", Proc. SPIE 7922, Synthesis and Photonics of Nanoscale Materials VIII, 79220B (21 February 2011); doi: 10.1117/12.871519; https://doi.org/10.1117/12.871519

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