Broadband tunable hybrid photonic crystal-nanowire light emitter

25 Sep 2015  ·  Wilhelm Christophe E., Utama M. Iqbal Bakti, Xiong Qihua, Soci Cesare, Lehoucq Gaëlle, Dolfi Daniel, De Rossi Alfredo, Combrié Sylvain ·

We integrate about 100 single Cadmium Selenide semiconductor nanowires in self-standing Silicon Nitride photonic crystal cavities in a single processing run. Room temperature measurements reveal a single narrow emission linewidth, corresponding to a Q-factor as large as 5000... By varying the structural parameters of the photonic crystal, the peak wavelength is tuned, thereby covering the entire emission spectral range of the active material. A very large spectral range could be covered by heterogeneous integration of different active materials. read more

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Optics Materials Science