Broadband tunable hybrid photonic crystal-nanowire light emitter

• Main Authors: Wilhelm, Christophe E., Utama, Muhammad Iqbal Bakti, Lehoucq, Gaelle, Xiong, Qihua, Soci, Cesare, Dolfi, Daniel, De Rossi, Alfredo, Combrié, Sylvain
• Other Authors: School of Electrical and Electronic Engineering
• Format: Article
• Language: English
• Published: 2017
• Subjects: Photonic crystal; Semiconductor nanowires
• Online Access: https://hdl.handle.net/10356/85135; http://hdl.handle.net/10220/43637
• Institution: Nanyang Technological University

We integrate about 100 single cadmium selenide semiconductor nanowires in silicon nitride photonic crystal cavities in a single processing run. Room temperature measurements reveal a single and 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 changed, 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.