標題: Design of metal-dielectric grating lasers only supporting surface-wave-like modes
作者: Chiang, Po-Jui
Chang, Shu-Wei
光電工程學系
Department of Photonics
公開日期: 17-Nov-2014
摘要: We present a prototype of semiconductor lasers with plasmonic periodic structures that only support transverse-magnetic modes at telecommunication wavelengths. The structure does not sustain transverse-electric guided modes which are irrelevant to surface-wave-enhanced applications, and lasing modes must be surface-wave-like. With thin low-index dielectric buffers near the metal surface, the threshold gain is kept at a decent level around the photonic band edge. Thin windows are then opened on the metal surface to let out significant surface fields. This facilitates usages of surface waves for the spectroscopy and sensing. (C) 2014 Optical Society of America
URI: http://dx.doi.org/10.1364/OE.22.027845
http://hdl.handle.net/11536/123899
ISSN: 1094-4087
DOI: 10.1364/OE.22.027845
期刊: OPTICS EXPRESS
Volume: 22
Issue: 23
起始頁: 27845
結束頁: 27858
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