標題: High-index sensitivity of surface mode in photonic crystal hetero-slab-edge microcavity
作者: Lu, Tsan-Wen
Hsiao, Yi-Hua
Ho, Wei-De
Lee, Po-Tsung
光電工程學系
Department of Photonics
公開日期: 1-五月-2010
摘要: We introduce a photonic crystal hetero-slab-edge microcavity design with surface mode, which is beneficial for optical index sensing. The simulated index sensitivity (R(n)) as high as 675 nm per refractive index unit (nm/RIU) variation is obtained with slab thickness of 180 nm. In experiments, single surface mode lasing action from a real device is observed. Based on the surface mode in this microcavity, high experimental R(n) value of 625 nm/RIU is achieved by detecting index variation in a CO(2) chamber with different gas pressures. (C) 2010 Optical Society of America
URI: http://dx.doi.org/10.1364/OL.35.001452
http://hdl.handle.net/11536/5448
ISSN: 0146-9592
DOI: 10.1364/OL.35.001452
期刊: OPTICS LETTERS
Volume: 35
Issue: 9
起始頁: 1452
結束頁: 1454
顯示於類別:期刊論文


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