Please use this identifier to cite or link to this item: https://doi.org/10.1364/OE.27.014085
Title: Coexistence of air and dielectric modes in single nanocavity
Authors: Sun, Fujun
Wei, Jingxuan 
Dong, Bowei 
Ma, Yiming 
Chang, Yuhua 
Tian, Huiping
Lee, Chengkuo 
Keywords: Science & Technology
Physical Sciences
Optics
Issue Date: 13-May-2019
Publisher: OPTICAL SOC AMER
Citation: Sun, Fujun, Wei, Jingxuan, Dong, Bowei, Ma, Yiming, Chang, Yuhua, Tian, Huiping, Lee, Chengkuo (2019-05-13). Coexistence of air and dielectric modes in single nanocavity. OPTICS EXPRESS 27 (10) : 14085-14098. ScholarBank@NUS Repository. https://doi.org/10.1364/OE.27.014085
Abstract: A deterministic design method and experimental demonstration of single photonic crystal nanocavity supporting both air and dielectric modes in the mid-infrared wavelength region are reported here. The coexistence of both modes is realized by a proper design of photonic dispersion to confine air and dielectric bands simultaneously. By adding central mirrors to make the resonance modes be confined at the bandgap edges, high experimental Qfactors of 2.32 × 10 and 1.59 × 10 are achieved at the resonance wavelength of about 3.875μm and 3.728μm for fundamental dielectric and air modes, respectively. Moreover, multiple sets of air and dielectric modes can be realized by introducing central aperiodic mirrors with multiple bandgaps. The realization of coexistence of air and dielectric modes in single nanocavity will offer opportunities for multifunctional devices, paving the way to integrated multi-parameter sensors, filters, nonlinear devices, and compact light sources. 4 4
Source Title: OPTICS EXPRESS
URI: https://scholarbank.nus.edu.sg/handle/10635/190062
ISSN: 10944087
DOI: 10.1364/OE.27.014085
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