Direct Measurement of Spectrally Selective Absorption Enhancement in Fano Resonance Photonic Crystal Cavities on Plastic Substrates

机译：在塑料基材上的扇形共振光子晶体腔中的光谱选择性吸收增强的直接测量

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We report direct measurement of spectrally selective absorption properties of PbSe and PbS colloidal quantum dots (CQDs) in Si nanomembrane photonic crystal cavities on flexible polyethylene terephthalate (PET) substrates.Enhanced optical absorption was obtained when CQD absorption overlaps with photonic crystal Fano resonances.On the other hand, no absorption was observed when the Fano resonance has no spectral overlap with the CQD absorption bands. The measurement results agree well with the simulation results obtained based on 3D FDTD and RCWA simulation techniques. Measured angular and polarization properties also agree well with Fano resonance transmission properties, which were obtained experimentally and, theoretically based on simulated dispersion properties and transmission properties. Bending induced spectral shifts were characterized for potentially flexible photonic device applications.

机译：我们在柔性聚对苯二甲酸乙二醇酯（PET）基板上，在Si NanoMembrane光子晶体腔中直接测量PBSE和PBS胶体量子点（CQDS）的光谱选择性吸收性能。当CQD吸收与光子晶体振荡重叠时，获得了抗光学吸收。另一方面，当FANO谐振没有与CQD吸收带没有光谱重叠时，没有观察到吸收。测量结果与基于3D FDTD和RCWA仿真技术获得的仿真结果很好。测量的角度和偏振性能与扇形共振传动特性很好，基于模拟分散性和传动特性，理论地获得。弯曲诱导的光谱移位的特征在于潜在的柔性光子器件应用。

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来源
《SPIE Conference on Photonic and phononic crystal materials and devices》|2010年||共8页
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Li Chen; Hongjun Yang; Zexuan Qiang; Lei Sung; Zhenqiang Ma; Jian Xu; Ryan Pate; Adrienne Stiff-Roberts; Gail J. Browns; Weidong Zhou;
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中图分类全集、选集;
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Colloidal quantum dots; Fano resonances; Photonic crystals; Infrared Absorption;

机译：胶体量子点;Fano共振;光子晶体;红外吸收;

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2. Spectrally selective infrared absorption in defect-mode photonic-crystal-slab cavity [J] . Weidong Zhou, Li Chen, Zexuan Qiang, Journal of Nanophotonics . 2007,第Null期

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3. Preparation of high-capacity substrates from polycrystalline silver chloride for the selective detection of tyrosine by surface-enhanced infrared absorption (SEIRA) measurements [J] . Rao G.P.C., Yang J. Analytical and bioanalytical chemistry . 2011,第9期

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4. Direct Measurement of Spectrally Selective Absorption Enhancement in Fano Resonance Photonic Crystal Cavities on Plastic Substrates [C] . Li Chen, rnHongjun Yang, rnZexuan Qiang, Photonic and phononic crystal materials and devices X . 2010

机译：在塑料基板上的Fano共振光子晶体腔中光谱选择性吸收增强的直接测量
5. Photonic crystal cavities for spectrally-selective optoelectronic devices. [D] . Yang, Hongjun. 2010

机译：用于光谱选择光电设备的光子晶体腔。
6. Gain enhanced Fano resonance in a coupled photonic crystal cavity-waveguide structure [O] . Yanhui Zhao, Chenjiang Qian, Kangsheng Qiu, -1

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7. Spectrally selective infrared absorption in defect-mode photonic-crystal-slab cavity [O] . Weidong Zhou, A Li Chen, A Zexuan Qiang, 2014

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8. Threshold Dependence on the Spectral Alignment Between the Quantum-Well Gain Peak and the Cavity Resonance in InGaAsP Photonic Crystal Lasers [R] . Cao, J. R. , Kuang, W. , Choi, S. , 2005

机译：InGaasp光子晶体激光器中量子阱和阱增益峰之间光谱对准的阈值独立性和腔谐振

Direct Measurement of Spectrally Selective Absorption Enhancement in Fano Resonance Photonic Crystal Cavities on Plastic Substrates

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