Hybrid 1-D dielectric microcavity: Fabrication and spectroscopic assessment of glass-based sub-wavelength structures期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Hybrid 1-D dielectric microcavity: Fabrication and spectroscopic assessment of glass-based sub-wavelength structures

Affiliation:	1. IFN – CNR CSMFO Laboratory, via alla Cascata 56/C Povo, 38123 Trento, Italy;2. CSIRO Manufacturing Flagship, Ian Wark Laboratory, 3168 Clayton, Australia;3. Dipartimento di Fisica, Università di Trento, via Sommarive 14, Povo, 38123 Trento, Italy;4. School of Physics, University of Hyderabad, Hyderabad 500046, India;5. Institute of Low Temperature and Structure Research, PAS, 2 Okolna St., 50-422 Wroclaw, Poland;6. College of Engineering, Swansea University, Singleton Park, Swansea, UK;7. IFAC – CNR, MiPLab, Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy;8. Museo Storico della Fisica e Centro di Studi e Ricerche Enrico Fermi, P.zza Viminale 1, 00184 Roma, Italy;9. National Institute of Telecommunications, 1 Szachowa St., 04-894 Warsaw, Poland;10. Dipartimento di Ingegneria Industriale, Università di Padova, via Marzolo 9, 35122 Padova, Italy;1. Hunan Key Laboratory of Micro–Nano Energy Materials and Devices, Xiangtan University, Hunan 411105, PR China;2. Laboratory for Quantum Engineering Micro–Nano Energy Technology, School of Physics and Optoelectronics, Xiangtan University, Hunan 411105, PR China;1. School of Materials Science and Engineering, Anhui University of Technology, Maanshan 243002, PR China;2. Department of Electrical Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong;1. Escola Técnica de Saúde, Universidade Federal da Paraíba, Cidade Universitária, João Pessoa CEP 58051-900, PB, Brazil;2. Departamento de Engenharia de Materiais, Universidade Federal de Campina Grande, Av. Aprígio Veloso 882, Catolé, Campina Grande CEP 58 429-900, PB, Brazil;3. Departamento de Engenharia de Materiais, Universidade Federal da Paraíba, Cidade Universitária, João Pessoa CEP 58051-900, PB, Brazil;1. Department of Materials Science and Engineering, National Cheng Kung University, Tainan City 70101, Taiwan;2. Research Center for Energy Technology and Strategy, National Cheng Kung University, Tainan City 70101, Taiwan;3. Center for Micro/Nano Science and Technology, National Cheng Kung University, Tainan City 70101, Taiwan

Abstract:	Two different 1-D multilayer dielectric microcavities are presented, one activated by Er³⁺ ions fabricated by rf-sputtering and other one containing CdSe@Cd_0.5Zn_0.5S quantum dots obtained by a hybrid radio frequency-sputtering/solution deposition process. The rare-earth activated cavity is constituted by an Er³⁺ -doped SiO₂ active layer inserted between two Bragg reflectors consisting of 10 pairs of SiO₂/TiO₂ layers. Starting from the deposition procedure used for this cavity a fabrication protocol was defined with the aim to combine the high reproducibility allowed by the sputtering deposition for the fabrication of multilayers structures with the ability of fabricate films activated with highly luminescent quantum dots dispersed in polymeric matrix. In this case the cavity was constituted by poly-laurylmethacrylate host matrix containing CdSe@Cd_0.5Zn_0.5S quantum dots inserted between two Bragg reflectors consisting of 10 pairs of SiO₂/TiO₂ layers fabricated by rf-sputtering on SiO₂ substrate. The thicknesses of the films of the Bragg reflectors were tailored in order to reflect the visible radiation at around 650 nm. Transmittance spectra were employed to assess the optical features of the single Bragg gratings and whole samples. Luminescence measurements put in evidence that emissions strongly influenced by the presence of the cavities for both the samples.

Keywords:	C. Optical properties RF-sputtering Dielectric microcavities Photoluminescence
本文献已被 ScienceDirect 等数据库收录！

设为首页 | 免责声明 | 关于勤云 | 加入收藏