title: Colloidal PbSe quantum dot-solution-filled liquid-core optical fiber for 1.55 μm telecommunication wavelengths.
abstract: We have studied the optical properties of PbSe colloidal quantum dot-solution filled hollow core multimode silica waveguides as a function of quantum dot-solution concentration, waveguide length, optical pump power and choice of organic solvent in order to establish the conditions to maximize near infrared spontaneous emission intensities. The optical performance was compared and showed good agreement with a simple three level system model for the quantum dots confined in an optical waveguide. Near infrared absorption-free solvent of tetrachlorethylene was confirmed to be a good candidate for the waveguide medium due to the enhancement of output intensity from the liquid-core fiber compared to the performance in toluene-based fiber. This approach demonstrates a useful method for early characterization of quantum dot materials in a waveguide test-bed with minimal material processing on the colloidal nanoparticles.
authors: State Key Laboratory on Integrated Optoelectronics and College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China.|College of Physics, and State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, People's Republic of China.
authors: Lei
authors: L
authors: Zhang
authors: State Key Laboratory on Integrated Optoelectronics and College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China.|College of Physics, and State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, People's Republic of China.|Department of Physics and Materials Science and Centre for Functional Photonics (CFP), City University of Hong Kong, Hong Kong SAR, People's Republic of China.
authors: Yu
authors: Y
authors: Zhang
authors: Department of Physics and Materials Science and Centre for Functional Photonics (CFP), City University of Hong Kong, Hong Kong SAR, People's Republic of China.
authors: Steve V
authors: SV
authors: Kershaw
authors: Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA.
authors: Yanhui
authors: Y
authors: Zhao
authors: Department of Physics and Materials Science and Centre for Functional Photonics (CFP), City University of Hong Kong, Hong Kong SAR, People's Republic of China.
authors: Yu
authors: Y
authors: Wang
authors: College of Physics, and State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, People's Republic of China.
authors: Yongheng
authors: Y
authors: Jiang
authors: College of Physics, and State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, People's Republic of China.
authors: Tieqiang
authors: T
authors: Zhang
authors: State Key Laboratory on Integrated Optoelectronics and College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China.
authors: William W
authors: WW
authors: Yu
authors: State Key Laboratory on Integrated Optoelectronics and College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China.
authors: Pengfei
authors: P
authors: Gu
authors: State Key Laboratory on Integrated Optoelectronics and College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China.
authors: Yiding
authors: Y
authors: Wang
authors: College of Physics, and State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, People's Republic of China.
authors: Hanzhuang
authors: H
authors: Zhang
authors: Department of Physics and Materials Science and Centre for Functional Photonics (CFP), City University of Hong Kong, Hong Kong SAR, People's Republic of China.
authors: Andrey L
authors: AL
authors: Rogach