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Stable and efficient collection of single photons emitted from a semiconductor quantum dot into a single-mode optical fiber

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Title: Stable and efficient collection of single photons emitted from a semiconductor quantum dot into a single-mode optical fiber
Authors: Kumano, Hidekazu Browse this author →KAKEN DB
Harada, Takumi Browse this author
Suemune, Ikuo Browse this author →KAKEN DB
Nakajima, Hideaki Browse this author
Kuroda, Takashi Browse this author →KAKEN DB
Mano, Takaaki Browse this author →KAKEN DB
Sakoda, Kazuaki Browse this author →KAKEN DB
Odashima, Satoru Browse this author
Sasakura, Hirotaka Browse this author →KAKEN DB
Issue Date: Mar-2016
Publisher: Japan Society of Applied Physics
Journal Title: Applied Physics Express (APEX)
Volume: 9
Issue: 3
Start Page: 032801
Publisher DOI: 10.7567/APEX.9.032801
Abstract: We study stable and efficient coupling of single photons generated from a quantum dot (QD) into a single-mode fiber (SMF) prepared in a fiber couple module (FCM). We propose a method to focus the objective lens to a sample surface without imaging with the help of laser reflection. By assembling all the constituents, i.e., a pair of lenses, the SMF, and the optical alignment to the QD source, we demonstrate stable single-photon count rate and a high collection efficiency of 43.5% of the photons emitted in air from the QD into the collection lens in the FCM.
Rights: © 2016 The Japan Society of Applied Physics
Type: article (author version)
URI: http://hdl.handle.net/2115/64558
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 熊野 英和

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