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Control of spontaneous emission coupling factor β in fiber-coupled microsphere resonators

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/32714

Title: Control of spontaneous emission coupling factor β in fiber-coupled microsphere resonators
Authors: Takashima, Hideaki Browse this author
Fujiwara, Hideki Browse this author →KAKEN DB
Takeuchi, Shigeki Browse this author →KAKEN DB
Sasaki, Keiji Browse this author →KAKEN DB
Takahashi, Masahide Browse this author
Issue Date: 21-Feb-2008
Publisher: American Institute of Physics
Journal Title: Applied Physics Letters
Volume: 92
Issue: 7
Start Page: 071115-1
End Page: 071115-3
Publisher DOI: 10.1063/1.2884329
Abstract: The spontaneous emission coupling factor is studied for fiber-coupled microspheres with a thin gain layer of phosphorus codoped sol-gel erbium silica-aluminum glass. From the input-output characteristics of the lasing, =0.039 is estimated for a sample with a gain layer on the sphere surface. is estimated to increase to 0.19 when an additional silica glass thin layer is overcoated to improve the overlap between the gain layer and the optical mode of the lasing inside the sphere.
Rights: © 2008 American Institute of Physics.
Type: article
URI: http://hdl.handle.net/2115/32714
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: 竹内 繁樹

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