Bismuth-doped glass microsphere lasers | Zendy

Zaijin Fang | Zendy; Síle Nic Chormaic | Zendy; Shanyu Wang | Zendy; Xin Wang | Zendy; Jibo Yu | Zendy; Yuxuan Jiang | Zendy; Jianrong Qiu | Zendy; Pengfei Wang | Zendy

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Bismuth-doped glass microsphere lasers

Author(s) -

Zaijin Fang,

Síle Nic Chormaic,

Shanyu Wang,

Xin Wang,

Jibo Yu,

Yuxuan Jiang,

Jianrong Qiu,

Pengfei Wang

Publication year - 2017

Publication title -

photonics research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.066

H-Index - 56

ISSN - 2327-9125

DOI - 10.1364/prj.5.000740

Subject(s) - bismuth , materials science , glass microsphere , laser , bismuth germanate , fiber laser , doping , optical fiber , optoelectronics , optics , microsphere , glass fiber , composite material , wavelength , physics , chemical engineering , metallurgy , engineering , scintillator , detector

In this work, a hybrid structure consisting of a multicomponent germanate glass microsphere containing bismuth as a gain medium is proposed and presented. The bismuth-doped germanate glass microspheres were fabricated from a glass fiber tip with no precipitation of the bismuth metal. Coupling with a fiber taper, the bismuth-doped microsphere single-mode laser was observed to lase at around 1305.8 nm using 808 nm excitation. The low threshold of absorbed pump power at 215 μW makes this microlaser appealing for various applications, including tunable lasers for a range of purposes in telecommunication, biomedical, and optical information processing.

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