Red-shift due to pump intensity in Er:ZBLALiP whispering-gallery mode lasers | Zendy

Patrice Fron | Zendy; Zhiping Cai | Zendy; Huiying Xu | Zendy; G. Stéphan | Zendy; Philippe Goldner | Zendy; Michel Mortier | Zendy

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Red-shift due to pump intensity in Er:ZBLALiP whispering-gallery mode lasers

Author(s) -

Patrice Fron,

Zhiping Cai,

Huiying Xu,

G. Stéphan,

Philippe Goldner,

Michel Mortier

Publication year - 2003

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.470370

Subject(s) - materials science , photon upconversion , whispering gallery wave , erbium , laser , fiber laser , optics , glass microsphere , barium fluoride , blueshift , refractive index , thermal expansion , optical fiber , fluoride , optoelectronics , fiber , doping , microsphere , photoluminescence , composite material , chemistry , chemical engineering , nuclear physics , engineering , inorganic chemistry , physics

conference 4944 " Integrated Optical Devices: Fabrication and Testing ", session 1 " Microcavities and Photonic Crystals [4944-4]International audienceA new kind of Erbium doped heavy fluoride glass Er:ZBLALiP has been studied. Microspheres were fabricated with this fluoride glass. Whispering Gallery Mode laser spectra around 1550 nm were analyzed for different sphere diameters and Erbium concentrations (from 0.01% to 0.2% by mole) under pumping by a fiber taper at 1480 nm. Red-shift effect on the frequencies of both fluorescence and laser spectra is experimentally observed when the pump power is increased, originating from thermal effects. A spectroscopic technique based on the green upconversion fluorescence is used to compute a loading effective temperature for the Er:ZBLALiP microsphere and this further allows us to calibrate the properties of the microsphere laser in terms of the thermal expansion as well as the variation of the refractive index

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