Energy transfer mechanism and lasing performance in rare-earth-codoped ZBLAN

Zhicong Meng; Kazuhiro Nagamatsu; Mutsuhiro Higashihata; Yoshiki Nakata; Tatsuo Okada; Yoshinori Kubota; Natsuya Nishimura; Takuya Teshima

doi:10.1117/12.481023

29 August 2002 Energy transfer mechanism and lasing performance in rare-earth-codoped ZBLAN

Zhicong Meng, Kazuhiro Nagamatsu, Mutsuhiro Higashihata, Yoshiki Nakata, Tatsuo Okada, Yoshinori Kubota, Natsuya Nishimura, Takuya Teshima

Author Affiliations +

Proceedings Volume 4905, Materials and Devices for Optical and Wireless Communications; (2002) https://doi.org/10.1117/12.481023
Event: Asia-Pacific Optical and Wireless Communications 2002, 2002, Shanghai, China

Abstract

Energy transfer dynamics in fluorozirconate glass doubly-doped with Yb³⁺:Er³⁺ and Ce³⁺:Er³⁺ have been analyzed by using rate equation formalism. For the Yb³⁺:Er³⁺-ZBLAN glass, the macroscopic energy transfer parameters, cross-relaxation coefficients, were derived to be 1.1*10^-17s^-1cm³ and 2.0*10^-17s^-1cm³ for the forward energy transfer (Yb³⁺ → Er³⁺) and the backward transfer (Er³⁺ → Yb³⁺), respectively. After experimentally investigating fluorescence characteristics of Er³⁺ ions in the Ce³⁺:Er³⁺-ZBLAN glass, taking into account of up-conversion and energy transfer effect, a resonant cascade energy transfer model was developed, with which the operating mechanism of the Ce³⁺:Er³⁺-ZBLAN fiber laser was explained theoretically. The potentiality of the rare-earth-codoped fluoride glass as one of the most promising laser materials is demonstrated.

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Zhicong Meng, Kazuhiro Nagamatsu, Mutsuhiro Higashihata, Yoshiki Nakata, Tatsuo Okada, Yoshinori Kubota, Natsuya Nishimura, and Takuya Teshima "Energy transfer mechanism and lasing performance in rare-earth-codoped ZBLAN", Proc. SPIE 4905, Materials and Devices for Optical and Wireless Communications, (29 August 2002); https://doi.org/10.1117/12.481023

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