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Conferences > CLEO_SI > 2020 > SW3R > SW3R.1

Passively Q-switched Er3+-doped ZBLAN fiber laser at ~3.5 μm based on a semiconductor saturable absorber mirror

Zhiqiang Fang, Zhixiang Deng, Jun Liu, Yu Chen, and Dianyuan Fan

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Abstract

By adopting a GaAs based semiconductor saturable absorber mirror (SESAM), we have demonstrated a ~3.5 μm passively Q-switched Er3+:ZBLAN fiber laser. The recorded highest repetition rate is 58.71 kHz with a pulse width of 2.4 μs and pulse energy of ~1 pJ. The results prove that the GaAs based SESAM has the capacity to extend the operation wavelength to midinfrared region beyond 3.0 μm.

© 2020 The Author(s)

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