Elsevier

Optics Communications

Volume 479, 15 January 2021, 126446
Optics Communications

Investigation of multiphoton pumped stimulated emission in semiconductor material using femtosecond two pulses induced stimulated emission technique

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Highlights

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    We designed a novel femtosecond two pulses induced stimulated emission (FT-PISTE) spectroscopy.

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    The experimental setup of FT-PISTE is very simple with high temporal resolution.

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    Two laser pulse with the same center wavelength were used to pump semiconductor.

  • •

    The dynamics of excited-state carriers induced stimulated emission was clearly obtained.

Abstract

In this paper we introduce novel time-resolved photoluminescence spectroscopy called femtosecond two pulses induced stimulated emission spectroscopy, in which the generated nonlinear photoluminescence signal was used to identify the ultrafast dynamics of stimulated emission process in the semiconductor material. By employing two collinear fundamental femtosecond laser beams, we systematically investigated time-resolved multiphoton-induced amplified spontaneous emission in ZnO single crystal. Our results demonstrate the feasibility of this technique with the advantage of easy setup and high time resolution.

Section snippets

Declaration of Competing Interest

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Acknowledgments

This work is supported by National Key Research and Development Program of China (2016YFB0501604); National Natural Science Foundation of China (11774233, 11575062); ShanghaiTech Start-up Funding (F-0201-16-006); Foundation of STU and SIOM Joint Laboratory for Superintense Lasers and the Applications.

The data that support the findings of this study are available from the corresponding author upon reasonable request.

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    • Cited by (0)

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    W.Z and X.W contributed equally to this work.

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