High-peak-power short-pulse generation from photonic-crystal surface-emitting lasers

Takuya Inoue; Ryohei Morita; Susumu Noda

doi:10.1117/12.2649008

17 March 2023 High-peak-power short-pulse generation from photonic-crystal surface-emitting lasers

Takuya Inoue, Ryohei Morita, Susumu Noda

Proceedings Volume PC12440, Novel In-Plane Semiconductor Lasers XXII; PC124400C (2023) https://doi.org/10.1117/12.2649008
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

In this talk, we review our recent progress on short-pulse, high-peak-power Photonic-Crystal Surface-Emitting Lasers (PCSELs). First, we propose PCSELs that have 2D arranged gain and loss, which enable high-peak-power, short-pulse operation in the fundamental mode while suppressing lasing in higher-order modes. Based on this design, we demonstrate short-pulse generation with a peak power of several tens of watts and a short pulse width of <40 ps. To further increase the peak power, we also propose the concept of self-Q-switched PCSELs, where short-pulse generation with a 100-W-class peak power is induced even without saturable absorbers.

Conference Presentation

Citation Download Citation

Takuya Inoue, Ryohei Morita, and Susumu Noda "High-peak-power short-pulse generation from photonic-crystal surface-emitting lasers", Proc. SPIE PC12440, Novel In-Plane Semiconductor Lasers XXII, PC124400C (17 March 2023); https://doi.org/10.1117/12.2649008

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