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Conferences > CLEO_SI > 2023 > SF1Q > SF1Q.5

50W Continuous-Wave Operation of a 3mm-diameter Photonic-Crystal Surface-Emitting Laser

Masahiro Yoshida, Shumpei Katsuno, Takuya Inoue, Menaka De Zoysa, Kenji Ishizaki, and Susumu Noda

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Abstract

We develop a 3mm large-area photonic-crystal surface-emitting laser (PCSEL) with controlled Hermitian and non-Hermitian optical couplings, as well as an in-plane lattice-constant distribution for compensation of the temperature distribution during continuous-wave (CW) operation. We demonstrate a CW output power of 50 W with a very narrow (<0.1°) beam divergence from the single-chip 3mm PCSEL.

© 2023 The Author(s)

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