Photonic-crystal surface-emitting lasers (PCSELs) feature high-power coherent lasing over a large area, which are potentially suitable for various applications requiring narrow spectral linewidths. In this paper, we experimentally and theoretically investigate intrinsic spectral linewidths of PCSELs. We first measure the frequency noise spectra of a fabricated PCSEL with a 250-μm lasing diameter and realize single-mode lasing with an intrinsic spectral linewidth below 70 kHz. To investigate the feasibility of narrower spectral linewidths in PCSELs, we next perform the theoretical analysis of intrinsic spectral linewidths of PCSELs by a time-dependent three-dimensional coupled-wave analysis considering carrier–photon interactions as well as thermal effects. We reveal that intrinsic spectral linewidths below 1 kHz can be obtained with a 500-μm-diameter PCSEL by reducing the cavity loss and by compensating the temperature-induced band-edge-frequency distribution.
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Measurement and numerical analysis of intrinsic spectral linewidths of photonic-crystal surface-emitting lasers
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30 January 2023
Research Article|
January 30 2023
Measurement and numerical analysis of intrinsic spectral linewidths of photonic-crystal surface-emitting lasers
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2023 Rising Stars Collection
Takuya Inoue
;
Takuya Inoue
a)
(Conceptualization, Data curation, Formal analysis, Software, Writing – original draft)
1
Photonics and Electronics Science and Engineering Center, Kyoto University
, Kyoto-daigaku-katsura, Nishikyo-ku, Kyoto 615-8510, Japan
a)Author to whom correspondence should be addressed: [email protected]
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Taejoon Kim;
Taejoon Kim
(Data curation, Formal analysis)
2
Department of Electronic Science and Engineering, Kyoto University
, Kyoto-daigaku-katsura, Nishikyo-ku, Kyoto 615-8510, Japan
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Shumpei Katsuno
;
Shumpei Katsuno
(Data curation)
2
Department of Electronic Science and Engineering, Kyoto University
, Kyoto-daigaku-katsura, Nishikyo-ku, Kyoto 615-8510, Japan
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Ryohei Morita;
Ryohei Morita
(Data curation, Formal analysis)
2
Department of Electronic Science and Engineering, Kyoto University
, Kyoto-daigaku-katsura, Nishikyo-ku, Kyoto 615-8510, Japan
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Masahiro Yoshida
;
Masahiro Yoshida
(Data curation)
2
Department of Electronic Science and Engineering, Kyoto University
, Kyoto-daigaku-katsura, Nishikyo-ku, Kyoto 615-8510, Japan
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Menaka De Zoysa
;
Menaka De Zoysa
(Data curation)
1
Photonics and Electronics Science and Engineering Center, Kyoto University
, Kyoto-daigaku-katsura, Nishikyo-ku, Kyoto 615-8510, Japan
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Kenji Ishizaki;
Kenji Ishizaki
(Data curation)
1
Photonics and Electronics Science and Engineering Center, Kyoto University
, Kyoto-daigaku-katsura, Nishikyo-ku, Kyoto 615-8510, Japan
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Susumu Noda
Susumu Noda
(Conceptualization, Writing – original draft)
1
Photonics and Electronics Science and Engineering Center, Kyoto University
, Kyoto-daigaku-katsura, Nishikyo-ku, Kyoto 615-8510, Japan
2
Department of Electronic Science and Engineering, Kyoto University
, Kyoto-daigaku-katsura, Nishikyo-ku, Kyoto 615-8510, Japan
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a)Author to whom correspondence should be addressed: [email protected]
Appl. Phys. Lett. 122, 051101 (2023)
Article history
Received:
November 15 2022
Accepted:
December 21 2022
Citation
Takuya Inoue, Taejoon Kim, Shumpei Katsuno, Ryohei Morita, Masahiro Yoshida, Menaka De Zoysa, Kenji Ishizaki, Susumu Noda; Measurement and numerical analysis of intrinsic spectral linewidths of photonic-crystal surface-emitting lasers. Appl. Phys. Lett. 30 January 2023; 122 (5): 051101. https://doi.org/10.1063/5.0135042
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