Photonic-crystal surface-emitting lasers (PCSELs) with modulated photonic crystals have attracted much attention for their unrivaled capabilities, such as broad area coherent resonance, and lens-free beam scanning and flash illumination. In this paper, we first explain the principles and the development of PCSELs with modulated photonic crystals toward non-mechanical two-dimensional (2D) beam-scanning applications. Then, we show PCSELs with modulated photonic crystals, whose modulation is designed based on an inverse Fourier transform to enable the emission of various beam patterns, such as flash patterns and multi-dot patterns, from a single photonic crystal without using external optical elements. This demonstration underscores the flexibility of PCSELs with modulated photonic crystals as compact, highly functional light sources for a wide range of applications, including not only beam-scanning-type, flash-type, and multidot-type light detection and ranging but also advanced object recognition and adaptive illumination.
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Photonic-crystal surface-emitting lasers with modulated photonic crystals enabling 2D beam scanning and various beam pattern emission
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27 March 2023
Research Article|
March 30 2023
Photonic-crystal surface-emitting lasers with modulated photonic crystals enabling 2D beam scanning and various beam pattern emission

Ryoichi Sakata
;
Ryoichi Sakata
(Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software, Validation, Visualization, Writing – original draft, Writing – review & editing)
1
Photonics and Electronics Science and Engineering Center, Kyoto University
, Kyoto 615-8510, Japan
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Kenji Ishizaki
;
Kenji Ishizaki
(Conceptualization, Methodology, Project administration, Validation, Writing – review & editing)
1
Photonics and Electronics Science and Engineering Center, Kyoto University
, Kyoto 615-8510, Japan
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Menaka De Zoysa
;
Menaka De Zoysa
(Conceptualization, Data curation, Methodology, Project administration, Validation, Writing – review & editing)
1
Photonics and Electronics Science and Engineering Center, Kyoto University
, Kyoto 615-8510, Japan
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Kyoko Kitamura
;
Kyoko Kitamura
(Investigation)
2
Department of Electronic Science and Engineering, Kyoto University
, Kyoto 615-8510, Japan
3
Electronics, Kyoto Institute of Technology
, Kyoto 605-8585, Japan
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Takuya Inoue
;
Takuya Inoue
(Software, Validation, Writing – review & editing)
1
Photonics and Electronics Science and Engineering Center, Kyoto University
, Kyoto 615-8510, Japan
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John Gelleta
;
John Gelleta
(Software, Writing – review & editing)
2
Department of Electronic Science and Engineering, Kyoto University
, Kyoto 615-8510, Japan
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Susumu Noda
Susumu Noda
a)
(Conceptualization, Data curation, Formal analysis, Funding acquisition, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing)
1
Photonics and Electronics Science and Engineering Center, Kyoto University
, Kyoto 615-8510, Japan
2
Department of Electronic Science and Engineering, Kyoto University
, Kyoto 615-8510, Japan
a)Author to whom correspondence should be addressed: snoda@kuee.kyoto-u.ac.jp
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a)Author to whom correspondence should be addressed: snoda@kuee.kyoto-u.ac.jp
Appl. Phys. Lett. 122, 130503 (2023)
Article history
Received:
September 22 2022
Accepted:
March 06 2023
Connected Content
A companion article has been published:
Photonic-crystal surface-emitting laser chip performs variety of configurations with modulation
Citation
Ryoichi Sakata, Kenji Ishizaki, Menaka De Zoysa, Kyoko Kitamura, Takuya Inoue, John Gelleta, Susumu Noda; Photonic-crystal surface-emitting lasers with modulated photonic crystals enabling 2D beam scanning and various beam pattern emission. Appl. Phys. Lett. 27 March 2023; 122 (13): 130503. https://doi.org/10.1063/5.0127495
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