Unceasing efforts have been devoted to photonics based on black phosphorus ever since it came under the spotlight of two-dimensional materials research six years ago. The direct bandgap of black phosphorus is tunable by layer number, vertical electric field, and chemical doping, covering a broad spectrum for efficient light manipulation. The optical anisotropy further enables the identification and control of light polarization. Along with high carrier mobility, nonlinear optical properties, and integration capability due to its layered lattice structure, black phosphorus manifests itself as a promising multipurpose material for chip-scale optoelectronics. In this manuscript, we review the research on black phosphorus photonics, with a focus on the most fundamental active functions in photonic circuits: photodetection, electro-optic modulation, light emission, and laser pulse generation, aiming at evaluating the feasibility of integrating these black phosphorus-based components as a compact system for on-chip applications.
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Black phosphorus photonics toward on-chip applications
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September 2020
Review Article|
July 28 2020
Black phosphorus photonics toward on-chip applications
Li Huang
;
Li Huang
Department of Electrical and Computer Engineering, National University of Singapore
, 4 Engineering Drive 3, 117583, Singapore
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Kah-Wee Ang
Kah-Wee Ang
a)
Department of Electrical and Computer Engineering, National University of Singapore
, 4 Engineering Drive 3, 117583, Singapore
a)Author to whom correspondence should be addressed: [email protected]
Search for other works by this author on:
a)Author to whom correspondence should be addressed: [email protected]
Appl. Phys. Rev. 7, 031302 (2020)
Article history
Received:
February 24 2020
Accepted:
July 01 2020
Citation
Li Huang, Kah-Wee Ang; Black phosphorus photonics toward on-chip applications. Appl. Phys. Rev. 1 September 2020; 7 (3): 031302. https://doi.org/10.1063/5.0005641
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