Ultrafast optical properties and applications of anisotropic 2D materials
Two-dimensional (2D) layered materials exhibit strong light-matter interactions, remarkable excitonic effects, and ultrafast optical response, making them promising for high-speed on-chip nanophotonics. Recently, significant attention has been directed towards anisotropic 2D materials (A2DMs) with l...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
De Gruyter
2024-01-01
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| Series: | Nanophotonics |
| Subjects: | |
| Online Access: | https://doi.org/10.1515/nanoph-2023-0639 |
| _version_ | 1797323441279336448 |
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| author | Suk Sang Ho Seo Sung Bok Cho Yeon Sik Wang Jun Sim Sangwan |
| author_facet | Suk Sang Ho Seo Sung Bok Cho Yeon Sik Wang Jun Sim Sangwan |
| author_sort | Suk Sang Ho |
| collection | DOAJ |
| description | Two-dimensional (2D) layered materials exhibit strong light-matter interactions, remarkable excitonic effects, and ultrafast optical response, making them promising for high-speed on-chip nanophotonics. Recently, significant attention has been directed towards anisotropic 2D materials (A2DMs) with low in-plane crystal symmetry. These materials present unique optical properties dependent on polarization and direction, offering additional degrees of freedom absent in conventional isotropic 2D materials. In this review, we discuss recent progress in understanding the fundamental aspects and ultrafast nanophotonic applications of A2DMs. We cover structural characteristics and anisotropic linear/nonlinear optical properties of A2DMs, including well-studied black phosphorus and rhenium dichalcogenides, as well as emerging quasi-one-dimensional materials. Then, we discuss fundamental ultrafast anisotropic phenomena occurring in A2DMs, such as polarization-dependent ultrafast dynamics of charge carriers and excitons, their direction-dependent spatiotemporal diffusion, photo-induced symmetry switching, and anisotropic coherent acoustic phonons. Furthermore, we review state-of-the-art ultrafast nanophotonic applications based on A2DMs, including polarization-driven active all-optical modulations and ultrafast pulse generations. This review concludes by offering perspectives on the challenges and future prospects of A2DMs in ultrafast nanophotonics. |
| first_indexed | 2024-03-08T05:28:44Z |
| format | Article |
| id | doaj.art-2d7e59cc8fcd49e480bf13a327feb25d |
| institution | Directory Open Access Journal |
| issn | 2192-8606 2192-8614 |
| language | English |
| last_indexed | 2024-03-08T05:28:44Z |
| publishDate | 2024-01-01 |
| publisher | De Gruyter |
| record_format | Article |
| series | Nanophotonics |
| spelling | doaj.art-2d7e59cc8fcd49e480bf13a327feb25d2024-02-06T09:08:40ZengDe GruyterNanophotonics2192-86062192-86142024-01-0113210715410.1515/nanoph-2023-0639Ultrafast optical properties and applications of anisotropic 2D materialsSuk Sang Ho0Seo Sung Bok1Cho Yeon Sik2Wang Jun3Sim Sangwan4School of Electrical Engineering, Hanyang University, Ansan15588, South KoreaSchool of Electrical Engineering, Hanyang University, Ansan15588, South KoreaSchool of Electrical Engineering, Hanyang University, Ansan15588, South KoreaPhotonic Integrated Circuits Center, Key Laboratory of Materials for High-Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai201800, ChinaSchool of Electrical Engineering, Hanyang University, Ansan15588, South KoreaTwo-dimensional (2D) layered materials exhibit strong light-matter interactions, remarkable excitonic effects, and ultrafast optical response, making them promising for high-speed on-chip nanophotonics. Recently, significant attention has been directed towards anisotropic 2D materials (A2DMs) with low in-plane crystal symmetry. These materials present unique optical properties dependent on polarization and direction, offering additional degrees of freedom absent in conventional isotropic 2D materials. In this review, we discuss recent progress in understanding the fundamental aspects and ultrafast nanophotonic applications of A2DMs. We cover structural characteristics and anisotropic linear/nonlinear optical properties of A2DMs, including well-studied black phosphorus and rhenium dichalcogenides, as well as emerging quasi-one-dimensional materials. Then, we discuss fundamental ultrafast anisotropic phenomena occurring in A2DMs, such as polarization-dependent ultrafast dynamics of charge carriers and excitons, their direction-dependent spatiotemporal diffusion, photo-induced symmetry switching, and anisotropic coherent acoustic phonons. Furthermore, we review state-of-the-art ultrafast nanophotonic applications based on A2DMs, including polarization-driven active all-optical modulations and ultrafast pulse generations. This review concludes by offering perspectives on the challenges and future prospects of A2DMs in ultrafast nanophotonics.https://doi.org/10.1515/nanoph-2023-0639anisotropic two-dimensional materialsultrafast spectroscopycarrier dynamicsexciton dynamicsultrafast active all-optical modulationpulse laser generation |
| spellingShingle | Suk Sang Ho Seo Sung Bok Cho Yeon Sik Wang Jun Sim Sangwan Ultrafast optical properties and applications of anisotropic 2D materials Nanophotonics anisotropic two-dimensional materials ultrafast spectroscopy carrier dynamics exciton dynamics ultrafast active all-optical modulation pulse laser generation |
| title | Ultrafast optical properties and applications of anisotropic 2D materials |
| title_full | Ultrafast optical properties and applications of anisotropic 2D materials |
| title_fullStr | Ultrafast optical properties and applications of anisotropic 2D materials |
| title_full_unstemmed | Ultrafast optical properties and applications of anisotropic 2D materials |
| title_short | Ultrafast optical properties and applications of anisotropic 2D materials |
| title_sort | ultrafast optical properties and applications of anisotropic 2d materials |
| topic | anisotropic two-dimensional materials ultrafast spectroscopy carrier dynamics exciton dynamics ultrafast active all-optical modulation pulse laser generation |
| url | https://doi.org/10.1515/nanoph-2023-0639 |
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