Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/89529
Title: Room-temperature 2D semiconductor activated vertical-cavity surface-emitting lasers
Authors: Shang, Jingzhi
Cong, Chunxiao
Wang, Zilong
Peimyoo, Namphung
Wu, Lishu
Zou, Chenji
Chen, Yu
Chin, Xin Yu
Wang, Jianpu
Soci, Cesare
Huang, Wei
Yu, Ting
Keywords: Photoluminescence
Scanning Electron Microscopy
Issue Date: 2017
Source: Shang, J., Cong, C., Wang, Z., Peimyoo, N., Wu, L., Zou, C., et al. (2017). Room-temperature 2D semiconductor activated vertical-cavity surface-emitting lasers. Nature Communications, 8(1), 543-.
Series/Report no.: Nature Communications
Abstract: Two-dimensional (2D) semiconductors are opening a new platform for revitalizing widely spread optoelectronic applications. The realisation of room-temperature vertical 2D lasing from monolayer semiconductors is fundamentally interesting and highly desired for appealing on-chip laser applications such as optical interconnects and supercomputing. Here, we present room-temperature low-threshold lasing from 2D semiconductor activated vertical-cavity surface-emitting lasers (VCSELs) under continuous-wave pumping. 2D lasing is achieved from a 2D semiconductor. Structurally, dielectric oxides were used to construct the half-wavelength-thick cavity and distributed Bragg reflectors, in favour of single-mode operation and ultralow optical loss; in the cavity centre, the direct-bandgap monolayer WS2 was embedded as the gain medium, compatible with the planar VCSEL configuration and the monolithic integration technology. This work demonstrates 2D semiconductor activated VCSELs with desirable emission characteristics, which represents a major step towards practical optoelectronic applications of 2D semiconductor lasers.
URI: https://hdl.handle.net/10356/89529
http://hdl.handle.net/10220/44969
ISSN: 2041-1723
DOI: 10.1038/s41467-017-00743-w
Schools: School of Physical and Mathematical Sciences 
Organisations: NanjingTech-NTU Joint Center of Research and Development
Rights: © 2017 The Author(s). This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/ licenses/by/4.0/.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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