Ren, Z., Wang, X., He, K. et al. (2 more authors) (2017) A parity-time symmetrysingle-mode laser based on graphene. Journal of Modern Optics, 64 (20). pp. 2133-2140. ISSN 0950-0340
Abstract
The development of advanced optical systems, especially coherent optical systems demands high-performance single-mode lasers. Here, we proposed a parity-time symmetry single-mode laser based on graphene with superior performance over the widely utilized technologies of the index-coupled DFB laser working at telecommunication wavelength. The unique properties of graphene have been used to tune the III-V/Silicon hybrid laser to the PT symmetry broken phase where the lasing mode has a minimum overlap with graphene nanostructures while all other modes have been suppressed by the loss in graphene. Our results suggest a high-performance silicon-based laser source for photonic integrated circuits. Such a compact single-mode laser source can be widely used in some applications, such as on-chip optical interconnects, optical spectrometry, biochemical sensing and imaging.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2018 Taylor & Francis |
Keywords: | Parity-time symmetry; single mode; graphene; distributed feedback; hybrid integration; hybrid laser |
Dates: |
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Institution: | The University of Sheffield |
Academic Units: | The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Electronic and Electrical Engineering (Sheffield) |
Funding Information: | Funder Grant number ROYAL SOCIETY RG160365 ENGINEERING AND PHYSICAL SCIENCE RESEARCH COUNCIL (EPSRC) EP/P020399/1 |
Depositing User: | Symplectic Sheffield |
Date Deposited: | 26 Jun 2018 15:00 |
Last Modified: | 26 Jun 2018 15:00 |
Published Version: | https://doi.org/10.1080/09500340.2017.1343401 |
Status: | Published |
Publisher: | Taylor & Francis |
Refereed: | Yes |
Identification Number: | 10.1080/09500340.2017.1343401 |
Related URLs: | |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:132555 |