Tunable optical bistability at the graphene-covered nonlinear interface

Tunable optical bistability at the graphene-covered nonlinear interface

We investigate theoretically the optical bistability of reflection at the interface between graphene and Kerr-type nonlinear substrates. We derive a simple procedure to calculate the nonlinear reflectivity with graphene, and discuss the influence of the graphene sheets on the hysteretic response of...

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Main Authors: Xiang, Yuanjiang, Dai, Xiaoyu, Guo, Jun, Wen, Shuangchun, Tang, Dingyuan
Other Authors: School of Electrical and Electronic Engineering
Format: Article
Language:English
Published: 2014
Subjects:
DRNTU::Engineering
Online Access:https://hdl.handle.net/10356/97069
http://hdl.handle.net/10220/19576
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-970692020-03-07T14:02:45Z Tunable optical bistability at the graphene-covered nonlinear interface Xiang, Yuanjiang Dai, Xiaoyu Guo, Jun Wen, Shuangchun Tang, Dingyuan School of Electrical and Electronic Engineering DRNTU::Engineering We investigate theoretically the optical bistability of reflection at the interface between graphene and Kerr-type nonlinear substrates. We derive a simple procedure to calculate the nonlinear reflectivity with graphene, and discuss the influence of the graphene sheets on the hysteretic response of the TM-polarization reflected light. It is found that the bistable behavior of the reflected light can be electrically controlled via suitably varying the applied voltage on the graphene. In THz, the bistable thresholds can be lowered markedly by increasing the Fermi energy. However, in near-infrared frequency, it requires multiple graphene layers to exhibit significant influence on the bistable thresholds. Published version 2014-06-04T07:32:02Z 2019-12-06T19:38:39Z 2014-06-04T07:32:02Z 2019-12-06T19:38:39Z 2014 2014 Journal Article Xiang, Y., Dai, X., Guo, J., Wen, S., & Tang, D. (2014). Tunable optical bistability at the graphene-covered nonlinear interface. Applied Physics Letters, 104(5), 051108-. 0003-6951 https://hdl.handle.net/10356/97069 http://hdl.handle.net/10220/19576 10.1063/1.4863927 en Applied physics letters © 2014 AIP Publishing LLC. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of AIP Publishing LLC. The paper can be found at the following official DOI: http://dx.doi.org/10.1063/1.4863927.  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. application/pdf
institution Nanyang Technological University
building NTU Library
country Singapore
collection DR-NTU
language English
topic DRNTU::Engineering
spellingShingle DRNTU::Engineering
Xiang, Yuanjiang
Dai, Xiaoyu
Guo, Jun
Wen, Shuangchun
Tang, Dingyuan
Tunable optical bistability at the graphene-covered nonlinear interface
description We investigate theoretically the optical bistability of reflection at the interface between graphene and Kerr-type nonlinear substrates. We derive a simple procedure to calculate the nonlinear reflectivity with graphene, and discuss the influence of the graphene sheets on the hysteretic response of the TM-polarization reflected light. It is found that the bistable behavior of the reflected light can be electrically controlled via suitably varying the applied voltage on the graphene. In THz, the bistable thresholds can be lowered markedly by increasing the Fermi energy. However, in near-infrared frequency, it requires multiple graphene layers to exhibit significant influence on the bistable thresholds.
author2 School of Electrical and Electronic Engineering
author_facet School of Electrical and Electronic Engineering
Xiang, Yuanjiang
Dai, Xiaoyu
Guo, Jun
Wen, Shuangchun
Tang, Dingyuan
format Article
author Xiang, Yuanjiang
Dai, Xiaoyu
Guo, Jun
Wen, Shuangchun
Tang, Dingyuan
author_sort Xiang, Yuanjiang
title Tunable optical bistability at the graphene-covered nonlinear interface
title_short Tunable optical bistability at the graphene-covered nonlinear interface
title_full Tunable optical bistability at the graphene-covered nonlinear interface
title_fullStr Tunable optical bistability at the graphene-covered nonlinear interface
title_full_unstemmed Tunable optical bistability at the graphene-covered nonlinear interface
title_sort tunable optical bistability at the graphene-covered nonlinear interface
publishDate 2014
url https://hdl.handle.net/10356/97069
http://hdl.handle.net/10220/19576
_version_ 1681043017132146688

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