基于黑砷磷的全光逻辑器件具有强非线性光学响应和高稳定性

IF 15.3 1区 物理与天体物理 Q1 OPTICS
Leiming Wu, Taojian Fan, Songrui Wei, Yijun Xu, Ye Zhang, Dingtao Ma, Yiqing Shu, Y. Xiang, Jun Liu, Jianqing Li, K. Panajotov, Yu Qin, Han Zhang
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引用次数: 21

摘要

二维(2D)纳米材料中的克尔非线性由于其突出的光处理、调制和操纵能力而成为一个吸引人的研究领域。本文将二维黑砷磷(B-AsP)纳米片(NSs)应用于基于空间自相位调制(SSPM)方法的非线性光子器件。利用二维B-AsP中的Kerr非线性,提出了一种全光调相系统,实现全光开关的“开”和“关”功能。采用相同的全光调相系统,提出了另一种光逻辑门,并基于二维B-AsP NSs色散得到了逻辑“或”函数。此外,利用SSPM方法制备了二维B-AsP/SnS2杂化结构,结果表明该杂化结构具有单向非线性激发的能力,有助于获得光的空间不对称传播函数。这一功能被认为是实现二极管功能化的重要前提,也是隔离器设计的重要依据。初步研究表明,二维B-AsP可以应用于光逻辑器件的设计,是全光信息处理领域的重要发展。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
All-optical logic devices based on black arsenic–phosphorus with strong nonlinear optical response and high stability
The Kerr nonlinearity in two-dimensional (2D) nanomaterials is emerging as an appealing and intriguing research area due to their prominent light processing, modulation, and manipulation abilities. In this contribution, 2D black arsenicphosphorus (B-AsP) nanosheets (NSs) were applied in nonlinear photonic devices based on spatial self-phase modulation (SSPM) method. By applying the Kerr nonlinearity in 2D B-AsP, an all-optical phase-modulated system is proposed to realize the functions of “on” and “off” in all-optical switching. By using the same all-optical phase-modulated system, another optical logic gate is proposed, and the logical “or” function is obtained based on the 2D B-AsP NSs dispersions. Moreover, by using the SSPM method, a 2D B-AsP/SnS2 hybrid structure is fabricated, and the result illustrates that the hybrid structure possesses the ability of the unidirectional nonlinear excitation, which helps in obtaining the function of spatial asymmetric light propagation. This function is considered an important prerequisite for the realization of diode functionalization, which is believed to be a factor in important basis for the design of isolators as well. The initial investigations indicate that 2D B-AsP is applicable for designing optical logical devices, which can be considered as an important development in all-optical information processing.
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来源期刊
CiteScore
19.30
自引率
7.10%
发文量
128
期刊介绍: Opto-Electronic Advances (OEA) is a distinguished scientific journal that has made significant strides since its inception in March 2018. Here's a collated summary of its key features and accomplishments: Impact Factor and Ranking: OEA boasts an impressive Impact Factor of 14.1, which positions it within the Q1 quartiles of the Optics category. This high ranking indicates that the journal is among the top 25% of its field in terms of citation impact. Open Access and Peer Review: As an open access journal, OEA ensures that research findings are freely available to the global scientific community, promoting wider dissemination and collaboration. It upholds rigorous academic standards through a peer review process, ensuring the quality and integrity of the published research. Database Indexing: OEA's content is indexed in several prestigious databases, including the Science Citation Index (SCI), Engineering Index (EI), Scopus, Chemical Abstracts (CA), and the Index to Chinese Periodical Articles (ICI). This broad indexing facilitates easy access to the journal's articles by researchers worldwide.
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