High-efficiency infrared four-wave mixing signal in monolayer graphene

被引：4
作者：
Liu, Shasha [1 ]
Liu, Shaopeng [1 ]
Zhu, Zhonghu [1 ]
Yang, Wen-Xing [1 ]
机构：
[1] Southeast Univ, Dept Phys, Nanjing 210096, Jiangsu, Peoples R China
来源：
LASER PHYSICS | 2016年 / 26卷 / 03期
基金：
中国国家自然科学基金;
关键词：
four-wave mixing; graphene; infrared region; ELECTROMAGNETICALLY INDUCED TRANSPARENCY; INTERFERENCE; PROPAGATION;
D O I：
10.1088/1054-660X/26/3/035401
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A scheme of enhanced four-wave mixing (FWM) signal is exploited in graphene under an external magnetic field via multiphoton quantum destructive interference. By solving the coupled Schrodinger-Maxwell formalism, a time-dependent analysis performs the integrated analytical expressions of the input probe pulse and generated FWM field. Taking into account the tunable optical transition frequency between the Landau levels (LLs) in graphene, it is found that the generated FWM signal in the infrared region can be significantly enhanced and its efficiency is nearly 60%. As a result, the proposed magnetised graphene system may provide a striking potential for generating long-wavelength radiation.
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页数：7
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