دوره 14، شماره 2 - ( 9-1399 )
جلد 14 شماره 2 صفحات 186-177 |
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A. Sharif M. All-Optical Graphene-Based Modulation of Surface Plasmon Polaritons via Modulation Instability for Secure Optical Communication. IJOP 2020; 14 (2) :177-186
URL: http://ijop.ir/article-1-436-fa.html
URL: http://ijop.ir/article-1-436-fa.html
All-Optical Graphene-Based Modulation of Surface Plasmon Polaritons via Modulation Instability for Secure Optical Communication. . 1399; 14 (2) :177-186
چکیده: (3373 مشاهده)
In this paper, an all optical graphene-based modulation approach is proposed induced by Modulation Instability (MI). The device structure is based on graphene sheets transferred on the both arms of a Mach-Zehnder interferometer to support amplified Surface Plasmon Polaritons (SPPs). Due to the nonlinear nature of MI to interfere in the modulation process, the proposed approach leads to an enhanced performance in comparison to the conventional Mach-Zehnder modulators; using a low power cw driving beam (~20 µW at λ=50 µm), a high speed modulation rate (~2 Tpps) and subsequently, a high depth (89%), wideband modulation (~81 GHz) can be resulted. Since the MI is a pre-state to the chaotic regime, the modulator can be also used for secure optical communication.
نوع مطالعه: پژوهشي |
موضوع مقاله:
عمومى
دریافت: 1399/9/10 | ویرایش نهایی: 1399/10/27 | پذیرش: 1399/12/5 | انتشار: 1400/2/30
دریافت: 1399/9/10 | ویرایش نهایی: 1399/10/27 | پذیرش: 1399/12/5 | انتشار: 1400/2/30
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