Design of an ultracompact low-power all-optical modulator by means of dispersion engineered slow light regime in a photonic crystal Mach-Zehnder interferometer |
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| Authors: | Bakhshi Sara Moravvej-Farshi Mohammad Kazem Ebnali-Heidari Majid |
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| Affiliation: | Faculty of Electrical and Computer Engineering, Tarbiat Modares University, Tehran, Iran. |
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| Abstract: | We present the design procedure for an ultracompact low-power all-optical modulator based on a dispersion-engineered slow-light regime in a photonic crystal Mach-Zehnder interferometer (PhC MZI), selectively infiltrated by nonlinear optical fluids. The dispersionless slow-light regime enhancing the nonlinearities enabled a 22 μm long PhC MZI to operate as a modulator with an input power as low as 3 mW/μm. Simulations reveal that the switching threshold can be controlled by varying the optofluidic infiltration. |
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