Nonlinear photonic crystal

A nonlinear photonic crystal is a material composed of nonlinear molecules that can be selectively chosen, making it an attractive tool for studying surface chemical processes and improving nonlinear optoelectronic devices. It has also been proposed as a basis for all-optical logic gates.From: Handbook of Nanoscience, Engineering, and Technology [2019], All-optical simultaneous AND & XOR logic gates based on nonlinear micro-ring resonator [2018]

Crystalline Colloidal Array Photonic Crystal Optical Switching

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Published in Anwar Sohail, Raja M Yasin Anwar Akhtar, Raja Qazi Salahuddin, Ilyas Mohammad, Nanotechnology for Telecommunications, 2017

Marta K Maurer

These processes create a diffracting structure that prevents transmission of light meeting the Bragg condition. Alternatively, polymer microphase separation self-assembly can be used to create layered periodic structures (Edrington et al. 2001). One-dimensional photonic crystals can also be created layer by layer through chemical vapor deposition techniques used to form dielectric mirrors and filters (Yariv and Pochi 1984). If the modulation amplitude of the dielectric constant could be altered quickly, these materials could be utilized for optical switching. The challenge is to develop optically nonlinear photonic crystal materials, which can efficiently control diffraction on fast timescales. This is a severe challenge since most materials have small optical nonlinearities.

All-optical simultaneous AND & XOR logic gates based on nonlinear micro-ring resonator

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Published in Journal of Modern Optics, 2018

Zahra Mohebbi, Najmeh Nozhat, Maryam Khodadadi

In our previous work, we have proposed all-optical logic gates based on nonlinear photonic crystal (9). In our proposed structures, we have used nonlinear Kerr effect and interference effect to design XOR, XNOR, NAND and NOT logic gates.

Nonlinear photonic crystal

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Crystalline Colloidal Array Photonic Crystal Optical Switching

All-optical simultaneous AND & XOR logic gates based on nonlinear micro-ring resonator