Non-reciprocal optical devices based on linear silicon photonic crystals

Davi Franco Rêgo; Vitaly Felix Rodriguez-Esquerre

doi:10.1117/12.2038216

7 March 2014 Non-reciprocal optical devices based on linear silicon photonic crystals

Davi Franco Rêgo, Vitaly Felix Rodriguez-Esquerre

Proceedings Volume 8980, Physics and Simulation of Optoelectronic Devices XXII; 89801E (2014) https://doi.org/10.1117/12.2038216
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

Due to the promises of ultrahigh speed computation realized in the optical domain, great interest towards alloptical integrated systems has been shown. A great number of different types of optical logic gates have been proposed during the last years and the optical diode effect based on photonic crystal is of crucial importance in optical logic gates and computing integrated optical systems. The diode effect can be achieved by breaking the spatial inversion symmetry by various ways. Many different linear passive structures that exhibits optical isolation and unidirectional transmission behavior have been proposed, which exploit the properties of point defects, mode conversion and filtering, chirped structures or heterojunction slabs (two different 2D Photonic Crystals structures). Further improvements of these structures are here proposed and enhanced unidirectional behavior was achieved by optimization of the originally proposed structures where good optical isolation has been achieved. The results were obtained by efficient numerical simulations and it is shown that these devices are good candidates for building blocks of integrated optical systems.

Citation Download Citation

Davi Franco Rêgo and Vitaly Felix Rodriguez-Esquerre "Non-reciprocal optical devices based on linear silicon photonic crystals", Proc. SPIE 8980, Physics and Simulation of Optoelectronic Devices XXII, 89801E (7 March 2014); https://doi.org/10.1117/12.2038216

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