Optical logic operation for AND gate based on planar photonic crystal circuit

Kun-Yi Lee; Yi-Pin Yang; I-Chen Yang; Yi-Lung Tsai; Hsin-Fu Liao; Yen-Juei Lin; Wei-Yu Lee; Yao-Tsung Tsai

doi:10.1117/12.905637

28 November 2011 Optical logic operation for AND gate based on planar photonic crystal circuit

Kun-Yi Lee, Yi-Pin Yang, I-Chen Yang, Yi-Lung Tsai, Hsin-Fu Liao, Yen-Juei Lin, Wei-Yu Lee, Yao-Tsung Tsai

Proceedings Volume 8308, Optoelectronic Materials and Devices VI; 83081S (2011) https://doi.org/10.1117/12.905637
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China

Abstract

For stimulates great developments in high-speed and high-capacity Cloud Computing Technologies (CCT) systems in the future. The all-optical logic gate based on planar photonic crystal (PPC) waveguide is a promising technology. We design an all-optical AND gate in PPC, as an ultracompact component for planar lightwave circuit integration with suitable choice of parameters, perform this task. The PPC waveguides are composed of circular dielectric rods set in two-dimensional triangular lattice. To realize the AND logic function, as predicted using 2D finite-difference time-domain simulations. The combination of the ring and line defect coupler waveguides forms the device. On the basis of our simulations, we found that the optimized scheme maximizes the power transmission above 80% at a wavelength of 1.55 um. Besides, this device can apply to all-optical Arithmetic Logic Unit (ALU) in all-optical computing and potentially applicable for photonic integrated circuits (PICs) in the future.

Citation Download Citation

Kun-Yi Lee, Yi-Pin Yang, I-Chen Yang, Yi-Lung Tsai, Hsin-Fu Liao, Yen-Juei Lin, Wei-Yu Lee, and Yao-Tsung Tsai "Optical logic operation for AND gate based on planar photonic crystal circuit", Proc. SPIE 8308, Optoelectronic Materials and Devices VI, 83081S (28 November 2011); https://doi.org/10.1117/12.905637

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