Abstract
In the present paper, recent advances in the design and fabrication of optical memories based on photonic crystal structure have been reviewed. One of the most important optical properties for creating optical memory is the bistability from the thermo-optic effect, the Kerr nonlinearity effect, and the carrier plasma, causing a dual-argument hysteresis between the input and output power. The two-dimensional structures of these memories have created using waveguides, Nano-cavities, holes, L3 cavities, and buried heterostructures (BH). When designing optical memories based on photonic crystals, the parameters of quality factor, switching speed, bias power, the contrast between ON and OFF states, and pulse energy (set and reset) are of great importance so that these parameters should be considered in the best case. In the design of new optical memories, the performance of multi-bit optical memories has also been considered. Due to their extremely small size, excellent resonance properties to create a very good contrast between ON and OFF states, high flexibility to design photonic crystal-based cavities, and having control agents suitable for outputs due to the Kerr effects, plasma, and bistability, new designs proposed for the memories have made the realization of low-power and high-speed optical memories possible.
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The datasets generated during the current study are available from the corresponding author.
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Acknowledgements
I am extremely grateful to my supervisors, Dr. Mahmood Seifouri and Dr. Saeed Olyaee for their invaluable advice, continuous support, and patience during my PhD study. Their immense knowledge and plentiful experience have encouraged me in all the time of my academic research and daily life.
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Masoud mohammadi and Mohsen Farahmand developed the theoretical formalism and performed the numerical simulations. Masoud mohammadi, Mohsen Farahmand, Saeed Olyaee and Mahmood Seifouri authors contributed to the final version of the manuscript.
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Mohammadi, M., Farahmand, M., Olyaee, S. et al. An Overview of All-Optical Memories Based on Periodic Structures Used in Integrated Optical Circuits. Silicon 14, 8661–8680 (2022). https://doi.org/10.1007/s12633-021-01621-3
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DOI: https://doi.org/10.1007/s12633-021-01621-3