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17 March 2023 Silicon photonics micro-ring resonator-based SR latch for optical memory applications
Dinmukhammedali Otynshy, Nazym Alipbayeva, Assylkhan Nurgali, Bikash Nakarmi, Ikechi A. Ukaegbu
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Proceedings Volume 12425, Smart Photonic and Optoelectronic Integrated Circuits 2023; 1242504 (2023) https://doi.org/10.1117/12.2649402
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
This work proposes the design of optical SR latch. The fundamental component of the latch is a micro-ring resonator (MRR), which utilizes a plasma dispersion effect with an applied reverse bias voltage to tune its resonance wavelength. The proposed SR latch is made up of two identical micro-ring resonators with similar doped regions and the same logic mode of operation. The memory properties are realized by implementing the feedback loop between the input and output of the circuit. A time-varying simulation is carried out by applying two pseudorandom electrical input signals S and R into the circuit at a data rate of 25 Gbps. The work concludes with a comparative analysis between two optical SR latches (NOR-based and NAND-based).
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Dinmukhammedali Otynshy, Nazym Alipbayeva, Assylkhan Nurgali, Bikash Nakarmi, and Ikechi A. Ukaegbu "Silicon photonics micro-ring resonator-based SR latch for optical memory applications", Proc. SPIE 12425, Smart Photonic and Optoelectronic Integrated Circuits 2023, 1242504 (17 March 2023); https://doi.org/10.1117/12.2649402
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KEYWORDS
Design and modelling
Microrings
Resonators
Silicon photonics
Waveguides
Logic
Optical storage
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