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A novel design of high performance all-optical encoder using PhCRR

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Abstract

This study aims to use a new approach to construct and simulate an innovative nanostructure for an all-optical encoder (AOE) employing a ring resonator. In encryption systems, encoders are utilized. The plane wave expansion (PWE) approach was used to examine the frequency modes as well as encoder design. Apart from optimizations, the suggested design was numerically analyzed and simulated utilizing the finite-difference time-domain (FDTD) numerical solution technique. The radius of the rods, the core rods' radius, and the nanostructure's wavelength were adjusted to create the desired nanostructure. The suggested AOE uses an ultra-compact nanostructure with a footprint of 108 μm2. The suggested nanostructure's outstanding contrast ratio (16.4 dB) was one of its distinctive properties compared to other nanostructures. This nanostructure had a delay time of 530 fs and a bit rate of 1.88 Tb/s. The simulations have been conducted at a central wavelength of 1.55 μm, demonstrating that the suggested nanostructure is appropriate for usage in the third telecommunication window. A photonic crystal ring resonator (PhCRR) that may be employed in integrated optical circuits has been utilized to design the high-efficiency encoder.

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Acknowledgements

This work has been done in Nano-photonics and Optoelectronics Research Laboratory (NORLab), Shahid Rajaee University.

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Authors and Affiliations

  1. Faculty of Electrical Engineering, Shahid Rajaee Teacher Training University, Tehran, Iran

    Ehsan Veisi & Mahmood Seifouri

  2. Nano-Photonics and Optoelectronics Research Laboratory (NORLab), Shahid Rajaee Teacher Training University, Tehran, 16788-15811, Iran

    Saeed Olyaee

Authors
  1. Ehsan Veisi
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  2. Mahmood Seifouri
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  3. Saeed Olyaee
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EV: data curation, writing—original draft, MS and SO: supervision, writing – review and editing. All authors read and approved the final manuscript.

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Correspondence to Saeed Olyaee.

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Veisi, E., Seifouri, M. & Olyaee, S. A novel design of high performance all-optical encoder using PhCRR. Opt Quant Electron 54, 368 (2022). https://doi.org/10.1007/s11082-022-03761-1

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