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Optical 2-bit nanoscale multiplier using MIM waveguides
Applied Optics
|January 31, 2024
Summary
This study presents a plasmonic 2-bit multiplier operating at 1310 nm. The device demonstrates high performance with excellent modulation depth and contrast ratio, suitable for optical computing applications.
Area of Science:
- Photonics and Optical Engineering
- Plasmonics
- Integrated Optics
Background:
- Plasmonic devices offer miniaturization and high-speed operation for optical computing.
- Efficient optical multipliers are crucial for advancing digital signal processing and computation.
Purpose of the Study:
- To design and simulate a novel plasmonic 2-bit multiplier.
- To evaluate its performance characteristics at a specific operating wavelength.
Main Methods:
- Utilized the finite element method (FEM) with COMSOL software for simulation.
- Based the design on constructive and destructive interference of light waves.
- Analyzed performance across an 800-2000 nm wavelength range.
Main Results:
- Achieved a high modulation depth of 99.91%.
- Obtained a contrast ratio of 14.75 dB.
- Reported an insertion loss of -1.2 dB at the 1310 nm operating wavelength.
Conclusions:
- The simulated plasmonic 2-bit multiplier exhibits promising performance metrics.
- The design shows potential for efficient all-optical signal processing applications.
