High-Performance All-Optical Logic Operations Using Ψ-Shaped Silicon Waveguides at 1.55 μm
Abstract
:1. Introduction
2. Ψ-Shaped Silicon Waveguide
3. Logic Operations’ Realization
3.1. XOR
3.2. AND
3.3. OR
3.4. NOT
3.5. NOR
3.6. NAND
3.7. XNOR
4. Conclusions
Author Contributions
Funding
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Symbol | Definition | Value | Unit |
---|---|---|---|
L | Length of slot | 1.0 | μm |
w | Width of slot | 0.3 | μm |
d | Thickness of slot | 0.3 | μm |
a | Microring inner radius | 0.2 | μm |
b | Microring outer radius | 0.3 | μm |
dr | Distance between slot and microring | 0.01 | μm |
θ | Angle between slots | 45 | degree |
λ | Operating wavelength | 1.55 | μm |
Tth | Threshold transmission | 0.2 | - |
Port 1 | Port 3 | Port 2 (REF) | T | Port 4 (Output) | CR (dB) |
---|---|---|---|---|---|
0 | 0 | 1 | 0.027 | 0 | 27 |
0 | 1 | 1 | 0.485 | 1 | |
1 | 0 | 1 | 0.442 | 1 | |
1 | 1 | 1 | 0.035 | 0 |
Port 1 | Port 3 | Port 2 (REF) | T | Port 4 (Output) | CR (dB) |
---|---|---|---|---|---|
0 | 0 | 1 | 0.027 | 0 | 28.28 |
0 | 1 | 1 | 0.038 | 0 | |
1 | 0 | 1 | 0.038 | 0 | |
1 | 1 | 1 | 0.575 | 1 |
Port 1 | Port 3 | Port 2 (REF) | T | Port 4 (Output) | CR (dB) |
---|---|---|---|---|---|
0 | 0 | 1 | 0.027 | 0 | 31 |
0 | 1 | 1 | 0.485 | 1 | |
1 | 0 | 1 | 0.442 | 1 | |
1 | 1 | 1 | 0.865 | 1 |
Operation | CR (dB) With REF | CR (dB) Without REF |
---|---|---|
XOR | 27 | 7.2 |
AND | 28.28 | 8.5 |
OR | 31 | 9.7 |
Port 1 (Clk) | Port 3 | T | Port 4 (Output) | CR (dB) |
---|---|---|---|---|
1 | 1 | 0.023 | 0 | 25.17 |
1 | 0 | 0.285 | 1 |
Port 1 (Clk) | Port 2 | Port 3 | T | Port 4 (Output) | CR (dB) |
---|---|---|---|---|---|
1 | 0 | 0 | 0.285 | 1 | 27.24 |
1 | 0 | 1 | 0.019 | 0 | |
1 | 1 | 0 | 0.020 | 0 | |
1 | 1 | 1 | 0.017 | 0 |
Port 1 (Clk) | Port 2 | Port 3 | T | Port 4 (Output) | CR (dB) |
---|---|---|---|---|---|
1 | 0 | 0 | 0.285 | 1 | 34.10 |
1 | 0 | 1 | 0.845 | 1 | |
1 | 1 | 0 | 0.412 | 1 | |
1 | 1 | 1 | 0.017 | 0 |
Port 1 (Clk) | Port 2 | Port 3 | T | Port 4 (Output) | CR (dB) |
---|---|---|---|---|---|
1 | 0 | 0 | 0.285 | 1 | 33.84 |
1 | 0 | 1 | 0.019 | 0 | |
1 | 1 | 0 | 0.020 | 0 | |
1 | 1 | 1 | 0.865 | 1 |
Functions | Waveguide | Wavelength (nm) | CR (dB) | Ref. |
---|---|---|---|---|
AND, XOR, OR, NOT, NAND, NOR XNOR | PC waveguides | 1550 | 5.42–9.59 | [11] |
AND, XOR, XNOR | T-shaped PC waveguides | 1550 | 8.29–33.05 | [16,17,18] |
AND, NOR, XNOR | Silicon photonics platform | 1550 | >10 dB | [21] |
XOR, AND, OR, NOT, NOR, XNOR, NAND | Silicon-on-silica waveguides | 1550 | 20.51–30.33 | [25] |
XOR, AND, OR, NOT, NOR, XNOR, NAND | Silicon-on-silica waveguides | 1330 | 11.76–32.73 | [26] |
XOR, NAND | Gold disk-shaped nanoparticles | 451.8 | 24 and 26 | [30] |
NOT, XOR, AND, OR, NOR, NAND, XNOR | Metal slot waveguide | 632.8 | 6–16 | [31] |
NOT, XOR, AND, OR, NOR, NAND, XNOR | Metal–insulator–metal structures | 632.8 | 15 | [32] |
NOT, XOR, AND, OR, NOR, NAND, XNOR | Dielectric–metal–dielectric design | 900 and 1330 | 5.37–22 | [33] |
XOR, AND, OR, NOR, NAND, XNOR | Dielectric-loaded waveguides | 471 | 24.41–33.39 | [34] |
XOR, AND, OR, NOT, NOR, XNOR, NAND | Ψ silicon waveguides | 1550 | 25.17–34.10 | This work |
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Kotb, A.; Zoiros, K.E.; Guo, C. High-Performance All-Optical Logic Operations Using Ψ-Shaped Silicon Waveguides at 1.55 μm. Micromachines 2023, 14, 1793. https://doi.org/10.3390/mi14091793
Kotb A, Zoiros KE, Guo C. High-Performance All-Optical Logic Operations Using Ψ-Shaped Silicon Waveguides at 1.55 μm. Micromachines. 2023; 14(9):1793. https://doi.org/10.3390/mi14091793
Chicago/Turabian StyleKotb, Amer, Kyriakos E. Zoiros, and Chunlei Guo. 2023. "High-Performance All-Optical Logic Operations Using Ψ-Shaped Silicon Waveguides at 1.55 μm" Micromachines 14, no. 9: 1793. https://doi.org/10.3390/mi14091793