Polarization-Insensitive Graphene Modulator Based on Hybrid Plasmonic Waveguide
Abstract
:1. Introduction
2. Device Structure
2.1. Hybrid Plasmonic Slot Waveguide
2.2. Graphene Film
3. Design and Optimization
3.1. w1
3.2. h1
3.3. w2
3.4. h2
3.5. wB1
3.6. hB2 and hB3
4. Performance and Discussion
4.1. µc
4.2. Optical Bandwidth
4.3. Frequency Response and Power Consumption
4.4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Ref. | Bandwidth (nm) | Re(ΔNeff) | MD (dB/μm) | ΔMD (dB/μm) | f3dB (GHz) | Ebit (fJ/bit) |
---|---|---|---|---|---|---|
[29] | 1500–1600 | - | 0.06 | 0 | 13.4 | - |
[30] | 1500–1600 | - | 0.08 | 0 | 80 | - |
[31] | 1200–1600 | - | mode A: 1.05, mode B: 1.13, mode C: 0.52 | Min: 0.08 Max: 0.61 | 95 | 138.8 |
[32] | 1530–1565 | 4.7 × 10−3 | TM mode: ~0.2975, TE mode: ~0.2895 | ~8 × 10−3 | 30.2 | 2980 |
[33] | 1367–1771 | ~0.5 | TM mode: 1.113, TE mode: 1.119 | ~6 × 10−3 | 6.1 | 7800 |
[34] | 1450–1650 | ~0.1 | TM mode: 1.392, TE mode: 1.347 | 0.045 | ~100 | - |
[35] | 1300–1800 | 1.2 × 10−3 | - | - | 135.6 | - |
This work | 1100–1900 | 5 × 10−2 | TE mode: 0.511, complex mode: 0.502 | 0.009 | 127 | 72 |
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Liu, S.; Wang, M.; Liu, T.; Xu, Y.; Yue, J.; Yi, Y.; Sun, X.; Zhang, D. Polarization-Insensitive Graphene Modulator Based on Hybrid Plasmonic Waveguide. Photonics 2022, 9, 609. https://doi.org/10.3390/photonics9090609
Liu S, Wang M, Liu T, Xu Y, Yue J, Yi Y, Sun X, Zhang D. Polarization-Insensitive Graphene Modulator Based on Hybrid Plasmonic Waveguide. Photonics. 2022; 9(9):609. https://doi.org/10.3390/photonics9090609
Chicago/Turabian StyleLiu, Songyue, Manzhuo Wang, Tingyu Liu, Yan Xu, Jianbo Yue, Yunji Yi, Xiaoqiang Sun, and Daming Zhang. 2022. "Polarization-Insensitive Graphene Modulator Based on Hybrid Plasmonic Waveguide" Photonics 9, no. 9: 609. https://doi.org/10.3390/photonics9090609