Hybrid plasmonic waveguide with centimeter-scale propagation length for nanoscale optical confinement

2016 ◽  
Vol 55 (36) ◽  
pp. 10341 ◽  
Author(s):  
Sandeep Dahiya ◽  
Suresh Kumar ◽  
B. K. Kaushik
Keyword(s):  
Plasmonic Waveguide ◽  
Optical Confinement ◽  
Propagation Length ◽  
Hybrid Plasmonic Waveguide

scholarly journals A Triangle Hybrid Plasmonic Waveguide with Long Propagation Length for Ultradeep Subwavelength Confinement

Crystals ◽  
2022 ◽  
Vol 12 (1) ◽  
pp. 64
Author(s):  
Qian Zhang ◽  
Jinbin Pan ◽  
Shulong Wang ◽  
Yongqian Du ◽  
Jieyu Wu
Keyword(s):  
Plasmonic Waveguide ◽  
Ohmic Loss ◽  
Plasmonic Waveguides ◽  
Propagation Length ◽  
Silicon Waveguide ◽  
Hybrid Plasmonic Waveguide ◽  
Light Waves ◽  
Fabrication Errors ◽  
Application Fields ◽  
Mode Area

Facing the problems of ohmic loss and short propagation length, the application of plasmonic waveguides is limited. Here, a triangle hybrid plasmonic waveguide is introduced, where a cylinder silicon waveguide is separated from the triangle prism silver waveguide by a nanoscale silica gap. The process of constant optimization of waveguide structure is completed and simulation results indicate that the propagation length could reach a length of 510 μm, and the normalized mode area could reach 0.03 along with a high figure of merit 3150. This implies that longer propagation length could be simultaneously achieved along with relatively ultra-deep subwavelength mode confinement due to the hybridization between metallic plasmon polarization mode and silicon waveguide mode, compared with previous study. By an analysis of fabrication errors, it is confirmed that this waveguide is fairly stable over a wide error range. Additionally, the excellent performance of this is further proved by the comparison with other hybrid plasmonic waveguides. Our work is significant to manipulate light waves at sub-wavelength dimensions and enlarge the application fields, such as light detection and photoelectric sensors, which also benefit the improvement of the integration of optical devices.

Hybrid plasmonic waveguide incorporating an additional semiconductor stripe for enhanced optical confinement in the gap region

2013 ◽  
Vol 15 (3) ◽  
pp. 035503 ◽  
Author(s):  
Yusheng Bian ◽  
Zheng Zheng ◽  
Xin Zhao ◽  
Lei Liu ◽  
Yalin Su ◽  
...  
Keyword(s):  
Plasmonic Waveguide ◽  
Optical Confinement ◽  
Hybrid Plasmonic Waveguide

Tuning SPP propagation length of hybrid plasmonic waveguide by manipulating evanescent field

2020 ◽  
Vol 462 ◽  
pp. 125335 ◽  
Author(s):  
Nguyen Thanh Huong ◽  
Nguyen Duy Vy ◽  
Minh-Tuan Trinh ◽  
Chu Manh Hoang
Keyword(s):  
Evanescent Field ◽  
Plasmonic Waveguide ◽  
Propagation Length ◽  
Hybrid Plasmonic Waveguide

scholarly journals Graphene Electro-Optical Switch Modulator by Adjusting Propagation Length Based on Hybrid Plasmonic Waveguide in Infrared Band

Sensors ◽  
2020 ◽  
Vol 20 (10) ◽  
pp. 2864 ◽  
Author(s):  
Ming Cai ◽  
Shulong Wang ◽  
Zhihong Liu ◽  
Yindi Wang ◽  
Tao Han ◽  
...  
Keyword(s):  
Near Infrared ◽  
Modulation Depth ◽  
Optical Switch ◽  
Incident Light ◽  
Plasmonic Waveguide ◽  
Infrared Band ◽  
Propagation Length ◽  
Sio2 Substrate ◽  
Hybrid Plasmonic Waveguide ◽  
High Modulation

A modulator is the core of many optoelectronic applications such as communication and sensing. However, a traditional modulator can hardly reach high modulation depth. In order to achieve the higher modulation depth, a graphene electro-optical switch modulator is proposed by adjusting propagation length in the near infrared band. The switch modulator is designed based on a hybrid plasmonic waveguide structure, which is comprised of an SiO2 substrate, graphene–Si–graphene heterostructure, Ag nanowire and SiO2 cladding. The propagation length of the hybrid plasmonic waveguide varies from 0.14 μm to 20.43 μm by the voltage tunability of graphene in 1550 nm incident light. A modulator with a length of 3 μm is designed based on the hybrid waveguide and it achieves about 100% modulation depth. The lower energy loss (~1.71 fJ/bit) and larger 3 dB bandwidth (~83.91 GHz) are attractive for its application in a photoelectric integration field. In addition, the excellent robustness (error of modulation effects lower than 8.84%) is practical in the fabrication process. Most importantly, by using the method of adjusting propagation length, other types of graphene modulators can also achieve about 100% modulation depth.

TM01mode in a cylindrical hybrid plasmonic waveguide with large propagation length

2018 ◽  
Vol 57 (15) ◽  
pp. 4043 ◽  
Author(s):  
Ji Xu ◽  
Nannan Shi ◽  
Yilin Chen ◽  
Xinyi Lu ◽  
Hongyu Wei ◽  
...  
Keyword(s):  
Plasmonic Waveguide ◽  
Propagation Length ◽  
Hybrid Plasmonic Waveguide

scholarly journals Theoretical Analysis of On-chip Vertical Hybrid Plasmonic Nanograting

2021 ◽  
Author(s):  
Mandeep Singh
Keyword(s):  
Numerical Simulation ◽  
Plasmonic Waveguide ◽  
Propagation Loss ◽  
Optical Confinement ◽  
Propagation Length ◽  
3D Finite Element ◽  
Cmos Compatible ◽  
On Chip ◽  
3D Finite Element Method ◽  
Low Dispersion

Abstract a CMOS compatible photonic-plasmonic waveguide with nanoscale optical confinement has been proposed for the infrared (IR)-band applications. The design is based on the multilayer hybrid plasmonic waveguide (Si-SiO2-Au) structure. The 3D-finite element method (FEM) numerical simulation of single slot HPWG confirms 2.5 dB/cm propagation loss and 15 um− 2 confined intensity. Moreover, its application as dual-slot nanograting is studied which shows better propagation length and ultra-low dispersion near the 1550 nm wavelength. Hence, proposed low-dispersion design is suitable for future on-chip nanophotonic components in the IR band.

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