Universal multimode waveguide crossing based on transformation optics

S Li, Y Zhou, J Dong, X Zhang, E Cassan, J Hou… - Optica, 2018 - opg.optica.org
Mode-division multiplexing is a promising and cost-effective way to increase the
communication capability of integrated photonic circuits, for both classical and quantum …

Fast and efficient silicon thermo-optic switching based on reverse breakdown of pn junction

X Li, H Xu, X Xiao, Z Li, Y Yu, J Yu - Optics letters, 2014 - opg.optica.org
We propose and demonstrate a fast and efficient silicon thermo-optic switch based on
reverse breakdown of the pn junction. Benefiting from the direct heating of silicon waveguide …

Beam shaping for ultra-compact waveguide crossings on monolithic silicon photonics platform

S Chandran, M Dahlem, Y Bian, P Moreira, AP Jacob… - Optics Letters, 2020 - opg.optica.org
A beam shaping approach has been implemented to realize high-performance waveguide
crossings based on cosine tapers. Devices with a compact footprint of 4.7 µm× 4.7 µm were …

40 Gb/s all-silicon photodetector based on microring resonators

X Li, Z Li, X Xiao, H Xu, J Yu… - IEEE Photonics …, 2015 - ieeexplore.ieee.org
We experimentally demonstrate the first all-silicon microring photodetector with 40-Gb/s
operation speed based on the defect-assisted subbandgap avalanche mechanism in …

A broadband, low-crosstalk and low polarization dependent silicon nitride waveguide crossing based on the multimode-interference

H Yang, P Zheng, G Hu, R Zhang, B Yun, Y Cui - Optics Communications, 2019 - Elsevier
A silicon nitride waveguide crossing based on multimode-interference is designed and
fabricated. By optimizing the structure parameters with finite difference time domain method …

Broadband low loss and ultra-low crosstalk waveguide crossings based on a multimode interferometer for 840 nm operation

S Nevlacsil, P Muellner, M Sagmeister, J Kraft… - OSA …, 2020 - opg.optica.org
Broadband low loss and ultra-low crosstalk waveguide crossings are a crucial component
for photonic integrated circuits to allow a higher integration density of functional components …

Compact silicon slot waveguide intersection based on mode transformation and multimode interference

KS Kim, QV Vuong, Y Kim, MS Kwon - IEEE Photonics Journal, 2017 - ieeexplore.ieee.org
Silicon slot waveguide intersections are necessary for photonic-integrated circuits based on
silicon slot waveguides. We theoretically investigate a compact silicon slot waveguide …

Compact waveguide crossings with a cascaded multimode tapered structure

CH Chen - Applied Optics, 2015 - opg.optica.org
A compact waveguide crossing constructed by a cascaded multimode tapered structure is
numerically presented. By using an eigenmode expansion method, we observe that the …

硅波导纵向多模式分离与交叉的片上解决方案

朱凝, 骆晖, 张凯, 刘琼, 汪洋 - 华南师范大学学报(自然科学版 …, 2020 - journal-n.scnu.edu.cn
为了解决硅纳米光子集成器件中纵向分布多模式波导的分离和交叉, 提出了一种基于平面阶梯
光栅和非对称定向耦合器的模式分离方案, 并设计了一种带有曲面反射镜的器件 …

Theoretical investigation of intersections of metal-insulator-silicon-insulator-metal waveguides

MS Kwon, Y Kim - IEEE Photonics Journal, 2016 - ieeexplore.ieee.org
We theoretically investigate simple, circle-shaped, and diamond-shaped intersections of
metal-insulator-silicon-insulator-metal (MISIM) waveguides. Because of the strong light …