Low-loss polysilicon subwavelength grating waveguides and narrowband Bragg reflectors in bulk CMOS
The performance of a photonic functional device in bulk CMOS has been limited by the high
propagation loss in polysilicon strip waveguide. Based on the zero-process-change …
propagation loss in polysilicon strip waveguide. Based on the zero-process-change …
Side-mode suppressed filter based on anangular grating-subwavelength grating microring resonator with high flexibility in wavelength design
N Wu, L Xia - Applied Optics, 2019 - opg.optica.org
The subwavelength grating microring resonator (SWGMRR)-based filter is a promising
device in optical sensing and communication. However, its comb spectrum nature is not …
device in optical sensing and communication. However, its comb spectrum nature is not …
Ultra-broadband add-drop filter/switch circuit using subwavelength grating waveguides
An ultrabroadband add-drop filter/switch circuit is designed and demonstrated by integrating
a pair of subwavelength grating waveguides in a 2× 2 Mach-Zehnder interferometer …
a pair of subwavelength grating waveguides in a 2× 2 Mach-Zehnder interferometer …
Ultracompact bandwidth-tunable filter based on subwavelength grating-assisted contra-directional couplers
K Wang, Y Wang, X Guo, Y Zhang, A He… - Frontiers of Optoelectronics, 2021 - Springer
An ultracompact, bandwidth-tunable filter has been demonstrated using a silicon-on-
insulator (SOI) wafer. The device is based on cascaded grating-assisted contra-directional …
insulator (SOI) wafer. The device is based on cascaded grating-assisted contra-directional …
Design of highly sensitive interferometric sensors based on subwavelength grating waveguides operating at the dispersion turning point
T Huang, G Xu, X Tu, G Zhang, R Lei, Y Wu, J Pan… - JOSA B, 2021 - opg.optica.org
In this paper, a dual-mode interferometric sensor based on a subwavelength grating (SWG)
waveguide is proposed. The design operates at the dispersion turning point (DTP) of the two …
waveguide is proposed. The design operates at the dispersion turning point (DTP) of the two …
[PDF][PDF] 层叠亚波长光栅中的模式匹配分析法
张锦龙， 史帅凯， 焦宏飞， 程鑫彬 - Acta Optica Sinica, 2020 - researching.cn
摘要模式匹配分析法是计算亚波长光栅衍射效应的一种高效方法. 对于亚波长层叠光栅,
相邻的不同介质层边界处电磁场切向分量连续, 每层中电磁场的各个波导模式对该层中电磁场的 …
相邻的不同介质层边界处电磁场切向分量连续, 每层中电磁场的各个波导模式对该层中电磁场的 …
Influence of discontinuities on photonic waveguides
Fabrication-induced imperfections in photonic wire waveguides, such as roughness,
stitching errors, and discontinuities, degrade their performance and thereby lower the yield …
stitching errors, and discontinuities, degrade their performance and thereby lower the yield …
Periodic waveguide structures for on-chip modulation and sensing
In this paper, we summarize the recent progress on silicon photonics modulators and
sensors with an emphasize on the innovation in waveguide structure. We will introduce two …
sensors with an emphasize on the innovation in waveguide structure. We will introduce two …
Recent advances in metamaterial integrated photonics
Since the invention of the silicon subwavelength grating waveguide in 2006, subwavelength
metamaterial engineering has become an essential design tool in silicon photonics …
metamaterial engineering has become an essential design tool in silicon photonics …
Anisotropic subwavelength grating perturbation enables zero crosstalk in a leaky mode
Electromagnetic coupling via either exponentially decaying evanescent field or radiative
wave is a primary characteristic of light, allowing optical signal/power transfer but limiting …
wave is a primary characteristic of light, allowing optical signal/power transfer but limiting …