[HTML][HTML] A compact silicon grating coupler based on hollow tapered spot-size converter

M Asaduzzaman, M Bakaul, E Skafidas… - Scientific reports, 2018 - nature.com
A new compact silicon grating coupler enabling fibre-to-chip light coupling at a minimized
taper length is proposed. The proposed coupler, which incorporates a hollow tapered …

High efficiency and broadband two-dimensional blazed grating coupler with fully etched triangular holes

K Qin, D Gao, C Bao, Z Zhao, X Zhou, T Lu… - Journal of Lightwave …, 2012 - opg.optica.org
A 2-D blazed grating coupler with fully etched triangular holes to realize high efficient and
broadband coupling between silicon-on-insulator nanowaveguide and fiber is proposed. By …

Single etch grating couplers for mass fabrication with DUV lithography

R Halir, L Zavargo-Peche, DX Xu, P Cheben… - Optical and Quantum …, 2012 - Springer
Surface grating couplers enable efficient coupling of light between optical fibers and planar
waveguide circuits. While traditional grating designs require two etch steps for efficient …

Efficient 4.95 µm–8.5 µm dual-band grating coupler with crosstalk suppression capability

D Hu, Y Zhang, YY Zhao, XM Duan - Optics Express, 2022 - opg.optica.org
In many integrated optics systems, grating couplers are a key component of interfacing the
external light source with in-plane photonic devices. Grating couplers with dual-band …

Efficient light coupling into in-plane semiconductor nanomembrane photonic devices utilizing a sub-wavelength grating coupler

H Subbaraman, X Xu, J Covey, RT Chen - Optics express, 2012 - opg.optica.org
We report a subwavelength grating (SWG) coupler for coupling light efficiently into in-plane
semiconductor nanomembrane photonic devices for the first time. The SWG coupler consists …

Polarization-independent grating coupler for micrometric silicon rib waveguides

C Alonso-Ramos, L Zavargo-Peche, A Ortega-Moñux… - Optics letters, 2012 - opg.optica.org
Grating couplers are a promising approach to implement efficient fiber–chip coupling.
However, their strong polarization dependence makes dual-polarization operation …

Subwavelength Silicon Photonics

HK Tsang, X Chen, Z Cheng, W Zhou… - Silicon Photonics IV …, 2021 - Springer
Subwavelength gratings refer to periodic structures that have a period less than half the
wavelength of light in the material so that no Bragg diffraction mode is supported. Instead …

High positional freedom SOI subwavelength grating coupler (SWG) for 300 mm foundry fabrication

EW Ong, T Wallner, NM Fahrenkopf, DD Coolbaugh - Optics express, 2018 - opg.optica.org
We present an apodized, single etch-step, subwavelength grating (SWG) high positional
freedom (HPF) grating coupler based on the 220 nm silicon-on-insulator (SOI) with 2μm …

Silicon subwavelength grating coupler with ultra-high reproducibility, ultra-wide bandwidth, and ultra-low back reflection

S Zhang, Z Zhang, R Guo, Y Xu, S Chen… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
Subwavelength grating (SWG) couplers have attracted great attention in silicon photonics
due to the flexible capacity of index tailoring for light coupling. With the intrinsic high …

Coupling system for optical fibers and optical waveguides

K Shastri, RS Tummidi, V Patel - US Patent 9,122,037, 2015 - Google Patents
US9122037B2 - Coupling system for optical fibers and optical waveguides - Google Patents
US9122037B2 - Coupling system for optical fibers and optical waveguides - Google Patents …