Focusing-curved subwavelength grating couplers for ultra-broadband silicon photonics optical interfaces
We report on the design and characterization of focusing-curved subwavelength grating
couplers for ultra-broadband silicon photonics optical interfaces. With implementation of …
couplers for ultra-broadband silicon photonics optical interfaces. With implementation of …
Recent advances in silicon waveguide devices using sub-wavelength gratings
As most integrated optics platforms, silicon offers only a fixed set of material refractive
indices for designing devices. The ability of sub-wavelength patterned structures to …
indices for designing devices. The ability of sub-wavelength patterned structures to …
Blazed subwavelength grating coupler
R Guo, S Zhang, H Gao, GS Murugan, T Liu… - Photonics …, 2023 - opg.optica.org
Short-wavelength mid-infrared (2–2.5 μm wave band) silicon photonics has been a growing
area to boost the applications of integrated optoelectronics in free-space optical …
area to boost the applications of integrated optoelectronics in free-space optical …
Sub-decibel silicon grating couplers based on L-shaped waveguides and engineered subwavelength metamaterials
The availability of low-loss optical interfaces to couple light between standard optical fibers
and high-index-contrast silicon waveguides is essential for the development of chip …
and high-index-contrast silicon waveguides is essential for the development of chip …
Grating couplers beyond silicon TPA wavelengths based on MPW
W Chen, J Wu, D Wan, J Wang, J Wang… - Journal of Physics D …, 2021 - iopscience.iop.org
Silicon photonic integrated circuits (PICs) at 2.2–2.5 μm wavelengths have great potential in
applications of nonlinear optics, spectroscopy, and light detection and ranging, due to the …
applications of nonlinear optics, spectroscopy, and light detection and ranging, due to the …
Focusing sub-wavelength grating couplers with low back reflections for rapid prototyping of silicon photonic circuits
We demonstrate fully-etched fiber-waveguide grating couplers with sub-wavelength gratings
showing high coupling efficiency as well as low back reflections for both transverse electric …
showing high coupling efficiency as well as low back reflections for both transverse electric …
Efficient low-reflection fully etched vertical free-space grating couplers for suspended silicon photonics
We design and fabricate a grating coupler for interfacing suspended silicon photonic
membranes with free-space optics while being compatible with single-step lithography and …
membranes with free-space optics while being compatible with single-step lithography and …
Silicon photonic contradirectional couplers using subwavelength grating waveguides
We propose and demonstrate a novel design of contradirectional couplers in which a
subwavelength grating (SWG) waveguide replaces one of the asymmetric waveguides of the …
subwavelength grating (SWG) waveguide replaces one of the asymmetric waveguides of the …
High-efficiency reflector-less dual-level silicon photonic grating coupler
We present the design and experimentally demonstrate a dual-level grating coupler with
subdecibel efficiency for a 220 nm thick silicon photonics waveguide which was fabricated …
subdecibel efficiency for a 220 nm thick silicon photonics waveguide which was fabricated …
A compact and polarization-insensitive silicon waveguide crossing based on subwavelength grating MMI couplers
In this work, we proposed and experimentally demonstrated a compact and low polarization-
dependent silicon waveguide crossing based on subwavelength grating multimode …
dependent silicon waveguide crossing based on subwavelength grating multimode …