… Here, we demonstrate a foundry-processed blazed subwavelength coupler for high-… tolerance
light coupling. We subtly design multi-step-etched hybrid subwavelength grating structures …

… In this Letter, we proposed a subwavelength binary blazed grating coupler with coupling
efficiencies exceeding 65% at a wavelength of 1.55 μm with an 80 nm wavelength bandwidth of …

… Feng et al. also proposed a two-layer grating coupler used as a polarization beam splitter …
sensitive subwavelength grating couples [4]. The upper layer is designed for TE mode coupling…

… grating designed to be lithographically defined and etched in the sidewall of a curved Si
waveguide. The grating is blazed to … impedance matching subwavelength grating gradient index …

… The SWG mirror can also be used with blazed waveguide gratings to further enhance the
coupling efficiency. The Si-based materials have been chosen here to benefit from the …

… In this Letter we present a single-etch grating coupler design in silicon-on-insulator
platform for TM polarization, based on subwavelength gratings (SWGs), with high fiber-mode …

… In this work a vertical grating coupler which satisfies both high … a blazed sub-wavelength
structure. The measured maximum … grated a two etch-step blazed and subwavelength grating …

A grating coupler is an essential building block for compact … (SOI) based MIR subwavelength
grating coupler (SWGC) … The apodized SWGC enables high coupling efficiency of −…

… The ILs from the input and output grating couplers have been calibrated out. The measured
SWG DC covered a bandwidth of 100nm with an imbalance of ±0.7dB, which agrees with the …

… coupling by 35 dB. At the same time, the strong on/off grating mechanism leads to high …
Focusing vertical grating couplers (VGCs) optimized for TE operation are used to couple …