… and shallowly etched waveguides was implemented in the … TE 1 modes, achieving ultralow
loss and imbalance. Here, the … this is the lowest loss silicon waveguide crossing for both TE …

… an ultra-low loss waveguide crossing using a combination of strip and rib waveguides in the
… lowest loss dual-mode waveguide crossing for MDM systems. A combination of strip and rib …

… However, the high structural birefringence of SOI platform introduces a large effective
refractive index gap and an imbalanced performance of TE and TM polarizations in the previous …

… arrays with < 0.01 dB insertion loss per crossing are proposed using cascaded multimode-…
101 waveguide crossing array with a pitch of 3.08 μm. Insertion loss of ∼ 0.02 dB per crossing …

… The design methodology in this work was based on our previous report of a low-loss
waveguide crossing at 1550 nm [6]. Note that similar crossing design was earlier reported by …

… -compact four-mode parallel waveguide crossing by only partially … waveguide are converted
and subsequently coupled into the unused high order mode inside the other bus waveguide …

… waveguide crossing with different wavelengths in the same direction. The waveguide crossing
… × 3.6 μm, which is a very compact waveguide crossing. In the 150 nm working bandwidth …

… We demonstrated an ultralow-loss and low-crosstalk waveguide crossing operating in the
O-band based on the Gaussian beam synthesis. Elliptical parabolic inverted tapers were …

… X,Zj and is crossed by a Ti-waveguide. The TM polarized wave … E,(t) into the waveguide and
modulates the wave phase via … is launched into the waveguide using a microscope objective …

… device design with extremely low imbalance and insertion loss. … for the phased-array
waveguides. The design procedure … without waveguide crossing are chosen, consistent with low …