We report on a compact, broadband, 2× 2 adiabatic 3 dB coupler using sub-wavelength
gratings (SWGs) for silicon-on-insulator waveguides. In our device, two SWG waveguides …

We report on a compact, ultra-broadband, 2× 2 adiabatic 3 dB coupler using silicon-on-
insulator (SOI) strip waveguides assisted by sub-wavelength gratings (SWGs). In our device …

We demonstrate a compact high-performance adiabatic 3-dB coupler for the silicon-on-
insulator platform. The refractive index of the gap region between two coupling waveguides …

We experimentally demonstrate compact broadband directional couplers using
subwavelength gratings for silicon-on-insulator wafers with silicon layers of 220 nm. The …

A silicon-on-insulator-based adiabatic waveguide taper with a high coupling efficiency and
small footprint is presented. The taper was designed to reduce the incidence of mode …

We demonstrated 2× 2 broadband adiabatic 3-dB couplers based on silicon rib waveguides.
Functioning as 50/50 optical power splitters, these devices can be used in optoelectronic …

We propose and experimentally demonstrate an ultrabroadband and compact 2× 2 3-dB
coupler based on the trapezoidal subwavelength gratings (SWGs). The adiabatic coupling is …

2×2 Broadband adiabatic 3-dB couplers on SOI strip waveguides for TE and TM
modes Page 1 STh1F.8.pdf CLEO:2015 © OSA 2015 2x2 Broadband Adiabatic 3-dB Couplers …

We report a 2× 2 broadband and fabrication tolerant mode-evolution-based 3 dB coupler
based on silicon-on-insulator rib waveguides. The operating principle of the coupler is …

The backreflection in commonly used grating couplers on silicon-on-insulator (SOI) is not
negligible for many applications. This reflection is dramatically reduced in our improved …