Title :
High-coupling efficiency vertical ARROW coupler with large tolerance and short coupling length for three-dimensional optical interconnects
Author :
Ikuta, S. ; Sekimoto, T. ; Wugen Pan ; Sai Tak Chu ; Kokubun, Y.
Author_Institution :
Dept. of Electr. & Comput. Eng., Yokohama Nat. Univ., Japan
Abstract :
A compact ARROW-type vertical coupler for three-dimensional optical interconnects was demonstrated. The refractive index and thickness of intermediate cladding were optimally designed to achieve large fabrication tolerance and short coupling length with high coupling efficiency. Very short coupling length of 800 μm and high coupling efficiency of 96% were experimentally demonstrated.
Keywords :
claddings; integrated optics; integrated optoelectronics; optical directional couplers; optical interconnections; optical waveguides; 3D optical interconnects; 800 mum; 96 percent; compact ARROW-type vertical coupler; high coupling efficiency; high-coupling efficiency vertical ARROW coupler; intermediate cladding; large fabrication tolerance; large tolerance; optimally designed; refractive index; short coupling length; thicken; very short coupling length; Coupling circuits; Directional couplers; Integrated optics; Optical coupling; Optical device fabrication; Optical interconnections; Optical refraction; Optical waveguides; Propagation constant; Refractive index;
Journal_Title :
Photonics Technology Letters, IEEE
