Title :
Multimode interference based ultra-low loss silicon waveguide crossing
Author :
Yang Zhang ; Hosseini, Amir ; Xiaochuan Xu ; Kwong, David ; Chen, Ray T.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Texas at Austin, Austin, TX, USA
Abstract :
We design and fabricate waveguide crossing arrays based on optimized multimode interference. Insertion loss of ~0.02dB per crossing and crosstalk <;-40dB at 1550nm operating wavelength and broad transmission spectrum of 90nm are experimentally demonstrated.
Keywords :
integrated optics; light interference; optical arrays; optical crosstalk; optical design techniques; optical fabrication; optical losses; optical waveguides; silicon; Si; broad transmission spectrum; insertion loss; loss -0.02 dB; operating wavelength; optical crosstalk; optimized multimode interference; ultralow loss silicon waveguide crossing; waveguide crossing array design; waveguide crossing array fabrication; wavelength 1550 nm; wavelength 90 nm; Arrayed waveguide gratings; Insertion loss; Interference; Optical losses; Photonics; Silicon; Waveguide crossing; multimode interference; subwavelength nanostructure;
Conference_Titel :
Optical Interconnects Conference, 2014 IEEE
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4799-2467-7
DOI :
10.1109/OIC.2014.6886117
