Title :
An ultra-broadband fiber grating coupler with focusing curved subwavelength structures
Author :
Qiuhang Zhong ; Wei Shi ; Yun Wang ; Chrostowski, L. ; Plant, David V.
Author_Institution :
Dept. of Electr. & Comput. Eng., McGill Univ., Montreal, QC, Canada
Abstract :
We demonstrate the first fiber grating coupler with focusing curved subwavelength structures. An ultra-wide 1-dB bandwidth of over 100 nm with -6.7 dB coupling efficiency at 1550 nm has been experimentally achieved.
Keywords :
diffraction gratings; optical fibre couplers; optical focusing; coupling efficiencγ; focusing curved subwavelength structures; ultra-broadband fiber grating coupler; wavelength 1550 nm; Bandwidth; Couplings; Focusing; Gratings; Optical fiber devices; Optical fibers;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2014
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-5575-2994-7
DOI :
10.1364/OFC.2014.Th2A.15
