Title :
Gaussian Beams on a Silicon-on-Insulator Chip Using Integrated Optical Lenses
Author :
Guanghui Ren ; Nguyen, Thach G. ; Mitchell, A.
Author_Institution :
Sch. of Electr. & Comput. Eng., RMIT Univ., Melbourne, VIC, Australia
Abstract :
An on-chip optical lens, which can launch expanded and well-collimated Gaussian beams in planar free space with control over propagation angles has been designed, fabricated, and characterized. The results agree well with simulations, maintaining a beam width between 26- and 28-μm beam width even after 750-μm propagation in free space on a silicon chip. Changing the position of the launched field enables the propagation angle to be varied. Both continuous and discrete angle variations have been experimentally demonstrated.
Keywords :
integrated optoelectronics; lenses; light propagation; optical design techniques; optical fabrication; silicon-on-insulator; Si; beam width; continuous angle variation; discrete angle variation; integrated optical lenses; on-chip optical lens; planar free space; propagation angle; silicon chip; silicon-on-insulator chip; size 26 mum to 28 mum; well-collimated Gaussian beams; Couplers; Lenses; Optical device fabrication; Optical fibers; Optical imaging; Integrated optics devices; collimation; lenses; wave propagation;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2014.2326671
