An “optical ratchet” for discretized light in photonic lattices, which enables observing rectification of light refraction at any input beam conditions, is theoretically presented, and a possible experimental implementation based on periodically curved zigzag waveguide arrays is proposed.
© 2009 Optical Society of America
Original Manuscript: December 3, 2008
Manuscript Accepted: January 4, 2009
Published: February 10, 2009
Stefano Longhi, "Rectification of light refraction in curved waveguide arrays," Opt. Lett. 34, 458-460 (2009)