We show numerically and experimentally that second-harmonic generation in spatially nonsymmetrical structures can show a direction-dependent or nonreciprocal behavior under a variety of conditions.
© 1996 Optical Society of America
Original Manuscript: April 22, 1996
Published: September 15, 1996
Carlos G. Treviño-Palacios, George I. Stegeman, and Pascal Baldi, "Spatial nonreciprocity in waveguide second-order processes," Opt. Lett. 21, 1442-1444 (1996)