The vector modal patterns of anisotropic fiber couplers composed of nonidentical cores with nonaligned optical axes are presented. The four normal modes have different propagation constants with the corresponding electrical-field vectors pointing in different directions.
© 1989 Optical Society of America
Original Manuscript: February 24, 1989
Manuscript Accepted: May 23, 1989
Published: August 15, 1989
Yijiang Chen and A. W. Snyder, "Anisotropic couplers composed of nonidentical cores with nonaligned optical axes," Opt. Lett. 14, 883-885 (1989)