The surface modes of metal-clad four-layer waveguides were theoretically analyzed. We showed that the long-range surface modes can be excited in such waveguides. The long-range surface modes were experimentally studied with the angle scanning attenuated-total-reflection method; the dependence of wave vector and loss of these modes on the waveguide parameters were measured. Experimental results were in good agreement with theoretical calculations.
© 1986 Optical Society of America
Original Manuscript: May 23, 1986
Published: November 1, 1986
Fuzi Yang, Zhangqi Cao, Lizhen Ruan, and Junxin Fang, "Long-range surface modes of metal-clad four-layer waveguides," Appl. Opt. 25, 3903-3908 (1986)