The cutoff frequencies of coaxial optical couplers have been computed using the transverse resonance technique. It is shown that a coupler supports normally at least three modes. The results are applicable to both coaxial couplers and segmented-core fibers of the same profile.
© 1985 Optical Society of America
Original Manuscript: October 10, 1984
Manuscript Accepted: November 26, 1984
Published: February 1, 1985
A. C. Boucouvalas, "Mode-cutoff frequencies of coaxial optical couplers," Opt. Lett. 10, 95-97 (1985)