Abstract

A near-field index-profile measurement technique is applied to check the presence of leaky tunneling rays in multimode nearly elliptical fibers. If the fiber is uniformly illuminated, the profiles turn out to be quite flat because the contribution to the near field of the leaky tunneling modes is practically negligible after a short fiber length owing to the tunneling–radiating effect that both whispering and bouncing modes undergo.

© 1981 Optical Society of America

Tunneling–radiating effect in elliptical step-index fibers

P. F. Checcacci, R. Falciai, and A. M. Scheggi
Opt. Lett. 5(4) 145-146 (1980)

Applicability of an asymptotic numerical method to the determination of whispering and bouncing modes in elliptical fibers

P. F. Checcacci, R. Falciai, and A. M. Scheggi
J. Opt. Soc. Am. 70(12) 1551-1554 (1980)

Soliton propagation in multimode optical fibers

Bruno Crosignani and Paolo Di Porto
Opt. Lett. 6(7) 329-330 (1981)

Sagnac effect in fiber gyroscopes

H. J. Arditty and H. C. Lefèvre
Opt. Lett. 6(8) 401-403 (1981)

Subpicosecond temporal display of fiber mode patterns by coherent optical filtering

A. Barthelemy and J. Piasecki
Opt. Lett. 6(6) 269-271 (1981)