US 7,519,257 B2
Waveguide structure for guiding light in low-index material
Michal Lipson, Ithaca, N.Y. (US); Carlos Angulo Barrios, Toledo (Spain); Vilson Rosa de Almeida, Sao Jose dos Campos (Brazil); Roberto R. Panepucci, Miami, Fla. (US); and Qianfan Xu, Ithaca, N.Y. (US)
Assigned to Cornell Research Foundation, Inc., Ithaca, N.Y. (US)
Filed on Nov. 25, 2005, as Appl. No. 11/287,159.
Claims priority of provisional application 60/631053, filed on Nov. 24, 2004.
Prior Publication US 2006/0228074 A1, Oct. 12, 2006
Int. Cl. G02B 6/00 (2006.01)
U.S. Cl. 385—126  [385/132] 38 Claims
OG exemplary drawing
 
1. A light guiding structure comprising:
a pair of high refractive index regions spaced apart to form a nanometer order gap having a low refractive index adapted to operate as a waveguide by concentrating optical power in the gap and propagating the optical power along a length of the gap.