Optical waveguides – Directional optical modulation within an optical waveguide – Light intensity dependent
Reexamination Certificate
2005-01-25
2005-01-25
Bovernick, Rodney (Department: 2874)
Optical waveguides
Directional optical modulation within an optical waveguide
Light intensity dependent
C385S045000, C385S022000
Reexamination Certificate
active
06847741
ABSTRACT:
Optical apparatus and optical switching methods that provide optical high data rate switching at a wavelength or packet level using optical tone addressing. Optical signal routing is a result of optically induced total internal reflection at the intersection of an X-junction waveguide structure. The total internal reflection effect is controlled by a high intensity optical pump beam separate from the optical data signal. Total internal reflection may result from a free-carrier induced change in refractive index, which is a nonlinear effect found in common III-V semiconductors and selected polymers. Optical switching networks may be formed using cascaded pluralities of optical waveguide switches.
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Sakamoto Steven R.
Spickermann Ralph
Bovernick Rodney
Float Kenneth W.
Lockheed Martin Corp
Stahl Mike
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