Surface-plasmon-assisted optical frequency conversion

Details Surface-plasmon-assisted optical frequency conversion Surface-plasmon-assisted optical frequency conversion

2011-04-05

2011-04-05

Petkovsek, Daniel (Department: 2874)

Optical waveguides

Having nonlinear property

C385S010000, C385S014000, C385S037000, C385S131000, C359S332000, C372S022000

Reexamination Certificate

active

07920766

ABSTRACT:
An optical frequency converter that uses a nonlinear optical process to transfer energy between a surface-plasmon (SP) wave that is guided along an electrically conducting strip and a light beam that is guided along an optical waveguide whose core is adjacent to the electrically conducting strip. The optical frequency converter has a periodic structure that spatially modulates the nonlinear susceptibility of the waveguide core with a spatial period that is related to a momentum mismatch in the nonlinear optical process. The spatial modulation provides quasi-phase matching for the SP wave and the light beam and enables efficient energy transfer between them.

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