Optical: systems and elements – Optical frequency converter – Dielectric optical waveguide type
Patent
1998-07-29
2000-11-21
Lee, John D.
Optical: systems and elements
Optical frequency converter
Dielectric optical waveguide type
385122, 385125, G02F 135
Patent
active
061511552
ABSTRACT:
Methods and apparatus are disclosed for the nonlinear generation of sum and difference frequencies of electromagnetic radiation propagating in a nonlinear material. A waveguide having a waveguide cavity contains the nonlinear material. Phase matching of the nonlinear generation is obtained by adjusting a waveguide propagation constant, the refractive index of the nonlinear material, or the waveguide mode in which the radiation propagates. Phase matching can be achieved even in isotropic nonlinear materials. A short-wavelength radiation source uses phase-matched nonlinear generation in a waveguide to produce high harmonics of a pulsed laser.
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Durfee, III Charles G.
Kapteyn Henry C.
Murnane Margaret M.
Rundquist Andrew
Lee John D.
The Regents of the University of Michigan
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