Optical: systems and elements – Optical frequency converter – Parametric oscillator
Reexamination Certificate
2005-10-25
2005-10-25
Lee, John D. (Department: 2874)
Optical: systems and elements
Optical frequency converter
Parametric oscillator
C359S332000
Reexamination Certificate
active
06958855
ABSTRACT:
A fiber optical parametric oscillator is formed using photonic crystal fibers, also known as microstructure fibers or holey fibers. The optical parametric oscillator includes only a few meters of microstructure fiber. In one embodiment, the microstructure fiber is disposed between a highly reflective mirror and a diffraction grating in a simple Fabry-Perot configuration wherein the diffraction grating is tuned to reflect a particular wavelength of the signal wave back to the microstructure fiber. In another embodiment, the microstructure fiber is disposed in a ring cavity and the parametric oscillator is synchronously pumped. The parametric oscillator may be implemented with free space optics or use all fiber optic components.
REFERENCES:
patent: 6757096 (2004-06-01), Schiller
patent: 6801356 (2004-10-01), Broderick et al.
patent: 6897434 (2005-05-01), Kumar et al.
Kumar Prem
Sharping Jay E.
Lee John D.
McAndrews Held & Malloy Ltd.
Northwestern University
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