Optical: systems and elements – Optical frequency converter – Parametric oscillator
Reexamination Certificate
2005-06-30
2009-12-08
Petkovsek, Daniel (Department: 2874)
Optical: systems and elements
Optical frequency converter
Parametric oscillator
C330S004500
Reexamination Certificate
active
07630126
ABSTRACT:
Two-pump optical parametric devices (OPDs), and methods of operating the same, generate desired output signals and idlers having reduced stimulated Raman scattering (SRS) noise levels. When the two-pump OPD is used as a two-pump optical parametric amplifier (OPA), the pumps are polarized perpendicular to each other, and the lower-frequency sideband (signal or idler) is polarized parallel to the lower-frequency pump (perpendicular to the higher-frequency pump). The desired output may be an amplified signal or a generated idler. When the two-pump OPD is used as a two-pump optical frequency converter (OFC), the pumps can be polarized parallel to one another, in which case the signal and idler are both perpendicular to the pumps, or perpendicular to one another, in which case the lower-frequency sideband (signal or idler) is polarized parallel to the lower-frequency pump (perpendicular to the higher-frequency pump).
REFERENCES:
patent: 6330104 (2001-12-01), Kim et al.
patent: 6529314 (2003-03-01), Shukunami et al.
patent: 7145715 (2006-12-01), Chraplyvy et al.
patent: 2004/0042060 (2004-03-01), McKinstrie et al.
Alcatel-Lucent USA Inc.
Petkovsek Daniel
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