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5940418 | Shields | Aug 1999 | A |
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6047011 | Cook | Apr 2000 | A |
6141369 | Seelert et al. | Oct 2000 | A |
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6347102 | Konno et al. | Feb 2002 | B1 |
6381255 | Van Saarloos et al. | Apr 2002 | B1 |
6480325 | Batchko et al. | Nov 2002 | B1 |
Entry |
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David Eimerl, “Quadrature Frequency Conversion”, IEEE Journal of Quantum Electronics, vol. QE-23. No. 8, pp. 1361-1371, Aug. 1987. |