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    • 61. 发明授权
    • Tunable radio frequency and microwave photonic filters
    • 可调谐射频和微波光子滤波器
    • US07587144B2
    • 2009-09-08
    • US11034232
    • 2005-01-11
    • Vladimir IlchenkoLutfollah Maleki
    • Vladimir IlchenkoLutfollah Maleki
    • H04B10/04
    • G02F1/011G02F2201/16G02F2203/055G02F2203/15H04B10/505H04B10/60
    • RF and microwave devices and techniques are disclosed for processing RF and microwave signals by using (1) photonic or optical components and (2) RF and microwave components. In some implementations, a part of the processing is performed in the RF and microwave domain such as applying a microwave or RF input signal to control an optical modulator ,and another part of the processing is performed in the optical domain such as optical filtering of the modulated optical beam to select desired microwave or RF spectral components. The frequency of a selected spectral component can be tuned by either tuning the frequency of the optical beam that is modulated by the optical modulator or a filter that is used to filter modulated optical beam.
    • 公开了RF和微波器件和技术,用于通过使用(1)光子或光学部件和(2)RF和微波部件来处理RF和微波信号。 在一些实现中,处理的一部分在RF和微波域中执行,例如施加微波或RF输入信号以控制光学调制器,并且在光学域中执行另一部分处理,例如光学滤波 调制光束以选择所需的微波或RF频谱分量。 可以通过调谐由光调制器调制的光束的频率或用于滤波调制的光束的滤波器来调谐所选频谱分量的频率。