Reconfigurable Add–Drop Optical Filter Based on Arrays of Digital Micromirrors
作者： Maciej T. Knapczyk , Luis Grave de Peralta , Ayrton A. Bernussi , Henryk Temkin
关键词: Ripple 、 Optical switch 、 Optical filter 、 Electronic engineering 、 Filter (signal processing) 、 Computer science 、 Optical communication 、 Extinction ratio 、 Passband 、 Optics 、 Insertion loss
摘要: We demonstrate a universal reconfigurable add-drop optical filter based on arrays of digital micromirrors. Our approach allows for reconfiguration the device parameters operation in different sets channel wavelengths, even or uneven channel-to-channel separation, adjustable passband, and dynamic signals. The proposed shows insertion loss at center wavelength all-pass configuration 7.6 dB, extinction ratio 35 isolation better than 24dB, negligible ripple, possibility time order microseconds. Although designed demonstration telecommunication frequencies, high-flexibility features allow it to be used other wavelength-based filtering/switching applications.
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