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At data rates beyond 10Gb/s, most wireline links employ NRZ signaling. Serial NRZ links as high as 56Gb/s and 60Gb/s have been reported [1]. Nevertheless, as the rate increases, the constraints imposed by the channel, package, and die become more severe and do not benefit from process scaling in the same fashion that circuit design does. Reflections from impedance discontinuities in the PCB and package...
A novel bandwidth-tunable optical filter based on a microelectromechanical-system-actuated microdisk resonator is utilized for dynamic bandwidth allocation. The filter bandwidth can be dynamically adjusted by voltage tuning the gap spacing between the two waveguides and microdisk. Three key applications of dynamic bandwidth allocation are demonstrated experimentally. Matched optical filtering is achieved...
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