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Low-loss tunable bandpass filters (BPFs) using partially magnetized ferrites is presented. A magnetic field tunable BPFs was designed based on partially magnetized yttrium iron garnet (YIG) operating at 6.17 GHz, which shows low insertion loss and a large frequency tunability of under a low bias field of 100 Oe. Power handling measurement on the tunable BPF with partially magnetized...
A compact magnetically tunable bandpass filter on partially magnetized yttrium iron garnet (YIG) substrate is presented. The bandpass filter led to a large frequency tunability of 7% (from 5.77 to 6.2GHz) under a low bias field of 0 to 100 Oe, while partially magnetized ferrites exhibit a tunable permeability μr range from 0.71 to 0.94. The bandpass filter also exhibited a good impedance match and...
We demonstrate an 85Gb/s XOR gate using dual ultrafast nonlinear interferometer elements based on cross-phase modulation in semiconductor optical amplifiers. The operating speed of the logic gate was enhanced by incorporating the turbo-switch configuration.
We demonstrate error-free all-optical 40Gb/s wavelength conversion using nonlinear polarisation rotation in semiconductor optical amplifiers (SOAs). The high speed of the device is achieved by incorporating an SOA-based turbo-switch. The switching energy is 10fJ/pulse.
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