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A bandpass filter with a record high-Q of approximately 80 million is proposed, based on the electromagnetic-induced-transparency (EIT)-like effect in TM mode, which is the highest Q of the ever published integrated bandpass filters.
We propose and demonstrate a versatile, low-loss, polarization-insensitive, and wideband mode converter that can be utilized for mode conversion as a basic component in various photonic integrated circuits. The proposed converter is comprised of two reverse wedge-shaped waveguides and can be easily fabricated by a standard fabrication process. To verify its good performance and universality, we present...
Digital signal processing has achieved great success in the field of signal processing over the past several decades. However, as the bandwidth requirement increases, the power consumption and effective number of bits (ENOB) of the analog-to-digital convertor (ADC) have become bottlenecks. One solution is returning to analog and applying microwave photonic technologies, which shows potential for multiband...
A novel variable optical attenuator (VOA) based on two coupled rings in silicon-on-insulator (SOI) waveguides has been proposed and experimentally demonstrated, from which an attenuation varying from 0 dB to 35 dB can be obtained.
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