Insulators are materials in which electrons cannot move freely. Past theoretical studies predicted the existence of an unusual insulating state dubbed obstructed atomic insulator (OAI), in which ...
SiN Based IIR Elliptic Half Band Filter at 193 THz with Low Insertion Loss and High Extinction Ratio
Abstract: An optical half-band Infinite Impulse Response (IIR) elliptic filter is proposed for optical signal processing, offering low insertion loss and a high extinction ratio for microwave ...
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