Optical true time delay unit with wide range and high resolution for phased array beamforming
Sign Up to like & getrecommendations! Published in 2018 at "Photonic Network Communications"
DOI: 10.1007/s11107-018-0816-2
Abstract: An optical true time delay (OTTD) unit based on uniform fiber Bragg gratings, photonic crystal fiber and wavelength converter array is proposed for the phased array antennas (PAAs) beamforming system. The PAAs system based on… read more here.
Keywords: array; time delay; optical true; unit ... See more keywords
On-chip optical true time delay lines based on subwavelength grating waveguides.
Sign Up to like & getrecommendations! Published in 2021 at "Optics letters"
DOI: 10.1364/ol.414477
Abstract: An optical true time delay line (OTTDL) is a fundamental building block for signal processing applications in microwave photonics and optical communications. Here, we experimentally demonstrate an index-variable OTTDL based on an array of 40… read more here.
Keywords: optical true; time delay; true time; delay ... See more keywords
Extreme-Dispersion-Resistant Optical True Time Delay Line Enabled by Phase-domain Pre-Compensation
Sign Up to like & getrecommendations! Published in 2025 at "Optics Letters"
DOI: 10.1364/ol.580728
Abstract: Optical true time delay lines (OTDLs) based on dispersion tuning suffer from dispersion-induced signal distortion, which in turn restricts the delay extension. In this work, we present an extreme-dispersion-resistant OTDL architecture employing a novel, to… read more here.
Keywords: true time; extreme dispersion; dispersion; optical true ... See more keywords