Quantitative analysis of decoherence of entangled microwave signals in free space
Sign Up to like & getrecommendations! Published in 2019 at "Quantum Information Processing"
DOI: 10.1007/s11128-019-2321-7
Abstract: Entangled microwave signals are the new quantum information resource of microwave frequency. Based on the evolution model of two-mode squeezed vacuum state with Fokker–Planck equation, we consider the absorption of atmospheric gas and the attenuation… read more here.
Keywords: signals free; decoherence entangled; microwave signals; entangled microwave ... See more keywords
Angle-of-Arrival Estimation of Broadband Microwave Signals Based on Microwave Photonic Filtering
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2017.2757960
Abstract: We propose and experimentally demonstrate a photonic approach to estimate the angle-of-arrival (AOA) of broadband microwave signals. Using an integrated polarization-division multiplexing Mach–Zehnder modulator and a differential group-delay module, a microwave photonic notch filter is… read more here.
Keywords: angle arrival; broadband microwave; microwave photonic; microwave signals ... See more keywords
Generation of Noiselike Microwave Signals in Microband Antenna Generators
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Communications Technology and Electronics"
DOI: 10.1134/s106422692003016x
Abstract: Abstract —The study investigates the possibility of generating noiselike signals in the centimeter wavelength range using antenna generators built on a log-periodic microstrip antenna integrated with a field-effect transistor. The conditions for the occurrence of… read more here.
Keywords: antenna generators; generation noiselike; generation; signals microband ... See more keywords
Frequency measurement of microwave signals in a wide frequency range based on an optical frequency comb and channelization method.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.456507
Abstract: We propose a new, to the best of our knowledge, scheme for the frequency measurement of wideband microwave signals by applying the optical frequency comb (OFC) and channelization technique. Unlike the usual method of using… read more here.
Keywords: frequency; comb; optical frequency; microwave signals ... See more keywords
Multi-band microwave signals generation based on a photonic sampling with a flexible ultra-short pulse source.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.469085
Abstract: We propose and experimentally demonstrate a photonic sampling-enabled multi-band microwave signals generation scheme. The intermediate-frequency input signal is up-converted to high frequency output signals in multiple frequency bands, after being optically sampled by an ultra-short… read more here.
Keywords: band; frequency; ultra short; microwave signals ... See more keywords
Photonic approach for the generation of switchable down-, up-, and dual-chirped linear frequency-modulated microwave signals.
Sign Up to like & getrecommendations! Published in 2020 at "Optics letters"
DOI: 10.1364/ol.389694
Abstract: A photonic approach to generate switchable down-, up-, and dual-chirped linear frequency-modulated (LFM) microwave signals utilizing a dual-polarization dual-parallel Mach-Zehnder modulator (DP-DPMZM) is proposed and experimentally demonstrated. By properly controlling the radio frequency signals and… read more here.
Keywords: chirped linear; frequency; switchable dual; microwave signals ... See more keywords