Microwave generation with an inner-modulated laser and parallel Mach–Zehnder interferometers
Sign Up to like & getrecommendations! Published in 2017 at "Optics Communications"
DOI: 10.1016/j.optcom.2017.07.002
Abstract: Abstract Using an inner-frequency-modulated semiconductor laser, two parallel Mach–Zehnder delay-line interferometers and feedback control loop technique, we generate microwaves. The frequency of the Littrow-structure semiconductor laser is modified by a lead zirconate titanate actuator that… read more here.
Keywords: delay line; mach zehnder; parallel mach; microwave generation ... See more keywords
Ultrafast broadband Fourier-transform CARS spectroscopy at 50,000 spectra/s enabled by a scanning Fourier-domain delay line
Sign Up to like & getrecommendations! Published in 2017 at "Vibrational Spectroscopy"
DOI: 10.1016/j.vibspec.2016.07.007
Abstract: Abstract We propose and demonstrate a coherent Raman scattering (CRS) spectroscopy technique capable of acquiring 50,000 broadband Raman spectra/s. This ultrafast spectral acquisition is realized by employing a Fourier-domain delay line based on a rapidly… read more here.
Keywords: domain delay; delay line; fourier domain; cars spectroscopy ... See more keywords
Low-Latency Adiabatic Quantum-Flux-Parametron Circuit Integrated With a Hybrid Serializer/Deserializer
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3230447
Abstract: Adiabatic quantum-flux-parametron (AQFP) logic is an ultra-low-power superconductor logic family. AQFP logic gates are powered and clocked by dedicated clocking schemes using ac excitation currents to implement an energy-efficient switching process, adiabatic switching. We have… read more here.
Keywords: quantum; circuit; delay line; flux ... See more keywords
A 50–1600 MHz Wide–Range Digital Duty–Cycle Corrector With Counter–Based Half–Cycle Delay Line
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3262307
Abstract: Duty-cycle distortion may occur due to variations in the process, voltage, and temperature, or if the clock signal passes through clock buffers. To compensate duty-cycle distortion, a digital duty-cycle corrector (DCC) with counter-based half-cycle delay… read more here.
Keywords: duty cycle; delay line; cycle; counter based ... See more keywords
Analysis of an Ultra-Short True Time Delay Line Optical Reservoir Computer
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2020.2975165
Abstract: This article presents the experimental demonstration of a true-time delay line optical reservoir computer (ORC) using an incoherent light chaos oscillator. In contrast to other benchtop ORC systems, no external fiber spool was employed, enabling… read more here.
Keywords: line optical; time; delay line; time delay ... See more keywords
Mutual Conversion of Amplitude and Phase Noises in Delay-Line Optoelectronic Oscillators With All-Optical Gain
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2021.3068205
Abstract: In the paper, various noise sources in delay-line optoelectronic oscillators (OEOs) with all-optical gain are analyzed. It is shown that mutual conversion of amplitude and phase noises occurs in OEO due to its non-linear time-variant… read more here.
Keywords: delay line; line optoelectronic; amplitude phase; phase ... See more keywords
Reconfigurable Frequency Discriminator Based on Fractal Delay Line
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Microwave and Wireless Components Letters"
DOI: 10.1109/lmwc.2019.2892293
Abstract: A new compact reconfigurable frequency measurement device, based on interferometry is presented in this letter. The device combines the advantages of reconfigurability and fractal geometry. The interferometer uses a Wilkinson power divider connected to two… read more here.
Keywords: delay line; fractal delay; frequency; delay ... See more keywords
Programmable Acoustic Delay-Line Enabled Low-Cost Photoacoustic Tomography System
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control"
DOI: 10.1109/tuffc.2022.3166841
Abstract: Photoacoustic tomography (PAT) is an emerging technology for biomedical imaging that combines the superiorities of high optical contrast and acoustic penetration. In the PAT system, more PA signals are preferred to be detected from full… read more here.
Keywords: system; pat system; pat; cost ... See more keywords
Variable optical true-time delay line breaking bandwidth-delay constraints.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.478102
Abstract: Continuously variable true-time optical delay lines are typically subject to a constraint of the bandwidth-delay product, limiting their use in several applications. In this Letter, we propose an integrated topology that breaks the bandwidth-delay product… read more here.
Keywords: bandwidth delay; delay line; true time; delay ... See more keywords
High-density integrated delay line using extreme skin-depth subwavelength grating waveguides.
Sign Up to like & getrecommendations! Published in 2023 at "Optics letters"
DOI: 10.1364/ol.479003
Abstract: Optical delay lines control the flow of light in time, introducing phase and group delays for engineering interferences and ultrashort pulses. Photonic integration of such optical delay lines is essential for chip-scale lightwave signal processing… read more here.
Keywords: delay line; density; skin depth; delay ... See more keywords
Electro-optically tunable optical delay line with a continuous tuning range of ∼220 fs in thin-film lithium niobate.
Sign Up to like & getrecommendations! Published in 2023 at "Optics letters"
DOI: 10.1364/ol.486117
Abstract: We demonstrate fabrication of a 30-cm-long thin-film lithium niobate (TFLN) optical delay line (ODL) incorporated with segmented microelectrodes of 24-cm total length using the femtosecond laser lithography technique. The transmission spectra of the unbalanced Mach-Zehnder… read more here.
Keywords: optical delay; delay line; lithium niobate; film lithium ... See more keywords