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   Articles with "quadrature phase" as a keyword



A Novel Optical Label Switching Based on Quadrature Phase Shift Keying (DQPSK)

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recommendations! Published in 2025 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.70222

Abstract: Optical label switching (OLS) has become an attractive solution for packet‐based optical switching. A novel OLS method applying differential quadrature phase shift keying (DQPSK) is proposed in this paper. DQPSK is able to modulate two… read more here.

Keywords: label switching; quadrature phase; optical label; shift keying ... See more keywords

High-performance arduino-based interferometric quadrature phase-shift detection system with 1 nm resolution

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recommendations! Published in 2021 at "AIP Advances"

DOI: 10.1063/5.0055484

Abstract: A quadrature phase-shift detection system for interferometry has been conceptualized and evaluated. The main components, a microcontroller and two photodetectors, make a versatile low-cost detection system for displacement measurements or more generally phase-change measurements. The… read more here.

Keywords: detection system; system; phase shift; shift detection ... See more keywords

Real-time single analog output for quadrature phase interferometry

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recommendations! Published in 2017 at "Measurement Science and Technology"

DOI: 10.1088/1361-6501/28/4/045103

Abstract: We present a dynamic displacement sensor based on a quadrature phase interferometer, providing a real-time analog output of the differential displacement between two mobile surfaces. The sensor offers a sub-picometer resolution with a sensitivity essentially… read more here.

Keywords: analog output; phase; real time; quadrature phase ... See more keywords

A 1.3–4-GHz Quadrature-Phase Digital DLL Using Sequential Delay Control and Reconfigurable Delay Line

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recommendations! Published in 2021 at "IEEE Journal of Solid-State Circuits"

DOI: 10.1109/jssc.2020.3045168

Abstract: A 1.3–4-GHz quadrature-phase digital delay-locked loop (DDLL) with sequential delay control and a reconfigurable delay line is designed using a 28 nm CMOS process. The time resolution of the DDLL is reduced by updating the… read more here.

Keywords: quadrature phase; sequential delay; delay control; delay ... See more keywords

Quadrature Phase Generation Using a Ring Resonator

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recommendations! Published in 2019 at "IEEE Microwave and Wireless Components Letters"

DOI: 10.1109/lmwc.2018.2881915

Abstract: This letter presents a novel microstrip-based design to generate quadrature phase signals from a single input. The operating concept relies on coupling to the electric field and the magnetic field at the fundamental mode of… read more here.

Keywords: field; quadrature; ring resonator; quadrature phase ... See more keywords