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Thermal equilibrium states are exponentially hard to distinguish at very low temperatures, making equilibrium quantum thermometry in this regime a formidable task. We present a thermometric scheme that circumvents this limitation, by using…

Quantum Physics · Physics 2021-10-07 Ivan Henao , Karen V. Hovhannisyan , Raam Uzdin

We consider the task of motion control for non-prehensile manipulation using parallel kinematics mechatronic setup, in particular, stabilization of a ball on a plate under unmeasured external harmonic disturbances. System parameters are…

Systems and Control · Electrical Eng. & Systems 2020-05-19 Dmitrii Dobriborsci , Sergey Kolyubin , Alexey Bobtsov

A new phase-coherent technique for the calibration of polarimetric data is presented. Similar to the one-dimensional form of convolution, data are multiplied by the response function in the frequency domain. Therefore, the system response…

Astrophysics · Physics 2009-11-07 W. van Straten

We propose a methodology to design optimal pulses for achieving quantum optimal control on molecular systems. Our approach constrains pulse shapes to linear combinations of a fixed number of experimentally relevant pulse functions. Quantum…

Quantum Physics · Physics 2015-10-28 Ruben D. Guerrero , Carlos A. Arango , Andres Reyes

Generating energetic femtosecond mid-IR pulses is crucial for ultrafast spectroscopy, and currently relies on parametric processes that, while efficient, are also complex. Here we experimentally show a simple alternative that uses a single…

Optics · Physics 2015-04-10 B. B. Zhou , H. R. Guo , M. Bache

Characterizing and controlling electronic properties of quantum materials require direct measurements of non-equilibrium electronic band structures over large regions of momentum space. Here, we demonstrate an experimental apparatus for…

We report the study and demonstration of a new laser pulse shaping system capable of generating linearly polarized picosecond laser pulses with variable temporal profiles including symmetric intensity distributions such as parabolic,…

Optics · Physics 2019-02-20 Fangming Liu , Senlin Huang , Shangyu Si , Gang Zhao , Kexin Liu , Shukui Zhang

Future quantum computing systems will require cryogenic integrated circuits to control and measure millions of qubits. In this paper, we report the design and characterization of a prototype cryogenic CMOS integrated circuit that has been…

We investigated wideband pulse generation for underwater acoustic applications using a parametric array. We fabricated a transducer consisting of a 3 mm thick 75 mm-by-75 mm square-shaped PZT ceramic plate, which is matched to water media…

Signal Processing · Electrical Eng. & Systems 2025-01-22 Yasin Kumru , Akif Sinan Taşdelen , Hayrettin Köymen

Next generation cosmic microwave background (CMB) polarimetry experiments aim to deploy order 500,000 detectors, requiring repeatable and reliable fabrication process with stable and uniform transition edge sensor (TES) bolometer…

Instrumentation and Detectors · Physics 2024-10-10 K. M. Rotermund , X. Li , R. Carney , D. Yohannes , R. Cantor , J. Vivalda , A. Chambal-Jacobs , A. Suzuki

A recent expansion of cold and ultracold molecule applications has led to renewed focus on molecular species preparation under ultrahigh vacuum conditions. Meanwhile, molecular beams have been used to study gas phase chemical reactions for…

Atomic Physics · Physics 2016-02-23 M. G. Kokish , V. Rajagopal , J. P. Marler , B. C. Odom

We design and experimentally characterize a balanced homodyne detector optimized for high-repetition-rate (100 MHz) pulsed optical sources. Unlike conventional transimpedance-amplifier architectures, which suffer from nonlinearities and…

The design of a cusp-like digital pulse shaper for particle energy measurements requires the definition of four parameters whose values are defined based on the nature of the shaper input signal (timing, noise, ...) provided by a sensor.…

Hardware Architecture · Computer Science 2024-04-18 Juan Lanchares , Oscar Garnica , José L. Risco-Martín , J. Ignacio Hidalgo , J. Manuel Colmenar , Alfredo Cuesta

Pulsed UV lasers can provide useful "testbeams" for observatories that use optical detectors, especially fluorescence detectors, to measure high energy cosmic-rays. The light observed by the detector is proportional to the energy of the…

Instrumentation and Methods for Astrophysics · Physics 2011-05-23 Lawrence Wiencke , Fernando Arqueros , John Compton , Maria Monasor , David Pilger , Jaime Rosado

High harmonic generation (HHG) in solids has emerged as a powerful spectroscopic method for resolving ultrafast electron dynamics and band structure properties across a wide range of materials. However, quantitative HHG studies require…

Optics · Physics 2025-12-16 S. Mandal , P. Kumar , Z. Pi , H. Y. Kim , M. Zhan , E. Goulielmakis

Natively, atomic and molecular processes develop in a sub-femtosecond time scale. In order to, for instance, track and capture the electron motion in that scale we need suitable `probes'. Attosecond pulses configure the most appropriate…

The morphology and velocity of the pulse wave in the arteries provide meaningful information about the cardiovascular system. Nowadays, the pulse wave is usually acquired using common blood pressure cuffs at the extremities. This work…

Medical Physics · Physics 2019-03-01 Roman Kusche , Turner Adornetto , Paula Klimach , Martin Ryschka

The measurement error of pulse times of arrival (TOAs) in the high S/N limit is dominated by the quasi-random variation of a pulsar's emission profile from rotation to rotation. Like measurement noise, this noise is only reduced as the…

Instrumentation and Methods for Astrophysics · Physics 2015-06-15 Matthew Kerr

The latest generation of cosmic microwave background (CMB) telescopes is searching for the undetected faint signature of gravitational waves from inflation in the polarized signal of the CMB. To achieve the unprecedented levels of…

Instrumentation and Methods for Astrophysics · Physics 2013-01-08 Darcy Barron , Matt Atlas , Brian Keating , Ron Quillin , Nathan Stebor , Brandon Wilson

We report on spectroscopy and time-of-flight measurements using an 18 keV fast-pulsed photoelectron source of adjustable intensity, ranging from single photoelectrons per pulse to 5 photoelectrons per microsecond at pulse repetition rates…

Instrumentation and Detectors · Physics 2009-06-19 K. Valerius , M. Beck , H. Arlinghaus , J. Bonn , V. M. Hannen , H. Hein , B. Ostrick , S. Streubel , Ch. Weinheimer , M. Zboril