Jaskaran Randhawa

Publications

Laser System for Frequency Domain Velocimetry and Atom Interferometry Experiments, J. Randhawa, G. Carlse, M. B. Llaguno, J. Cuzzupoli, E. C. Ramos, T. Vacheresse, A. Pouliot, and A. Kumarakrishnan, Review of Scientific Instruments 96, 123204 (2025)

Measurement of gravitational acceleration based on a frequency domain echo atom interferometer, G. Carlse, J. Randhawa, A. Pouliot, T. Vacheresse, E. Ramos, and A. Kumarakrishnan, Proc. SPIE 13920, Quantum sensing, Imaging, and Precision Metrology IV, 1392002 (2026) (9 pages)

Gravitational sensing in the frequency-domain using an echo atom interferometer, G. Carlse, J. Randhawa, A. Pouliot, E. Ramos, T. Vacheresse, and A. Kumarakrishnan, Physical Review A 112, L061302 (2025)

Techniques for sensitive measurements of gravitational acceleration using single state echo atom interferometers, G. Carlse, J. Randhawa, A.Pouliot, T. Vacheresse, E. Ramos, and A. Kumarakrishnan, Proc. SPIE 13392, Quantum Sensing, Imaging, and Precision Metrology III, 1339204 (2025)

Contrast Enhancement of Echo Atom interferometers using Optical Channeling and Optimization of Near Resonant Bragg Scattering, G. Carlse, J. Randhawa, E. Ramos, T. Vacheresse, A. Pouliot and A. Kumarakrishnan, Proc. SPIE 13380, Optical Sensing and Precision Metrology, 1338002 (2025)

Velocimetry using free-induction decay of matter-wave lattices, G. Carlse, J. Randhawa, E. Ramos, T. Vacheresse, A. Pouliot and A. Kumarakrishnan, Physical Review A 111, L021304 (2025)

Optimization of Bragg scattering from atomic gratings for echo interferometry, G. Carlse, J. Randhawa, E. Ramos, T. Vacheresse, A. Pouliot, A. C. Carew, and A. Kumarakrishnan (York University), and B. Barrett (University of New Brunswick), Physical Review A. 110, 043306 (2024)

Role of optical channeling in contrast enhancement of echo interferometers, G. Carlse, J. Randhawa , E. Ramos , T. Vacheresse, A. Pouliot, A. C. Carew, and A. Kumarakrishnan, Physical Review A, 109, 043307 (2024)

Improving the sensitivity grating-echo atom interferometers for measurements of gravity, G. Carlse, J. Randhawa, A. Pouliot, T. Vacheresse, E. Ramos, A. Carew, A. Kumarakrishnan Proc. SPIE 12912, Quantum Sensing, Imaging, and Precision Metrology II, 129120L (2024)

Temperature and pressure dependence of diffusion coefficients of Rb-inert gas mixtures using coherent scattering from optically pumped population gratings, E. C. Ramos, A. Pouliot, G. Carlse, T. Vacheresse, J. Randhawa, M. B. Llaguno, and A. Kumarakrishnan, Proc. SPIE 13914, Optical Sensing and Precision Metrology II, 1391402 (2026) (6 pages)

Transit time corrections to the diffusion of atomic lattices, A. Pouliot, G. Carlse, E. C. Ramos, T. Vacheresse, J. Randhawa, A. Kumarakrishnan (York University), J. Klos (University of Maryland), and E. Tiesinga (NIST abd University of Maryland), Journal of the Optical Society of America B 43, 620-627 (2026)

Measurements of diffusion coefficients for rubidium-inert-gas mixtures using coherent scattering from optically pumped population gratings, A. Pouliot, E. Ramos, G. Carlse, T. Vacheresse, J. Randhawa, L. Marmet, A. Kumarakrishnan (York University), J. Klos (University of Maryland), and E. Tiesinga (NIST and University of Maryland), Physical Review A 111, 033108 (2025)

Time domain metrology with optical tweezers, G. Carlse, K. Borsos, T. Vacheresse, A. Pouliot, E. Ramos, J. Randhawa, C. Walsh, and A. Kumarakrishnan, Proc. SPIE 12447, Quantum Sensing, Imaging, and Precision Metrology, 124470G (2023) (5 pages)

Posters and Talks

Homebuilt Laser System for Frequency Domain Measurements of Gravity using Echo Atom Interferometry, J. Randhawa, G. Carlse, J. Cuzzupoli, E. Ramos, T. Vacheresse, A. Pouliot, and A. Kumarakrishnan, DAMOP, Portland, June, 2025

Inexpensive Radio Frequency Synthesizer for Atom Interferometry with Cold Atoms, J. Randhawa, G. Carlse, T. Vacheresse, E. Ramos, A. Pouliot, and A. Kumarakrishnan, NSERC USRA Conference, Toronto, August 2023

Development of a Modulation-Free Laser Frequency Stabilization Setup for Atomic Lifetime Measurements, J. Randhawa, T. Vacheresse, G. Carlse, E. Ramos, C. Walsh, A. Pouliot and A. Kumarakrishnan, PAGE Conference, Toronto, May 2023

Development of a modulation-free laser frequency stabilization setup operating at both 780 nm and 795 nm for atomic lifetime measurements, J. Randhawa, T. Vacheresse, G. Carlse, E. Ramos, C. Walsh, A. Pouliot, and A. Kumarakrishnan, CUPC, Guelph, October 2022

Development of a Modulation-Free Laser Frequency Stabilization Setup for Atomic Lifetime Measurements, J. Randhawa, T. Vacheresse, G. Carlse, A. Pouliot, E. Ramos, and A. Kumarakrishnan, York University NSERC USRA Conference, Toronto, August 2022

Characterization of a Modulation-Free Feedback Loop for Laser Frequency Stabilization, J. Randhawa, T. Vacheresse, E. Ramos, A. Pouliot and A. Kumarakrishnan, CUPC, Toronto, November 2021.

Enhancing the Contrast of Matter-Wave Gratings using Optical Channeling and Optimization of Near Resonant Bragg Scattering, G. Carlse, J. Randhawa, E. Ramos, T. Vacheresse, A. Pouliot, and A. Kumarakrishnan, DAMOP, Portland, June, 2025

Matter-wave velocimeter based on the free-induction decay of atomic lattices, G. Carlse, J. Randhawa, E. Ramos, T. Vacheresse, A. Pouliot, and A. Kumarakrishnan, DAMOP, Portland, June, 2025

Feedback System for Laser Intensity Stabilization. J. Cuzzupoli, J. Randhawa, G. Carlse, E. Ramos, T. Vacheresse, A. Pouliot and A. Kumarakrishnan, CUPC, Vancouver, October 2024

Feedback System for Laser Intensity Stabilization. J. Cuzzupoli, J. Randhawa, G. Carlse, E. Ramos, T. Vacheresse, A. Pouliot and A. Kumarakrishnan, NSERC USRA Conference, Toronto, August 2024

Improving the sensitivity of an echo atom interferometer for precision measurements of gravity and atomic recoil, G. Carlse, J. Randhawa, A. Pouliot, T. Vacheresse, E. Ramos, and A. Kumarakrishnan, International Summer School in Quantum Technologies, Birmingham, UK, August 2023

Characterization of microparticles in free space and liquid cultures using optical tweezers, E. Ramos, G. Carlse, J. Randhawa, C. Walsh, T. Vacheresse, A. Pouliot and A. Kumarakrishnan, PAGE Conference, Toronto, May 2023

Characterization of microparticles in free space and liquid cultures using optical tweezers, E. Ramos, G. Carlse, J. Randhawa, C. Walsh, T. Vacheresse, A. Pouliot and A. Kumarakrishnan, CUPC, Guelph, October 2022

Characterization of Microparticles using Optical Tweezers, C. Walsh, G. Carlse, J. Randhawa, T. Vacheresse, E. Ramos, A. Pouliot and A. Kumarakrishnan, York University NSERC USRA Conference, Toronto, August 2022

Simulations of Photon Echoes in support of Atomic Lifetime Measurements, T. Vacheresse, G. Carlse, A. Pouliot, J. Randhawa, E. Chomen Ramos, and A. Kumarakrishnan, DAMOP, Portland, June, 2025

A Modulation-Free Laser Frequency Stabilization System using an Acousto-Optic Modulator for Atomic Physics Experiments, M. B. Llaguno, L. Gheshlaghi, E. Ramos, J. Randhawa, G. Carlse, T. Vacheresse, A. Pouliot, and A. Kumarakrishnan, CCUW*iP, Vancouver, January, 2026

A Modulation-Free Laser Frequency Stabilization System using an Acousto-Optic Modulator for Atomic Physics Experiments, M. B. Llaguno, L. Gheshlaghi, E. Ramos, J. Randhawa, G. Carlse, T. Vacheresse, A. Pouliot, and A. Kumarakrishnan, York University Physics and Astronomy - RAY and Non-RAY Summer Research Conference, Toronto, August, 2025

Development of a Modulation-free Laser Source for Atomic Physics Experiments, M. Llaguno, L. Arnold, E. Ramos, J. Randhawa, G. Carlse, T. Vacheresse, A. Pouliot, A. Kumarakrishnan, CUPC, Vancouver October 2024

Development of a Modulation-free Laser Source for Atomic Physics Experiments, M. Llaguno, L. Arnold, E. Ramos, J. Randhawa, G. Carlse, T. Vacheresse, A. Pouliot, A. Kumarakrishnan, NSERC USRA Conference, Toronto, August 2024

Temperature dependence of diffusion coefficients for rubidium-inert gas mixtures using coherent scattering, E. Ramos, A. Pouliot, G. Carlse, T. Vacheresse, J. Randhawa, M. Belen Llaguno, and A. Kumarakrishnan, DAMOP, Portland, June, 2025

Diffusion coefficients of Rb-inert gas mixtures using coherent scattering from optically pumped population gratings, A. Pouliot, E. Ramos, G. Carlse, T. Vacheresse, J. Randhawa, L. Marmet, and A. Kumarakrishnan (York University), J. Klos (University of Maryland), and E. Tiesinga (National Institute of Standards and Technology, Gaithersburg, USA), DAMOP, Portland, June, 2025

Measurements of diffusion coefficients for rubidium–inert gas mixtures using coherent scattering from optically pumped population gratings, E. Ramos, A. Pouliot, G. Carlse, T. Vacheresse, J. Randhawa, L. Marmet, and A. Kumarakrishnan, PAGE Conference, Toronto, June 2024

Measurements of Rb-Inert Gas Diffusion Coefficients Using Coherent Emission from Optical Lattices, A. Pouliot, G. Carlse, T. Vacheresse, E. Ramos, J. Randhawa, and A. Kumarakrishnan, ICOLS, Boulder, June 2023

Time Domain Metrology with Optical Tweezers, G. Carlse, K. Borsos, T. Vacheresse, A. Pouliot, E. Ramos, J. Randhawa, C. Walsh and A. Kumarakrishnan, SPIE Quantum West, San Francisco, January 2023

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