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Ultrasensitive measurement of gas refractive index using an optical nanofiber coupler
Published 2019“…The demonstrated sensor not only shows vast potential in ultrasensitive pressure sensing, acoustic sensing, gas sensing, and gas phase biomarker detection, but also provides a new tool for nonlinear optics, ultrafast optics, quantum optics, and ultracold atom optics.…”
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Journal Article -
22
Realizing type-II Weyl points in an optical lattice
Published 2017“…In this paper, we propose a generalized two level system exhibiting type-II Weyl points that can be realized using ultracold atoms in an optical lattice. The system is engineered using a three-dimensional lattice with complex π phase tunneling amplitudes. …”
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Journal Article -
23
Mechanisms for the emergence of Gaussian correlations
Published 2023“…We evaluate signatures of the occurrence of the two candidate mechanisms in a recent experiment that has observed Gaussification in an atom-chip controlled ultracold gas and elucidate evidence that it is canonical transmutation rather than spatial scrambling that is responsible for Gaussification in the experiment. …”
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Journal Article -
24
Geometric Ramsey interferometry with a tripod scheme
Published 2024“…We use a resonant tripod scheme in ultracold strontium atoms where the interferometric operation is restricted to a two-dimensional dark-state subspace in the dressed-state picture. …”
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Journal Article -
25
Topological lattice as open quantum system
Published 2024“…My results can be realized in bosonic systems such as ultracold atoms simulations as well as photonic chips. …”
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Final Year Project (FYP) -
26
A laser system for cooling and trapping of fermionic potassium.
Published 2010“…The cooling laser is then frequency-stabilized to an atomic resonance with AC-locking on a saturation spectroscopy signal. …”
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Final Year Project (FYP) -
27
Direct measurement of polariton-polariton interaction strength in the Thomas-Fermi regime of exciton-polariton condensation
Published 2020“…The Thomas-Fermi regime has previously been demonstrated only in ultracold atomic gases in thermal equilibrium. In a nonequilibrium exciton-polariton system, this regime offers a novel opportunity to study interaction-driven effects unmasked by an incoherent reservoir.…”
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Journal Article