Quantum-enhanced stimulated Brillouin scattering spectroscopy and imaging

T Li, F Li, X Liu, VV Yakovlev, GS Agarwal - Optica, 2022 - opg.optica.org
Brillouin microscopy is an emerging label-free imaging technique used to assess local
viscoelastic properties. Quantum-enhanced stimulated Brillouin scattering is demonstrated …

Hot atomic vapors for nonlinear and quantum optics

Q Glorieux, T Aladjidi, PD Lett, R Kaiser - New Journal of Physics, 2023 - iopscience.iop.org
Nonlinear optics has been a very dynamic field of research with spectacular phenomena
discovered mainly after the invention of lasers. The combination of high intensity fields with …

[HTML][HTML] Squeezed light induced two-photon absorption fluorescence of fluorescein biomarkers

T Li, F Li, C Altuzarra, A Classen… - Applied Physics Letters, 2020 - pubs.aip.org
Two-photon absorption (TPA) fluorescence of biomarkers has been decisive in advancing
the fields of biosensing and deep-tissue in vivo imaging of live specimens. However, due to …

Mitigating scattering in a quantum system using only an integrating sphere

Z Jiang, T Li, ML Boone, Z Yi, AV Sokolov, GS Agarwal… - PRX Quantum, 2024 - APS
Strong quantum correlated sources are essential but delicate resources for quantum
information science and engineering protocols. Decoherence and loss are the two main …

Augmenting the sensing performance of entangled photon pairs through asymmetry

Y Michael, I Jonas, L Bello, ME Meller, E Cohen… - Physical Review Letters, 2021 - APS
We analyze theoretically and experimentally cases of asymmetric detection, stimulation, and
loss within a quantum nonlinear interferometer of entangled pairs. We show that the visibility …

Quantum advantage with seeded squeezed light for absorption measurement

F Li, T Li, MO Scully, GS Agarwal - Physical Review Applied, 2021 - APS
Absorption measurement is an exceptionally versatile tool for many applications in science
and engineering. For absorption measurements using laser beams of light, the sensitivity is …

Pulsed entanglement measured by parametric amplifier assisted homodyne detection

J Li, Y Liu, N Huo, L Cui, C Feng, ZY Ou, X Li - Optics Express, 2019 - opg.optica.org
Balanced homodyne detection relies on a beam splitter to superpose the weak signal input
and strong local oscillator. However, recent investigation shows that a high gain phase …

Degenerate four-wave-mixing as a low-power source of squeezed light

BL Schmittberger Marlow - Optics Express, 2020 - opg.optica.org
Squeezed light is a quantum resource that can improve the sensitivity of optical
measurements. However, existing sources of squeezed light generally require high powers …

Simultaneous three-wave and six-wave mixing of microwave and optical fields in an atomic medium

KN Pradosh, JK Saaswath, A Narayanan - Optics Express, 2023 - opg.optica.org
We experimentally investigate near-infrared optical field generation through simultaneous
three-wave mixing (TWM) and six-wave mixing (SWM) processes in room-temperature …

Uncertainty Estimation for the Brillouin Frequency Shift Measurement Using a Scanning Tandem Fabry–Pérot Interferometer

P Salzenstein, TY Wu - Micromachines, 2023 - mdpi.com
The expanded uncertainty of the measured Brillouin scattering shift frequencies is essential
in assessing the measurements of parameters of various materials. We describe the general …