Intrinsic optical spatial differentiation enabled quantum dark-field microscopy

J Liu, Q Yang, S Chen, Z Xiao, S Wen, H Luo - Physical Review Letters, 2022 - APS
By solving the Maxwell's equations in Fourier space, we find that the cross-polarized
component of the dipole scattering field can be written as the second-order spatial …

Metasurface-assisted quantum nonlocal weak-measurement microscopy

J Liu, Q Yang, Y Shou, S Chen, W Shu, G Chen… - Physical Review Letters, 2024 - APS
In standard quantum weak measurements, preselection and postselection of quantum states
are implemented in the same photon. Here we go beyond this restrictive setting and …

[HTML][HTML] Quantum correlation enhanced optical imaging

S Vernekar, J Xavier - Quantum Beam Science, 2024 - mdpi.com
Quantum correlations, especially time correlations, are crucial in ghost imaging for
significantly reducing the background noise on the one hand while increasing the imaging …

Hiding images in noise

S Johnson, A McMillan, S Frick, J Rarity, M Padgett - Optics Express, 2023 - opg.optica.org
A limitation of free-space optical communications is the ease with which the information can
be intercepted. This limitation can be overcome by hiding the information within background …

Quantum-secured single-pixel imaging with enhanced security

J Heo, J Kim, T Jeong, YS Ihn, DY Kim, Z Kim, Y Jo - Optica, 2023 - opg.optica.org
In this paper, we propose a quantum-secured single-pixel imaging method that utilizes non-
classical correlations of a photon pair. Our method can detect any attempts to deceive it by …

Far-field far-subwavelength spatial resolution using relative motion with structured illumination

JA Patel, CM Lacny, V Raghuram, KJ Webb - Physical Review A, 2024 - APS
Relative motion of structured optical illumination with respect to an object and far-field
measurement of intensity are presented as a means to obtain far-subwavelength spatial …

Secure quantum imaging with decoy state heralded single photons

S Vernekar, J Xavier - arXiv preprint arXiv:2402.11675, 2024 - arxiv.org
Weak coherent source (WCS) and spontaneous parametric down converted heralded single
photon pairs have found applications in quantum key distribution (QKD) and quantum …

Compressive single-pixel read-out of single-photon quantum walks on a polymer photonic chip

A Chandra, SJ Wu, A Frank… - IEEE Photonics Journal, 2023 - ieeexplore.ieee.org
Quantum photonic devices operating in the single photon regime require the detection and
characterization of quantum states of light. Chip-scale, waveguide-based devices are a key …

Exploiting Twisted Nematic SLMs for a Single-Pixel Camera with Individual Photons

S Bordakevich, L Rebón, S Ledesma - Laser Science, 2024 - opg.optica.org
Exploiting Twisted Nematic SLMs for a Single-Pixel Camera with Individual Photons Page 1
Exploiting Twisted Nematic SLMs for a Single-Pixel Camera with Individual Photons Sebastián …

Super-Resolution Sensing and Imaging Using Structured Light

JA Patel - 2023 - search.proquest.com
Optical imaging methods are limited by the wavelength of light that they use and the amount
of scatter that must be imaged through. Super-resolution imaging and sensing methods are …