Photoexcited energy relaxation in porphyrin nanorings

KJ Rueda Espinosa, AA Kananenka - The Journal of Physical …, 2024 - ACS Publications
Natural photosynthetic systems convert solar energy to chemical energy with an extremely
high efficiency. Synthetic chromophore arrays are promising models for understanding and …

Examining the quantum signatures of optimal excitation energy transfer

JS Peter, R Holzinger, S Ostermann, SF Yelin - Physical Review Research, 2024 - APS
The transport and capture of photo-induced electronic excitations is of fundamental interest
to the design of energy efficient quantum technologies and to the study of potential quantum …

Light-scattering properties beyond weak-field excitation in atomic ensembles

CH Wang, NY Tsai, YC Wang, HH Jen - Physical Review A, 2024 - APS
In the study of optical properties of large atomic systems, a weak laser driving is often
assumed to simplify the system dynamics by linearly coupled equations. Here we investigate …

Photon-mediated dipole-dipole interactions as a resource for quantum science and technology in cold atoms

HH Jen - arXiv preprint arXiv:2410.20665, 2024 - arxiv.org
Photon-mediated dipole-dipole interactions arise from atom-light interactions, which are
universal and prevalent in a wide range of open quantum systems. This pairwise and long …

Non-radiative configurations of a few quantum emitters ensembles: Evolutionary optimization approach

I Volkov, S Mitsai, S Zhogolev, D Kornovan… - Applied Physics …, 2024 - pubs.aip.org
Suppressing the spontaneous emission in quantum emitters ensembles (atoms) is one of
the topical problems in quantum optics and quantum technology. While many approaches …

Nonradiant multiphoton states in quantum ring oligomers

N Ustimenko, D Kornovan, I Volkov, A Sheremet… - Physical Review A, 2024 - APS
Arrays of coupled dipole emitters support collective single-and multiphoton states that can
preserve quantum excitations. One of the crucial characteristics of these states is the lifetime …

Efficient excitation transfer in an LH2-inspired nanoscale stacked ring geometry

A Pal, R Holzinger, M Moreno-Cardoner… - arXiv preprint arXiv …, 2024 - arxiv.org
Subwavelength ring-shaped structures of quantum emitters exhibit outstanding radiation
properties and are useful for antennas, excitation transport, and storage. Taking inspiration …

Trapping of Single Atoms in Metasurface Optical Tweezer Arrays

A Holman, Y Xu, X Sun, J Wu, M Wang, B Seo… - arXiv preprint arXiv …, 2024 - arxiv.org
Optical tweezer arrays have emerged as a key experimental platform for quantum
computation, quantum simulation, and quantum metrology, enabling unprecedented levels …

Long-lived quantum correlation by cavity-mediated subradiance

KY Kim, JH Lee, WB Jeon, DH Park, SI Park… - arXiv preprint arXiv …, 2024 - arxiv.org
Cooperative effects such as super (sub) radiance in quantum systems arise from the
interplay among quantum emitters. While bright superradiant states have been extensively …

Chirality dependent photon transport and helical superradiance

JS Peter, S Ostermann, SF Yelin - Physical Review Research, 2024 - APS
Chirality, or handedness, is a geometrical property denoting a lack of mirror symmetry.
Chirality is ubiquitous in nature and is associated with the nonreciprocal interactions …