Quantum topological photonics

Q Yan, X Hu, Y Fu, C Lu, C Fan, Q Liu… - Advanced Optical …, 2021 - Wiley Online Library
Quantum topological photonics is a new research field with great potential that is based on
developments in both quantum optics and topological photonics. Topological photonics …

Topological subspace-induced bound state in the continuum

YX Xiao, G Ma, ZQ Zhang, CT Chan - Physical review letters, 2017 - APS
We propose and experimentally realize a new kind of bound states in the continuum (BICs)
in a class of systems constructed by coupling multiple identical one-dimensional chains …

All‐Bands‐Flat Floquet Topological Photonic Insulators with Microring Lattices

H Song, V Van - Advanced Photonics Research, 2024 - Wiley Online Library
Coupled microring lattices are versatile photonic systems that can be used to realize various
topological phases of matter. In two‐dimensional (2D) microring lattices, the periodic and …

Geometrical, topological, and dynamical description of interacting spin- particles in a long-range Ising model and their interplay with quantum entanglement

B Amghar, A Slaoui, J Elfakir, M Daoud - Physical Review A, 2023 - APS
Comprehending the connections between the geometric, topological, and dynamical
structures of integrable quantum systems with quantum phenomena exploitable in quantum …

Two-qudit geometric phase evolution under dephasing

LE Oxman, AZ Khoury, FC Lombardo, PI Villar - Annals of Physics, 2018 - Elsevier
In this work, we study a bipartite system composed by a pair of entangled qudits under
dephasing, showing how the dynamics can be decoupled into two main sectors. In one of …

Characterizing d-dimensional quantum channels by means of quantum process tomography

JJM Varga, L Rebón, QP Stefano, C Iemmi - Optics letters, 2018 - opg.optica.org
In this Letter, we propose a simple optical architecture based on phase-only programmable
spatial light modulators, in order to characterize general processes on photonic spatial …

Experimental robustness of the fractional topological phase to dephasing noise

RA Ribeiro, AA Matoso, LE Oxman, AZ Khoury… - Physical Review A, 2022 - APS
We observe experimentally the fractional topological phase (FTP) robustness to the
dephasing noise in two-qudit photonic systems. We use a source of photon pairs generated …

Complementarity between quantum entanglement and geometric and dynamical appearances in N spin-1/2 system under all-range Ising model

J Elfakir, B Amghar, A Slaoui, M Daoud - The European Physical Journal …, 2024 - Springer
With the growth of geometric science, including the methods of exploring the world of
information by means of modern geometry, there has always been a mysterious and …

Intrinsic bounds of a two-qudit random evolution

AZ Khoury, AM Souza, LE Oxman, I Roditi, RS Sarthour… - Physical Review A, 2018 - APS
We investigate entangled qudits evolving under random local SU (d) operations and
demonstrate that this evolution is constrained by intrinsic bounds, showing robust features of …

Fractional topological phase measurement with a hyperentangled photon source

AA Matoso, RA Ribeiro, LE Oxman, AZ Khoury… - Scientific Reports, 2019 - nature.com
Pairs of photons simultaneously entangled in their path and polarization degrees of freedom
are used to measure the topological phase acquired by bipartite entangled states …