Tunable entangled photon-pair generation in a liquid crystal

V Sultanov, A Kavčič, E Kokkinakis, N Sebastián… - Nature, 2024 - nature.com
Liquid crystals, with their ability to self-assemble, strong response to an electric field and
integrability into complex systems, are key materials in light-beam manipulation. The …

Flat-optics generation of broadband photon pairs with tunable polarization entanglement

V Sultanov, T Santiago-Cruz, MV Chekhova - Optics Letters, 2022 - opg.optica.org
The concept of “flat optics” is quickly conquering different fields of photonics, but its
implementation in quantum optics is still in its infancy. In particular, polarization …

Statistical reconstruction of qutrits

YI Bogdanov, MV Chekhova, LA Krivitsky, SP Kulik… - Physical Review A …, 2004 - APS
We discuss a procedure of measurement followed by the reproduction of the quantum state
of a three-level optical system—a frequency—and spatially degenerate two-photon field …

Mutually unbiased bases and trinary operator sets for qutrits

J Lawrence - Physical Review A—Atomic, Molecular, and Optical …, 2004 - APS
A compete orthonormal basis of N-qutrit unitary operators drawn from the Pauli group
consists of the identity and 9 N− 1 traceless operators. The traceless ones partition into 3 N+ …

Statistical reconstruction of the quantum states of three-level optical systems

YI Bogdanov, LA Krivitsky, SP Kulik - Journal of Experimental and …, 2003 - Springer
The procedure of measurement followed by the reconstruction of the quantum state of a
three-level optical system is implemented for a frequency-and spatially degenerate two …

Shared quantum control via sharing operation on remote single qutrit

D Liu, Y Liu, C **e, X Yin, X Liu, Z Zhang - Quantum information …, 2013 - Springer
Two qubit-operation-sharing schemes (Zhang and Cheung in J. Phys. B 44: 165508, 2011)
are generalized to the qutrit ones. Operations to be shared are classified into three different …

System and method of quantum computing using three-state representation of a qubit

WA Roshen, SM Vaidya - US Patent 8,374,994, 2013 - Google Patents
In view of the foregoing, and other, exemplary problems, drawbacks, and disadvantages of
the conventional systems, it is an exemplary feature of the present invention to provide a …

Entangled photons from liquid crystals: a new paradigm of tunable quantum light sources

V Sultanov, A Kavčič, M Kokkinakis… - arxiv preprint arxiv …, 2024 - arxiv.org
Due to the ability of liquid crystals to self-assemble into complex structures, their strong
response to the electric field, integrability into complex optical systems, and recently also …

Quantum-assisted graph clustering and quadratic unconstrained d-ary optimisation

S Pramanik, MG Chandra - arxiv preprint arxiv:2004.02608, 2020 - arxiv.org
Of late, we are witnessing spectacular developments in Quantum Information Processing
with the availability of Noisy Intermediate-Scale Quantum devices of different architectures …

Entanglement of multiphoton states in polarization and quadrature variables

MV Fedorov - Laser Physics, 2019 - iopscience.iop.org
A brief overview of entanglement characterization is given in the cases of biphoton and
multiphoton polarization states. The importance of the approach is stressed based on the …