291 citations · 965 across the 20 of their papers we have counts for
20 papers
Optical investigation of ultra-slow spin relaxation in Yb:YSiO single crystals
Federico Chiossi, Alexey Tiranov, Luois Nicolas +9
We present a comprehensive study of spin relaxation dynamics at cryogenic temperatures in a rare-earth-doped crystal used for quantum memory applications: Yb:YSiO.…
Enhanced magnetic field sensitivity of shallow NV ensembles via high-temperature implantation
Joa Al Yahya, Anatole Bach, Jayash Panigrahi +7
Dense and shallow ensembles of negatively charged nitrogen-vacancy centers (NV) with good optical and spin properties play a key role in the performance enhancement of diamond-…
Interactions in Rare Earth Doped Nanoparticles: A Multi-Transition, Concentration, and Excitation Path Analysis
Pauline Perrin, Luiz Fernando Dos Santos, Diana Serrano +5
Understanding and modeling energy transfer mechanisms in rare-earth-doped nanomaterials is essential for advancing luminescent technologies used in bioimaging, optical thermometry,…
Sub-second spin and lifetime-limited optical coherences in Yb:CaWO
Alexey Tiranov, Emanuel Green, Sophie Hermans +8
Optically addressable solid-state spins have been extensively studied for quantum technologies, offering unique advantages for quantum computing, communication, and sensing. Advanc…
Incoherent Measurement of Sub-10 kHz Optical Linewidths
Félix Montjovet-Basset, Jayash Panigrahi, Diana Serrano +5
Quantum state lifetimes , or equivalently homogeneous linewidths , are a key parameter for understanding decoherence processes in quantum systems and assessing t…
Hot ion implantation to create dense NV centre ensembles in diamond
Midrel Wilfried Ngandeu Ngambou, Pauline Perrin, Ionut Balasa +9
Creating dense and shallow nitrogen vacancy (NV) ensembles with good spin properties, is a prerequisite for developing diamond-based quantum sensors exhibiting better performance.…
Optical storage for 0.53 seconds in a solid-state atomic frequency comb memory using dynamical decoupling
Adrian Holzäpfel, Jean Etesse, Krzysztof T. Kaczmarek +3
Quantum memories with long storage times are key elements in long-distance quantum networks. The atomic frequency comb (AFC) memory in particular has shown great promise to fulfill…
Spectroscopic study of hyperfine properties in Yb:YSiO
Alexey Tiranov, Antonio Ortu, Sacha Welinski +4
Rare-earth ion doped crystals are promising systems for quantum communication and quantum information processing. In particular, paramagnetic rare-earth centres can be utilized to…
Simultaneous coherence enhancement of optical and microwave transitions in solid-state electronic spins
Antonio Ortu, Alexey Tiranov, Sacha Welinski +5
Solid-state electronic spins are extensively studied in quantum information science, as their large magnetic moments offer fast operations for computing and communication, and high…
Efficient optical pumping using hyperfine levels in Nd:YSiO and its application to optical storage
Emmanuel Zambrini Cruzeiro, Alexey Tiranov, Jonathan Lavoie +4
Efficient optical pumping is an important tool for state initialization in quantum technologies, such as optical quantum memories. In crystals doped with Kramers rare-earth ions, s…
Characterization of the hyperfine interaction of the excited D state of Eu:YSiO
Emmanuel Zambrini Cruzeiro, Jean Etesse, Alexey Tiranov +5
We characterize the Europium (Eu) hyperfine interaction of the excited state (D) and determine its effective spin Hamiltonian parameters for the Zeeman and quadrupol…
Experimental certification of millions of genuinely entangled atoms in a solid
Florian Fröwis, Peter C. Strassmann, Alexey Tiranov +6
Quantum theory predicts that entanglement can also persist in macroscopic physical systems, albeit difficulties to demonstrate it experimentally remain. Recently, significant progr…
Quantifying photonic high-dimensional entanglement
Anthony Martin, Thiago Guerreiro, Alexey Tiranov +5
High-dimensional entanglement offers promising perspectives in quantum information science. In practice, however, the main challenge is to devise efficient methods to characterize…
Spectral hole lifetimes and spin population relaxation dynamics in neodymium-doped yttrium orthosilicate
Emmanuel Zambrini Cruzeiro, Alexey Tiranov, Imam Usmani +6
We present a detailed study of the lifetime of optical spectral holes due to population storage in Zeeman sublevels of Nd:YSiO. The lifetime is measured as a functio…
Quantification of multidimensional entanglement stored in a crystal
Alexey Tiranov, Sébastien Designolle, Emmanuel Zambrini Cruzeiro +5
The use of multidimensional entanglement opens new perspectives for quantum information processing. However, an important challenge in practice is to certify and characterize multi…
Temporal multimode storage of entangled photon pairs
Alexey Tiranov, Peter C. Strassmann, Jonathan Lavoie +10
Multiplexed quantum memories capable of storing and processing entangled photons are essential for the development of quantum networks. In this context, we demonstrate the simultan…
Light-matter micro-macro entanglement
Alexey Tiranov, Jonathan Lavoie, Peter C. Strassmann +4
Quantum mechanics predicts microscopic phenomena with undeniable success. Nevertheless, current theoretical and experimental efforts still do not yield conclusive evidence that the…
Storage of hyperentanglement in a solid-state quantum memory
Alexey Tiranov, Jonathan Lavoie, Alban Ferrier +11
Two photons can simultaneously share entanglement between several degrees of freedom such as polarization, energy-time, spatial mode and orbital angular momentum. This resource is…
A source of polarization-entangled photon pairs interfacing quantum memories with telecom photons
Christoph Clausen, Felix Bussieres, Alexey Tiranov +5
We present a source of polarization-entangled photon pairs suitable for the implementation of long-distance quantum communication protocols using quantum memories. Photon pairs wit…
Quantum teleportation from a telecom-wavelength photon to a solid-state quantum memory
Felix Bussieres, Christoph Clausen, Alexey Tiranov +11
In quantum teleportation, the state of a single quantum system is disembodied into classical information and purely quantum correlations, to be later reconstructed onto a second sy…