Transition metal ion ensembles in crystals as solid-state coherent spin-photon interfaces: The case of nickel in magnesium oxide

• URL: http://arxiv.org/abs/2212.14827v2
• Date: Tue, 22 Aug 2023 14:46:43 GMT
• Title: Transition metal ion ensembles in crystals as solid-state coherent spin-photon interfaces: The case of nickel in magnesium oxide
• Authors: E. Poem, S. Gupta, I. Morris, K. Klink, L. Singh, T. Zhong, J. N. Becker, and O. Firstenberg
• Abstract summary: We present general guidelines for finding solid-state systems that could serve as coherent electron spin-photon interfaces. We show that transition metal ions in various crystals could comply with these guidelines.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We present general guidelines for finding solid-state systems that could serve as coherent electron spin-photon interfaces even at relatively high temperatures, where phonons are abundant but cooling is easier, and show that transition metal ions in various crystals could comply with these guidelines. As an illustrative example, we focus on divalent nickel ions in magnesium oxide. We perform electron spin resonance spectroscopy and polarization-sensitive magneto-optical fluorescence spectroscopy of a dense ensemble of these ions and find that (i) the ground-state electron spin stays coherent at liquid-helium temperatures for several microseconds, and (ii) there exists energetically well-isolated excited states which can couple to two ground state spin sub-levels via optical transitions of orthogonal polarizations. The latter implies that fast, coherent optical control over the electron spin is possible. We then propose schemes for optical initialization and control of the ground-state electron spin using polarized optical pulses, as well as two schemes for implementing a noise-free, broadband quantum-optical memory at near-telecom wavelengths in this material system.

Related papers

• Room-temperature optical spin polarization of an electron spin qudit in a vanadyl -- free base porphyrin dimer [35.34500698545813]
  Photoexcited organic chromophores appended to molecular qubits can serve as a source of spin initialization or multi-level qudit generation for quantum information applications. Time-resolved electron paramagnetic resonance (TREPR) experiments carried out at both 85 K and room temperature reveal the formation of a long-lived spin-polarized quartet state. Exploiting this phenomenon affords the possibility of using photoinduced triplet states in porphyrins for quantum information as a resource to polarize and magnetically couple molecular electronic or nuclear spin qubits and qudits.
  arXiv  Detail & Related papers  (2024-08-04T18:08:20Z)
• In-situ-tunable spin-spin interactions in a Penning trap with in-bore optomechanics [41.94295877935867]
  We present an optomechanical system for in-situ tuning of the coherent spin-motion and spin-spin interaction strength. We characterize the system using measurements of the induced mean-field spin precession. These experiments show approximately a $times2$ variation in the ratio of the coherent to incoherent interaction strength.
  arXiv  Detail & Related papers  (2024-01-31T11:00:39Z)
• Dark excitons and hot electrons modulate exciton-photon strong coupling in metal-organic optical microcavities [0.0]
  Polaritons are formed as a result of strong hybridization of matter with light. Their understanding is of paramount importance, but their disentanglement in optical spectroscopy, thus far remained unattainable. We show that dark excitons affect the strength of exciton-photon coupling and manifest themselves as Fano-like polaritonic gain-loss spectra.
  arXiv  Detail & Related papers  (2024-01-26T13:02:09Z)
• Strongly Coupled Spins of Silicon-Vacancy Centers Inside a Nanodiamond with Sub-Megahertz Linewidth [43.06643088952006]
  electron spin of a color center in diamond mediates interaction between a long-lived nuclear spin and a photon. We demonstrate strong coupling of its electron spin, while the electron spin's decoherence rate remained below 1 MHz. We furthermore demonstrate multi-spin coupling with the potential to establish registers of quantum memories in nanodiamonds.
  arXiv  Detail & Related papers  (2023-12-14T14:17:35Z)
• Electron-assisted manipulation of polaritonic light-matter states [0.0]
  We investigate strong light-matter coupling through monochromatic and modulated electron wavepackets. In particular, we consider an archetypal target, comprising a nanophotonic cavity next to a single two-level emitter. We show the power of modulated electrons beams as quantum tools for the manipulation of polaritonic targets.
  arXiv  Detail & Related papers  (2023-12-11T16:28:32Z)
• Directional spontaneous emission in photonic crystal slabs [49.1574468325115]
  Spontaneous emission is a fundamental out-of-equilibrium process in which an excited quantum emitter relaxes to the ground state due to quantum fluctuations. One way to modify these photon-mediated interactions is to alter the dipole radiation patterns of the emitter, e.g., by placing photonic crystals near them. Our study delves into the interaction between these directional emission patterns and the aforementioned variables, revealing the untapped potential to fine-tune collective quantum optical phenomena.
  arXiv  Detail & Related papers  (2023-12-04T15:35:41Z)
• Floquet-engineered chiral-induced spin selectivity [0.0]
  We show that CISS can be observed in achiral systems driven by an external circularly polarized laser field in the framework of Floquet engineering. To obtain a wider range of energies for large spin polarization, a combination of chiral molecules and light-matter interactions is considered.
  arXiv  Detail & Related papers  (2023-02-20T07:06:17Z)
• Coherent control of the orbital occupation driving the insulator-to-metal Mott transition in V$_2$O$_3$ [40.24757332810004]
  coherent electronic control of the photoinduced insulator-to-metal transition in a Mott Bloch insulator is demonstrated. Results open new routes to selectively switch the functionalities of quantum materials.
  arXiv  Detail & Related papers  (2022-11-03T11:52:45Z)
• Plasmonics enabled atomically thin linearly polarized emitter at room temperature [0.0]
  tuning of excitonic emission from monolayer WSe2 mechanically exfoliated on top of a periodic two dimensional plasmonic array of elliptical gold (Au) nanodiscs. The results demonstrate active tunability of optical emission from WSe2 by using an otherwise passive plasmonic environment and open the possibility of achieving atomically thin linearly polarized emitters at room temperature.
  arXiv  Detail & Related papers  (2022-05-25T17:38:58Z)
• Single quantum emitters with spin ground states based on Cl bound excitons in ZnSe [55.41644538483948]
  We show a new type of single photon emitter with potential electron spin qubit based on Cl impurities inSe. Results suggest single Cl impurities are suitable as single photon source with potential photonic interface.
  arXiv  Detail & Related papers  (2022-03-11T04:29:21Z)
• Formation of Matter-Wave Polaritons in an Optical Lattice [0.0]
  polariton is a quasiparticle formed by strong coupling of a photon to a matter excitation. We develop an ultracold-atom analogue of an exciton-polariton system in which interacting polaritonic phases can be studied. Our work opens up novel possibilities for studies of polaritonic quantum matter.
  arXiv  Detail & Related papers  (2021-09-06T04:46:31Z)

This list is automatically generated from the titles and abstracts of the papers in this site.

This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.