open access publication

Article, 2024

Nonclassical states of light after high-harmonic generation in semiconductors: A Bloch-based perspective

Physical Review B, ISSN 1095-3795, 2469-9950, 1098-0121, 1550-235x, 2469-9969, Volume 109, 3, Page 035203, 10.1103/physrevb.109.035203

Contributors

Rivera-Dean, Javier 0000-0003-3031-0029 [1] Stammer, Philipp [1] Maxwell, Andrew Stephen 0000-0002-6503-4661 [2] Lamprou, Theocharis 0000-0001-5307-3041 [3] [4] Ordonez, Andres F 0000-0001-5274-4413 [1] Pisanty, Emilio 0000-0003-0598-8524 [5] Tzallas, Paraskevas 0000-0002-8063-5596 [4] [6] Lewenstein, M 0000-0002-0210-7800 [1] [7] Ciappina, Marcelo Fabián 0000-0002-1123-6460 [8] [9]

Affiliations

  1. [1] Institute of Photonic Sciences
    2. [NORA names: Spain; Europe, EU; OECD];
  2. [2] Aarhus University
    3. [NORA names: AU Aarhus University; University; Denmark; Europe, EU; Nordic; OECD];
  3. [3] University of Crete
    4. [NORA names: Greece; Europe, EU; OECD];
  4. [4] FORTH Institute of Electronic Structure and Laser
    5. [NORA names: Greece; Europe, EU; OECD];
  5. [5] King's College London
    6. [NORA names: United Kingdom; Europe, Non-EU; OECD];

Abstract

High-harmonic generation (HHG) has emerged as a pivotal process in strong-field physics, yielding extreme ultraviolet radiation and attosecond pulses for a wide range of applications. Furthermore, its emergent connection with the field of quantum optics has revealed its potential for generating nonclassical states of light. Here, we investigate the process of high-harmonic generation in semiconductors under a quantum optical perspective while using a Bloch-based solid-state description. Through the implementation of quantum operations based on the measurement of high-order harmonics, we demonstrate the generation of nonclassical light states similar to those found when driving atomic systems. These states are characterized using diverse quantum optical observables and quantum information measures, showing the influence of electron dynamics on their properties. Additionally, we analyze the dependence of their features on solid characteristics such as the dephasing time and crystal orientation, while also assessing their sensitivity to changes in driving field strength. This paper provides insights into HHG in semiconductors and its potential for generating nonclassical light sources.

Keywords

applications, atomic system, attosecond pulses, changes, characteristics, connection, crystal, crystal orientation, dependence, dephasing, dephasing time, description, driving field strength, dynamics, electron dynamics, features, field, field of quantum optics, field strength, generation, harmonics, high-harmonic generation, high-order harmonics, implementation, implementation of quantum operations, influence, information measures, light, light sources, light states, measurements, nonclassical light sources, nonclassical light states, nonclassical states, nonclassical states of light, observations, operation, optical observations, optical perspective, optics, orientation, perspective, physics, potential, process, process of high harmonic generation, properties, pulse, quantum information measures, quantum operations, quantum optics, radiation, semiconductor, sensitive to changes, sensitivity, solid characteristics, solid-state description, source, state, state of light, strength, strong-field physics, system, time, ultraviolet radiation

Funders

  • National Natural Science Foundation of China
  • European Research Council
  • Institute of Photonic Sciences
  • CaixaBank (Spain)
  • Barcelona Supercomputing Center
  • Royal Society
  • National Science Center
  • European Commission

Data Provider: Digital Science

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