• High Power Laser Science and Engineering
  • Vol. 8, Issue 4, 04000e42 (2020)
Th. Lamprou1、2, I. Liontos1, N. C. Papadakis1、3, and P. Tzallas1、4、*
Author Affiliations
  • 1Foundation for Research and Technology-Hellas, Institute of Electronic Structure and Laser, 70013Heraklion (Crete), Greece
  • 2Department of Physics, University of Crete, 70013Heraklion (Crete), Greece
  • 3Mechanical Engineering Department, School of Applied Sciences, Hellenic Mediterranean University, 71410Heraklion, Greece
  • 4ELI-ALPS, ELI-Hu Non-Profit Ltd., H-6720Szeged, Hungary
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    Abstract

    Nonclassical light sources have a vital role in quantum optics as they offer a unique resource for studies in quantum technology. However, their applicability is restricted by their low intensity, while the development of new schemes producing intense nonclassical light is a challenging task. In this perspective article, we discuss potential schemes that could be used towards the development of high photon flux nonclassical light sources and their future prospects in nonlinear optics.

    1 Introduction

    The quantum description of a classically oscillating electromagnetic field[1,2] changed the course of the history on light technology and light–matter interaction, opening the way for the development of quantum optics which has led to countless applications in quantum technology[3,4]. The nonclassical light sources[511] have a vital role in this research domain, as they offer a unique resource for fundamental studies and applications in quantum technology. Despite the tremendous progress of this research domain, the majority of the achievements have been accomplished using relatively weak electromagnetic fields (low photon number light sources). Consequently, the applicability of the majority of the existing nonclassical sources is limited by their low intensity while the development of new schemes for the generation of high-intensity nonclassical light is considered as a challenging task. It is practically impossible to address in a single article the countless applications in basic research and technology that can be conducted using sources delivering high photon flux nonclassical light. For this reason, in this perspective article, after a brief introduction on the fundamentals of quantum optics and the generation of nonclassical light, we focus our discussion on the effect of the photon statistics of the light source in nonlinear optics emphasizing on multiphoton excitation processes.

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    Th. Lamprou, I. Liontos, N. C. Papadakis, P. Tzallas. A perspective on high photon flux nonclassical light and applications in nonlinear optics[J]. High Power Laser Science and Engineering, 2020, 8(4): 04000e42
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    Category: Research Articles
    Received: Oct. 2, 2020
    Accepted: Oct. 26, 2020
    Published Online: Jan. 5, 2021
    The Author Email: P. Tzallas (ptzallas@iesl.forth.gr)