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Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
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Exact Quantum Electrodynamics of Radiative Photonic Environments.

Ben Yuen1, Angela Demetriadou1

  • 1School of Physics and Astronomy, <a href="https://ror.org/03angcq70">University of Birmingham</a>, Edgbaston, Birmingham B15 2TT, United Kingdom.

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|December 3, 2024
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Summary
This summary is machine-generated.

We developed a new quantum method for photonic devices, accurately describing quantum emitters and electromagnetic interactions without approximations. This approach captures complex dynamics and applies to various nanophotonic systems.

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Area of Science:

  • Quantum optics
  • Nanophotonics
  • Theoretical physics

Background:

  • Quantum emitters interact with complex electromagnetic environments.
  • Existing methods often rely on approximations, limiting accuracy for non-Markovian dynamics.
  • Quantizing non-Hermitian systems presents significant theoretical challenges.

Purpose of the Study:

  • To introduce a comprehensive second quantization scheme for radiative photonic devices.
  • To provide an exact description of quantum emitters interacting with electromagnetic fields.
  • To overcome limitations of current methods in handling non-Markovian dynamics and non-Hermitian systems.

Main Methods:

  • Canonical quantization of photonic eigenmodes.
  • Transformation of continuous modes into a discrete set of pseudomodes.
  • Development of a method applicable to diverse nanophotonic geometries without reservoir approximations.

Main Results:

  • A complete and exact description of quantum emitters in electromagnetic environments.
  • Accurate capture of all non-Markovian quantum dynamics.
  • A scheme that successfully quantizes non-Hermitian systems.

Conclusions:

  • The presented second quantization scheme offers a powerful tool for studying quantum correlations in photonic devices.
  • This method provides new insights into quantum emitter-environment interactions.
  • The scheme's applicability to various nanophotonic geometries broadens its potential impact.