Two-photon lasers

Gauthier, Daniel J.

doi:10.1016/s0079-6638(03)80006-9

Cited by 11 publications

(8 citation statements)

References 142 publications

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“…Here, it suffices to express them as κ ⇑ ¼ γn ⇑ and κ ⇓ ¼ γn ⇓ , where γ is an effective atom-photon coupling strength while n ⇑ and n ⇓ are the fractional atomic populations in the excited and ground states, respectively. Two-photon amplifiers have been widely studied for some time [25,26,[28][29][30][31][32][33][34][35][36][37][38] and their output photon statistics have been intensively studied for the model of ( 13) and special cases of it [25,26]. Already in Ref.…”

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confidence: 99%

Phase-Preserving Linear Amplifiers Not Simulable by the Parametric Amplifier

et al. 2020

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It is commonly accepted that a parametric amplifier can simulate a phase-preserving linear amplifier regardless of how the latter is realized [C. M. Caves et al., Phys. Rev. A 86, 063802 (2012)]. If true, this reduces all phase-preserving linear amplifiers to a single familiar model. Here we disprove this claim by constructing two counterexamples. A detailed discussion of the physics of our counterexamples is provided. It is shown that a Heisenberg-picture analysis facilitates a microscopic explanation of the physics. This also resolves a question about the nature of amplifier-added noise in degenerate two-photon amplification.

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confidence: 99%

Phase-Preserving Linear Amplifiers Not Simulable by the Parametric Amplifier

et al. 2020

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“…Applying the stationary conditions (i.e.ṅ 21 =ṅ 32 = ρ 21 =ρ 31 =ρ 32 = 0) to our system allows to obtain the steady-state solutions for the polarizations (see Fig. 4d) in the following form [60]:…”

Section: Resultsmentioning

confidence: 99%

Nonlinear plasmonic switching in graphene-based stub nanoresonator loaded with core-shell nanowire

Gubin

Leksin

Shesterikov

et al. 2020

Applied Surface Science

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“…Let us consider two nonlinear processes of light generation in laser [16,13] and collective decay phenomena [17,18]. In the second order of interaction of light with matter, these processes strongly connect the quantum fluctuations of two waves.…”

Section: Generation Of Biharmonic Strength Operators and Their Coherementioning

confidence: 99%

“…The scattering effects in two-photon amplifier attenuate the possibility to realize two-photon lasing. The first experiments demonstrated that two-photon amplification and lasing in the presence of external sources are possible [16,29]. These ideas open the new conception about the coherence.…”

Section: G Bmentioning

confidence: 99%

Coherence Proprieties of Entangled Bi-Modal Field and Its Application in Holography and Communication

Enaki¹

2019

Quantum Cryptography in Advanced Networks

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This chapter examines the coherence properties of two modes of entangled photons and its application quantum communication and holography. It is proposed novel two-photon entangled sources which take into account the coherence and collective phenomena between the photon belonging to two different modes obtained in two-photon cooperative emission or Raman or lasing. The generation of the correlated bimodal entangled field in two-photon emission or Raman Pump, Stokes and anti-Stokes modes is proposed in the free space and cavity-induced emission. The application two-photon and Raman bimodal coherent field in communication and holography are given in accordance with the definition of amplitude and phase of such entangled states of light. At first, this method does not appear to be essentially different in comparison with the classical coherent state of information processing, but if we send this information in dispersive media, which separates the anti-Stokes and Stokes photons from coherent entanglement fields, the information is drastically destroyed, due to the quantum distribution of photons in the big number modes may be realized in the situation in which the mean value of strength of bimodal field tends to zero. The possibility of restoration of the signal after the propagation of the bimodal field through different fibers, we may restore the common square amplitude and phase.

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Two-photon lasers

Cited by 11 publications

References 142 publications

Phase-Preserving Linear Amplifiers Not Simulable by the Parametric Amplifier

Phase-Preserving Linear Amplifiers Not Simulable by the Parametric Amplifier

Nonlinear plasmonic switching in graphene-based stub nanoresonator loaded with core-shell nanowire

Coherence Proprieties of Entangled Bi-Modal Field and Its Application in Holography and Communication

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