Characteristics of Nonstatic Quantum Light Waves: The Principle for Wave Expansion and Collapse

Choi, Jeong Ryeol

doi:10.3390/photonics8050158

Cited by 4 publications

(2 citation statements)

References 62 publications

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“…During the time evolution of such wave packets, the waves exhibit a peculiar behavior as a manifestation of their nonstaticity, which is that they become narrow and broad in turn periodically in quadrature space. Subsequently, we also analyzed the mechanism underlain in such a phenomenon from a fundamental point of view [13].…”

Section: Introductionmentioning

confidence: 99%

The effects of light-wave nonstaticity on accompanying geometric-phase evolutions

Choi

2021

Preprint

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Quantum mechanics allows the emergence of nonstatic quantum light waves in the Fock state even in a transparent medium of which electromagnetic parameters do not vary over time. Such wave packets become broad and narrow in turn periodically in time in the quadrature space.We investigate the effects of wave nonstaticity arisen in a static environment on the behavior of accompanying geometric phases in the Fock states. In this case, the geometric phases appear only when the measure of nonstaticity is not zero and their time behavior is deeply related to the measure of nonstaticity. While the dynamical phases undergo linear decrease over time, the geometric phases exhibit somewhat oscillatory behavior where the center of oscillation linearly increases. In particular, if the measure of nonstaticity is sufficiently high, the geometric phases abruptly change whenever the waves become narrow in the quadrature space. The understanding for the phase evolution of nonstatic light waves is necessary in their technological applications regarding wave modulations.

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Section: Introductionmentioning

confidence: 99%

The effects of light-wave nonstaticity on accompanying geometric-phase evolutions

Choi

2021

Preprint

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“…Further, the mechanism of wave expansion and collapse was elucidated in Ref. [16]. However, the above mentioned research was in principle confined in q-quadrature space only.…”

Section: Introductionmentioning

confidence: 99%

Clarifying nonstatic-quantum-wave behavior through extending its analysis to the p-quadrature space: Interrelation between the q- and p-space wave-nonstaticities

Choi¹

2021

Preprint

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If electromagnetic parameters of a medium vary in time, quantum light waves traveling in it become nonstatic. A recent report shows that such nonstatic waves can also appear even when the environment is static where the parameters of the medium do not vary. In this work, the properties of nonstatic waves in a static environment are investigated from their p-space analysis, focusing on the interrelation between the q-and p-space nonstatic waves. The probability densities in p-space (as well as in q-space) for both the nostatic Fock and Gaussian states evolve in a periodic manner, i.e., they constitute belly and node in turn successively as time goes by. If we neglect the displacement of waves, the q-and p-space wave phases are opposite each other. Since the intensity of the wave in each space is relatively large whenever the wave forms a belly, such a phase difference indicates that periodical intensity exchange between the q-and p-component waves takes place through their nonstatic evolutions. This is the novel reciprocal optical phenomenon arisen on account of the wave nonstaticity.

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Effects of light-wave nonstaticity on accompanying geometric-phase evolutions

Choi

2021

Opt. Express

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Quantum mechanics allows the emergence of nonstatic quantum light waves in the Fock state even in a transparent medium of which electromagnetic parameters do not vary over time. Such wave packets become broad and narrow in turn periodically in the quadrature space. We investigate the effects of wave nonstaticity arisen in a static environment on the behavior of accompanying geometric phases in the Fock states. In this case, the geometric phases appear only when the measure of nonstaticity is not zero and their time behavior is deeply related to the measure of nonstaticity. While the dynamical phases undergo linear decrease over time, the geometric phases exhibit somewhat oscillatory behavior where the center of oscillation increases linearly. In particular, if the measure of nonstaticity is sufficiently high, the geometric phases abruptly change whenever the waves become narrow in the quadrature space. The understanding for the phase evolution of nonstatic light waves is necessary in their technological applications regarding wave modulations.

show abstract

Characteristics of Nonstatic Quantum Light Waves: The Principle for Wave Expansion and Collapse

Cited by 4 publications

References 62 publications

The effects of light-wave nonstaticity on accompanying geometric-phase evolutions

The effects of light-wave nonstaticity on accompanying geometric-phase evolutions

Clarifying nonstatic-quantum-wave behavior through extending its analysis to the p-quadrature space: Interrelation between the q- and p-space wave-nonstaticities

Effects of light-wave nonstaticity on accompanying geometric-phase evolutions

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