Quantitative in situ measurement of optical force along a strand of cleaved silica optical fiber induced by the light guided therewithin

Partanen, Mikko; Lee, Hyeon‐Woo; Oh, Kyunghwan

doi:10.1364/prj.433995

Cited by 8 publications

(5 citation statements)

References 50 publications

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“…The atomic displacements are real, and their measurement should be feasible using present photonic instruments. These measurements also provide a complementary approach to experimental studies of optical forces and the Abraham-Minkowski controversy [1,[16][17][18][19][20][21][22][23][24][25][26][27][28]. As shown in our recent preliminary work on the MP theory of light for dispersive media [5], the predictions of the MP theory for the momentum of light are in excellent agreement with the high-precision measurements of Jones et al [21] for dispersive media.…”

Section: Introductionsupporting

confidence: 78%

“…Here we calculate the energy density of the field in the L frame in Eq. (27). The second term of Eq.…”

Section: Appendix E: Calculation Of the Energy Density Of The Field In The L Framementioning

confidence: 98%

“…The SEM tensor of the field, T (L) field , can be obtained by calculating the integrals in Eqs. (27) and (28). It follows that we can present the total SEM tensor of the field as a sum…”

Section: Sem Tensor Of the Field In The L Framementioning

confidence: 99%

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Covariant theory of light in a dispersive medium

Partanen

Tulkki

2021

Phys. Rev. A

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The relativistic theory of the time-and position-dependent energy and momentum densities of light in glasses and other low-loss dispersive media, where different wavelengths of light propagate at different phase velocities, has remained a largely unsolved challenge until now. This is astonishing in view of the excellent overall theoretical understanding of Maxwell's equations and the abundant experimental measurements of optical phenomena in dispersive media. The challenge is related to the complexity of the interference patterns of partial waves and to the coupling of the field and medium dynamics by the optical force on the medium atoms. In this work, we use the mass-polariton theory of light [Phys. Rev. A 96, 063834 (2017)] to derive the stressenergy-momentum (SEM) tensors of the field and the dispersive medium. Our starting point, the fundamental local conservation laws of energy and momentum densities in classical field theory, is close to that of a recent theoretical work on light in dispersive media by Philbin [Phys. Rev. A 83, 013823 (2011)], which, however, excludes the power-conversion and force density source terms describing the coupling between the field and the medium. In the general inertial frame, we present the SEM tensors in terms of Lorentz scalars, four-vectors, and field tensors that reflect in a transparent way the Lorentz covariance of the theory. The SEM tensors of the field and the medium are symmetric, form-invariant for all inertial observers, and in full accordance with the covariance principle of the special theory of relativity. When the power-conversion and force density source terms are accounted for, there is no need to introduce asymmetric SEM tensors or heuristic symmetrization procedures even for the field and medium subsystems. Therefore, asymmetric SEM tensors based on strictly classical energy and momentum densities, which have been studied in previous literature, do not account for all aspects in the field-medium coupling of electromagnetic waves. However, being based on classical field theory, the present work prompts for further groundwork on the classical limit of the quantum mechanical spin of light in a medium. The SEM tensor of the coupled field-medium state of light also has zero four-divergence. Therefore, light in a dispersive medium has a well-defined four-momentum and rest frame. The volume integrals of the total energy and momentum densities of light agree with the model of mass-polariton quasiparticles having a nonzero rest mass. The coupled field-medium state of light drives forward an atomic mass density wave, which makes the constant center-of-energy velocity law of an isolated system-a fundamental conservation law of nature-satisfied. This provides strong evidence for the consistency of the theory. The predictions of our work, such as the atomic mass density wave associated with light, are accessible to experiments.

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Section: Introductionsupporting

confidence: 78%

“…Here we calculate the energy density of the field in the L frame in Eq. (27). The second term of Eq.…”

Section: Appendix E: Calculation Of the Energy Density Of The Field In The L Framementioning

confidence: 98%

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Covariant theory of light in a dispersive medium

Partanen

Tulkki

2021

Phys. Rev. A

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“…The Abraham volume force density, however, has experimental support in the quasistatic limit [99]. There are works reporting measurements of the Abraham force at optical frequencies [100][101][102], but the interpretation of the results of these measurements is nontrivial [103][104][105][106][107][108].…”

Section: Optical Wave Momentum Force Densitymentioning

confidence: 99%

Time-dependent theory of optical electro- and magnetostriction

et al. 2023

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“…Indeed, the excitation with a continuous wave illumination at frequency ω 0 effectively produces an optical force that oscillates at frequency 2ω 0 [29]; optical forces in the time domain have many similarities with second harmonic and sum-frequency generations [30,31,32]. For example, for illumination with two slightly detuned waves ω 0 and ω 0 +Ω, the optical force acquires a frequency difference component at frequency Ω, which can lead to mechanical oscillations of macro- [33,34,35] and micro-scale [36,37,38,39,40,41,42] objects.…”

Section: Introductionmentioning

confidence: 99%

Pulling force enabled by unlocking the optical phase

Kiselev,

Achouri,

Zavatski

et al. 2024

Preprint

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We demonstrate a possibility of achieving an optical pulling force without complex beam-shaping techniques. By using optical pulses detuned from the resonant frequency of the structure, we create conditions where the spectral maxima of the excited current and of the incident field do not match. Therefore, the phase shift between the two, which controls the optical force, becomes time-dependent, thus enabling unexpected optical effects. Particularly, it is shown that tuning the central frequency of the pulse produces a temporal pulling force directed towards the illumination source.

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Quantitative in situ measurement of optical force along a strand of cleaved silica optical fiber induced by the light guided therewithin

Cited by 8 publications

References 50 publications

Covariant theory of light in a dispersive medium

Covariant theory of light in a dispersive medium

Time-dependent theory of optical electro- and magnetostriction

Pulling force enabled by unlocking the optical phase

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