Optimal wave fields for micromanipulation in complex scattering environments

@article{Horodynski2019OptimalWF,
  title={Optimal wave fields for micromanipulation in complex scattering environments},
  author={M. Horodynski and M. K{\"u}hmayer and A. Brandst{\"o}tter and Kevin Pichler and Y. Fyodorov and U. Kuhl and S. Rotter},
  journal={Nature Photonics},
  year={2019},
  volume={14},
  pages={149-153}
}
The manipulation of small objects with light has become an indispensable tool in many areas of research, ranging from physics to biology and medicine 1 – 7 . Here, we demonstrate how to implement micromanipulation at the optimal level of efficiency for arbitrarily shaped targets and inside complex environments such as disordered media. Our approach is to design wavefronts in the far field 8 – 15 with optimal properties in the near field of the target to apply the strongest possible force… Expand

Figures from this paper

Optimal Cooling of Multiple Levitated Particles through Far-Field Wavefront-Shaping
Manipulating and cooling small particles with light are long-standing challenges in many areas of science, from the foundations of physics to applications in biology and nano-technology. Light fieldsExpand
Programmable meta-atom inclusions in complex media enable coherent wave control with an arbitrary wavefront
TLDR
A proposal that enables coherent wave control in disordered matter even if the impinging wavefront cannot be shaped, and suggests to dope the random medium with programmable meta-atoms in order to adapt it to an imposed incoming wavefront for a specific task. Expand
Coherent Wave Control in Complex Media with Arbitrary Wavefronts.
TLDR
This work doping the disordered medium with programmable meta-atoms in order to adapt it to an imposed arbitrary incoming wavefront, lifting the need for carefully shaped incident wavefronts and unlocking new opportunities such as sequentially achieving different functionalities with the same arbitrary wavefront. Expand
Maximal single-frequency electromagnetic response
Modern nanophotonic and meta-optical devices utilize a tremendous number of structural degrees of freedom to enhance light–matter interactions. A fundamental question is how large such enhancementsExpand
Tailored micro-optical freeform holograms for integrated complex beam shaping
TLDR
A design methodology to realize complex illumination patterns with high diffraction efficiencies in a strongly miniaturized and functional integrated approach by combining the advantages of refractive freeform wavefront tailoring and diffractive beam shaping is introduced. Expand
Designing All-Electric Subwavelength Metasources for Near-Field Photonic Routings.
TLDR
This work proposes all-electric near-field metasources in subwavelength scale without mimicking the polarization features or introducing magnetic dipoles, and experimentally demonstrates the efficient near- field photonic routing achieved in waveguides composed of two kinds of single-negative metamaterials. Expand
On‐Demand Coherent Perfect Absorption in Complex Scattering Systems: Time Delay Divergence and Enhanced Sensitivity to Perturbations
Non-Hermitian photonic systems capable of perfectly absorbing incident radiation recently attracted much attention both because fundamentally they correspond to an exotic scattering phenomenon (aExpand
Compressively sampling the optical transmission matrix of a multimode fibre
TLDR
This work explores how measurement requirements of the optical transmission matrix can be relaxed using the framework of compressive sensing, in which the incorporation of prior information enables accurate estimation from fewer measurements than the dimensionality of the TM the authors aim to reconstruct. Expand
Generalization of Wigner time delay to subunitary scattering systems.
TLDR
It is found that the time delay and the determinant of the scattering matrix share a common feature in that the resonant behavior in Re[τ] and Im[ τ] serves as a reliable indicator of the condition for coherent perfect absorption (CPA). Expand
Experimental Generation of Quasi-Zero-Order Mathieu-Gauss Beams via Diffractive Elements in THz Domain
We first demonstrate the Terahertz quasi-zero-order Mathieu-Gauss beams with a 0.1-THz continuous wave. To generate these beams, two diffractive elements, a cylindrical lens and an axicon bearingExpand
...
1
2
3
...

References

SHOWING 1-10 OF 47 REFERENCES
In situ wavefront correction and its application to micromanipulation
In any optical system, distortions to a propagating wavefront reduce the spatial coherence of a light field, making it increasingly difficult to obtain the theoretical diffraction-limited spot size.Expand
Focusing light inside scattering media with magnetic-particle-guided wavefront shaping.
TLDR
A guidestar mechanism that relies on magnetic modulation of small particles that enables micrometer-scale focusing inside biological tissue with a peak intensity-to-background ratio (PBR) of 140 and holds great promise for deep-tissue applications such as optogenetic modulation of neurons, targeted light-based therapy, and imaging. Expand
Controlling waves in space and time for imaging and focusing in complex media
In complex media such as white paint and biological tissue, light encounters nanoscale refractive-index inhomogeneities that cause multiple scattering. Such scattering is usually seen as anExpand
Optimal nanoparticle forces, torques, and illumination fields
A universal property of resonant subwavelength scatterers is that their optical cross-sections are proportional to a square wavelength, λ2, regardless of whether they are plasmonic nanoparticles,Expand
Focusing inside Disordered Media with the Generalized Wigner-Smith Operator.
TLDR
A wave front shaping protocol for focusing inside disordered media based on a generalization of the established Wigner-Smith time-delay operator is introduced and is expected to be particularly attractive for optical imaging in disorderedMedia. Expand
Time-reversed adapted-perturbation (TRAP) optical focusing onto dynamic objects inside scattering media
TLDR
By time-reversing the perturbed component of the scattered light adaptively, it is shown that it is possible to focus light to the origin of the perturbation by employing intrinsic dynamics as guide stars. Expand
Focusing on moving targets through scattering samples.
TLDR
By achieving optical time reversal and focusing noninvasively without any external guide stars, using just the intrinsic characteristics of the sample, this work paves the way to a range of scattering media imaging applications, including underwater and atmospheric focusing as well as noninvasive in vivo flow cytometry. Expand
Guidestar-assisted wavefront-shaping methods for focusing light into biological tissue.
TLDR
Recently developed 'guidestar' mechanisms that provide feedback for intra-tissue focusing are summarized and potential applications of guidestar-assisted focusing include optogenetic control over neurons, targeted photodynamic therapy and deep tissue imaging. Expand
Enhanced optical trapping via structured scattering
Structured light is used to created optical traps with stiffness an order of magnitude higher than conventional Gaussian traps in one-dimension. Interferometry can completely redirect light,Expand
Position clamping in a holographic counterpropagating optical trap.
TLDR
3D servocontrol of a trapped particle is demonstrated in the "macro-tweezers" geometry, which has a much larger field of view and working distance than single-beam tweezers due to its lower numerical aperture requirements. Expand
...
1
2
3
4
5
...