Geoffroy LEROSEY

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Recent Research Topics

Disordered media and spatio-temporal degrees of freedom

Subwavelength focusing and imaging from the far field using new lenses “resonant metalens”, in microwave, acoustics, optics

Acoustic and electromagnetic metamaterials

Photonic and phononic crystals

Coherent control of the optical field

Time reversal at optical frequencies

Ultra wideband communications in complex and reverberating media, applications of time reversal

Plasmon generation and scattering, application to coherent control of the optical field

Resonant scatterers, multiple scattering in acoustics, electromagnetism and optics

Subwavelength gratings and their use in focusing/imaging

Micro-structured antennas for MIMO communications

Collaborations

  • Mathias Fink: numerous and various topics.
  • Alexandre Aubry and Claude Boccara: Optics in complex media, Time reversal of optical waves, Smar LIDAR.
  • Julien de Rosny: Smart antennas, metamaterials, theory of time reversal
  • Patrick Sebbah: elastic waves in plates

Current and former PhD students

  • Nadège Kaïna (2012-2015).
  • Matthieu Dupré (2012-2015).
  • Fabrice Lemoult (2008-2011). PhD obtained with honors in 2011. Now Assistant Professor ESPCI ParisTech.
  • Sébastien Popoff (2008-2011), 50% supervision (with Sylvain Gigan). PhD obtained with honors in 2011. Now postdoc at Yale, Hui Cao’s group.

7 Ms and trainees.

Grants

ANR JCJC (Young investigator) Sphocya (2013-2015) – 210k€.

“Subwavelength photonic crystals and applications”. This project aims at demonstrating components designed to mold the flow of waves akin those based on photonic crystals, yet with metamaterials and hence on much smaller scales.

A postdoc fellowship for 2 years is available on the topic.

France/Israel fellowship (2012-2013) – 80k€.

“Artificial nano-materials for super-resolution applications”. Joint project oriented to the optical domain with Guy Bartal from Technion, Israel.

Time reversal Communications (2008-present) – 40k€/year.

“Compact smart antennas and applications of time reversal to telecommunications”. Co-PI with Julien de Rosny.

Publications

Left-handed band in an electromagnetic metamaterial induced by sub-wavelength multiple scattering.
Yves, S., T. Berthelot, M. Fink, G. Lerosey, and F. Lemoult.
Applied Physics Letters 114, no. 11 (2019).
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Optimally diverse communication channels in disordered environments with tuned randomness.
del Hougne, P., M. Fink, and G. Lerosey.
Nature Electronics 2, no. 1 (2019): 36–41.
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Measuring Dirac Cones in a Subwavelength Metamaterial.
Yves, S., T. Berthelot, M. Fink, G. Lerosey, and F. Lemoult.
Physical Review Letters 121, no. 26 (2018).
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Doubly negative bubbly metamaterials.
Lanoy, M., J. H. Page, G. Lerosey, F. Lemoult, V. Leroy, and A. Tourin.
In 2018 12th International Congress on Artificial Materials for Novel Wave Phenomena, METAMATERIALS 2018, 246–248., 2018.
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Leveraging Chaos for Wave-Based Analog Computation: Demonstration with Indoor Wireless Communication Signals.
Del Hougne, P., and G. Lerosey.
Physical Review X 8, no. 4 (2018).
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Layer potential approach for fast eigenvalue characterization of the Helmholtz equation with mixed boundary conditions.
Dupré, M., M. Fink, J. Garnier, and G. Lerosey.
Computational and Applied Mathematics 37, no. 4 (2018): 4675–4685.
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Precise Localization of Multiple Noncooperative Objects in a Disordered Cavity by Wave Front Shaping.
Del Hougne, P., M. F. Imani, M. Fink, D. R. Smith, and G. Lerosey.
Physical Review Letters 121, no. 6 (2018).
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Dynamic Metasurface Aperture as Smart Around-the-Corner Motion Detector.
Del Hougne, P., M. F. Imani, T. Sleasman, J. N. Gollub, M. Fink, G. Lerosey, and D. R. Smith.
Scientific Reports 8, no. 1 (2018).
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Topological spoof plasmon polaritons based on C6-symmetric crystalline metasurfaces.
Fleury, R., S. Yves, T. Berthelot, M. Fink, F. Lemoult, and G. Lerosey.
In 2017 11th International Congress on Engineered Material Platforms for Novel Wave Phenomena, Metamaterials 2017, 109–111., 2017.
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Shaping Microwave Fields Using Nonlinear Unsolicited Feedback: Application to Enhance Energy Harvesting.
Del Hougne, P., M. Fink, and G. Lerosey.
Physical Review Applied 8, no. 6 (2017).
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Acoustic double negativity induced by position correlations within a disordered set of monopolar resonators.
Lanoy, M., J. H. Page, G. Lerosey, F. Lemoult, A. Tourin, and V. Leroy.
Physical Review B 96, no. 22 (2017).
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Multiple scattering limit in optical microscopy.
Badon, A., A. C. Boccara, G. Lerosey, M. Fink, and A. Aubry.
Optics Express 25, no. 23 (2017): 28914–28934.
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Crystalline Soda Can Metamaterial exhibiting Graphene-like Dispersion at subwavelength scale.
Yves, S., F. Lemoult, M. Fink, and G. Lerosey.
Scientific Reports 7, no. 1 (2017).
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Slow waves in locally resonant metamaterials line defect waveguides.
Kaina, N., A. Causier, Y. Bourlier, M. Fink, T. Berthelot, and G. Lerosey.
Scientific Reports 7, no. 1 (2017).
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Subwavelength focusing and imaging from the far field using time reversal in subwavelength scaled resonant media.
Lemoult, F., M. Dupre, M. Fink, and G. Lerosey.
In International Conference on Transparent Optical Networks., 2017.
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Topological acoustic polaritons: Robust sound manipulation at the subwavelength scale.
Yves, S., R. Fleury, F. Lemoult, M. Fink, and G. Lerosey.
New Journal of Physics 19, no. 7 (2017).
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Crystalline metamaterials for topological properties at subwavelength scales.
Yves, S., R. Fleury, T. Berthelot, M. Fink, F. Lemoult, and G. Lerosey.
Nature Communications 8 (2017).
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Smart optical coherence tomography for ultra-deep imaging through highly scattering media.
Badon, A., D. Li, G. Lerosey, A. C. Boccara, M. Fink, and A. Aubry.
Science Advances 2, no. 11 (2016).
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Spatio-temporal imaging of light transport in highly scattering media under white light illumination.
Badon, A., D. Li, G. Lerosey, A. C. Boccara, M. Fink, and A. Aubry.
Optica 3, no. 11 (2016): 1160–1166.
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Spatio-temporal imaging of light transport in strongly scattering media.
Badon, A., D. Li, G. Lerosey, C. Boccara, M. Fink, and A. Aubry.
In 2016 URSI International Symposium on Electromagnetic Theory, EMTS 2016, 272–275., 2016.
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Intensity-only measurement of partially uncontrollable transmission matrix: demonstration with wave-field shaping in a microwave cavity.
Del Hougne, P., B. Rajaei, L. Daudet, and G. Lerosey.
Optics Express 24, no. 16 (2016): 18631–18641.
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Spatiotemporal Wave Front Shaping in a Microwave Cavity.
Del Hougne, P., F. Lemoult, M. Fink, and G. Lerosey.
Physical Review Letters 117, no. 13 (2016).
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Soda cans metamaterial: A subwavelength-scaled phononic crystal.
Lemoult, F., N. Kaina, M. Fink, and G. Lerosey.
Crystals 6, no. 7 (2016).
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Using subwavelength diffraction gratings to design open microwave cavities.
Dupre, M., M. Fink, and G. Lerosey.
In 2013 7th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2013, 133–135., 2013.
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Time reversal focusing and the diffraction limit.
Fink, M., J. De Rosny, G. Lerosey, and A. Tourin.
In Proceedings of the International School of Physics “Enrico Fermi”, 155–177. Vol. 173., 2011.
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Exploiting spatiotemporal degrees of freedom for far-field subwavelength focusing using time reversal in fractals.
Dupré, M., F. Lemoult, M. Fink, and G. Lerosey.
Physical Review B – Condensed Matter and Materials Physics 93, no. 18 (2016).
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Negative refractive index and acoustic superlens from multiple scattering in single negative metamaterials.
Kaina, N., F. Lemoult, M. Fink, and G. Lerosey.
Nature 525, no. 7567 (2015): 77–81.
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Symmetry issues in the hybridization of multi-mode waves with resonators: An example with Lamb waves metamaterial.
Rupin, M., P. Roux, G. Lerosey, and F. Lemoult.
Scientific Reports 5 (2015).
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Wave-Field Shaping in Cavities: Waves Trapped in a Box with Controllable Boundaries.
Dupré, M., P. Del Hougne, M. Fink, F. Lemoult, and G. Lerosey.
Physical Review Letters 115 (2015): 017701.
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Optical detection and imaging in complex media: How the memory effect can help overcome multiple scattering.
Badon, A., D. Li, G. Lerosey, A. C. Boccara, M. Fink, and A. Aubry.
In CLEO: QELS – Fundamental Science, CLEO_QELS 2015, 1551p., 2015.
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Overcoming multiple scattering for detection and imaging in strongly scattering media.
Badon, A., D. Li, G. Lerosey, C. Boccara, M. Fink, and A. Aubry.
In Adaptive Optics: Analysis, Methods and Systems, AO 2015, 289., 2015.
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Retrieving time-dependent Green's functions in optics with low-coherence interferometry.
Badon, A., G. Lerosey, A. C. Boccara, M. Fink, and A. Aubry.
In CLEO: QELS – Fundamental Science, CLEO_QELS 2015, 1551p., 2015.
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Image transmission through a scattering medium: Inverse problem and sparsity-based imaging.
Gigan, S., S. M. Popoff, A. Liutkus, D. Martina, O. Katz, G. Chardon, R. Carminati, G. Lerosey, M. A. Fink., A. C. Boccara et al.
In 2014 13th Workshop on Information Optics, WIO 2014., 2014.
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Retrieving time-dependent green's functions in optics with low-coherence interferometry.
Badon, A., G. Lerosey, A. C. Boccara, M. Fink, and A. Aubry.
Physical Review Letters 114, no. 2 (2015).
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Time-driven superoscillations with negative refraction.
Dubois, M. A., E. Bossy, S. Enoch, S. Guenneau, G. Lerosey, and P. Sebbah.
Physical Review Letters 114, no. 1 (2015).
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Shaping complex microwave fields in reverberating media with binary tunable metasurfaces.
Kaina, N., M. Dupre, G. Lerosey, and M. Fink.
Scientific reports 4 (2014): 6693.
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Experimental Demonstration of Ordered and Disordered Multiresonant Metamaterials for Lamb Waves.
Rupin, M., F. Lemoult, G. Lerosey, and P. Roux.
Physical Review Letters 112, no. 23 (2014).
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Imaging with nature: compressive imaging using a multiply scattering medium.
Liutkus, A., D. Martina, S. Popoff, G. Chardon, O. Katz, G. Lerosey, S. Gigan, L. Daudet, and I. Carron.
Scientific reports 4 (2014): 5552.
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Using Subwavelength Diffraction Gratings to Design Open Electromagnetic Cavities.
Dupre, M., M. Fink, and G. Lerosey.
Physical Review Letters 112, no. 4 (2014).
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Composite media mixing Bragg and local resonances for highly attenuating and broad bandgaps.
Kaina, N., M. Fink, and G. Lerosey.
Scientific Reports 3 (2013).
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Ultra small mode volume defect cavities in spatially ordered and disordered metamaterials.
Kaina, N., F. Lemoult, M. Fink, and G. Lerosey.
Applied Physics Letters 102, no. 14 (2013).
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Acousto-optic imaging: Merging the best of two worlds.
Lerosey, G., and M. Fink.
Nature Photonics 7, no. 4 (2013): 265–267.
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Wave propagation control at the deep subwavelength scale in metamaterials.
Lemoult, F., N. Kaina, M. Fink, and G. Lerosey.
Nature Physics 9, no. 1 (2013): 55–60.
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Exploiting the time-reversal operator for adaptive optics, selective focusing and scattering pattern analysis.
Popoff, S. M., A. Aubry, G. Lerosey, M. Fink, A. C. Boccara, and S. Gigan.
In 2012 Conference on Lasers and Electro-Optics, CLEO 2012., 2012.
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Dispersion in media containing resonant inclusions: Where does it come from?
Lemoult, F., M. Fink, and G. Lerosey.
In 2012 Conference on Lasers and Electro-Optics, CLEO 2012., 2012.
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Compact MIMO antenna arrays using metamaterial hybridization band gaps.
Lerosey, G., C. Leray, F. Lemoult, J. De Rosny, and A. Tourin.
In IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), 774–777., 2012.
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Far field subwavelength imaging of magnetic patterns.
Ourir, A., G. Lerosey, F. Lemoult, M. Fink, and J. De Rosny.
Applied Physics Letters 101, no. 11 (2012).
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A polychromatic approach to far-field superlensing at visible wavelengths.
Lemoult, F., M. Fink, and G. Lerosey.
Nature Communications 3 (2012).
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Hybridization band gap based smart antennas: Deep subwavelength yet directional and strongly decoupled MIMO antennas.
Lerosey, G., C. Leray, F. Lemoult, J. De Rosny, A. Tourin, and M. Fink.
In Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012, 2697–2701., 2012.
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Controlling waves in space and time for imaging and focusing in complex media.
Mosk, A. P., A. Lagendijk, G. Lerosey, and M. Fink.
Nature Photonics 6, no. 5 (2012): 283–292.
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Exploiting the time-reversal operator for adaptive optics, selective focusing, and scattering pattern analysis.
Popoff, S. M., A. Aubry, G. Lerosey, M. Fink, A. C. Boccara, and S. Gigan.
Physical Review Letters 107, no. 26 (2011).
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Controlling light through optical disordered media: Transmission matrix approach.
Popoff, S. M., G. Lerosey, M. Fink, A. C. Boccara, and S. Gigan.
New Journal of Physics 13 (2011).
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Time reversal in subwavelength-scaled resonant media: Beating the diffraction limit.
Lemoult, F., A. Ourir, J. De Rosny, A. Tourin, M. Fink, and G. Lerosey.
International Journal of Microwave Science and Technology (2011).
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Revisiting the wire medium: An ideal resonant metalens.
Lemoult, F., M. Fink, and G. Lerosey.
Waves in Random and Complex Media 21, no. 4 (2011): 591–613.
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Far-field sub-wavelength imaging and focusing using a wire medium based resonant metalens.
Lemoult, F., M. Fink, and G. Lerosey.
Waves in Random and Complex Media 21, no. 4 (2011): 614–627.
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Transmission matrix in optics: Taking advantage of transmission channels for image transmission in disordered materials.
Popoff, S. M., G. Lerosey, R. Carminati, M. Fink, A. C. Boccara, and S. Gigan.
In 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011., 2011.
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Acoustic resonators for far-field control of sound on a subwavelength scale.
Lemoult, F., M. Fink, and G. Lerosey.
Physical Review Letters 107, no. 6 (2011).
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Image transmission through an opaque material.
Popoff, S., G. Lerosey, M. Fink, A. C. Boccara, and S. Gigan.
Nature Communications 1, no. 6 (2010).
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Measuring and exploiting the transmission matrix in optics.
Popoff, S. M., G. Lerosey, R. Carminati, M. Fink, A. C. Boceara, and S. Gigan.
In Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference: 2010 Laser Science to Photonic Applications, CLEO/QELS 2010., 2010.
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Theory of electromagnetic time-reversal mirrors.
De Rosny, J., G. Lerosey, and M. Fink.
IEEE Transactions on Antennas and Propagation 58, no. 10 (2010): 3139–3149.
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Resonant metalenses for breaking the diffraction barrier.
Lemoult, F., G. Lerosey, J. De Rosny, and M. Fink.
Physical Review Letters 104, no. 20 (2010).
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Experimental validation of time reversal ultra wide-band communication system for high data rates.
Naqvi, I. H., G. E. Zein, G. Lerosey, J. De Rosny, P. Besnier, A. Tourin, and M. Fink.
IET Microwaves, Antennas and Propagation 4, no. 5 (2010): 643–650.
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Nano-Optics: Yagi-Uda antenna shines bright.
Lerosey, G.
Nature Photonics 4, no. 5 (2010): 267–268.
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Nano-Optics: Yagi-Uda antenna shines bright.
Lerosey, G.
Nature Photonics (2010).
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Measuring the transmission matrix in optics: An approach to the study and control of light propagation in disordered media.
Popoff, S. M., G. Lerosey, R. Carminati, M. Fink, A. C. Boccara, and S. Gigan.
Physical Review Letters 104, no. 10 (2010).
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Manipulating Spatiotemporal Degrees of Freedom of Waves in Random Media.
Lemoult, F., G. Lerosey, J. De Rosny, and M. Fink.
Physical Review Letters 103, no. 17 (2009).
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Time-reversed waves and super-resolution.
Fink, M., J. de Rosny, G. Lerosey, and A. Tourin.
Comptes Rendus Physique 10, no. 5 (2009): 447–463.
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Subwavelength dynamic focusing in plasmonic nanostructures using time reversal.
Bartal, G., G. Lerosey, and X. Zhang.
Physical Review B – Condensed Matter and Materials Physics 79, no. 20 (2009).
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Controlling the phase and amplitude of plasmon sources at a subwavelength scale.
Lerosey, G., D. F. P. Pile, P. Mathieu, G. Bartel, and X. Zheng.
Nano Letters 9, no. 1 (2009): 327–331.
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Focusing beyond the diffraction limit with far-field time reversal.
Lerosey, G., J. De Rosny, A. Tourin, and M. Fink.
Science 315, no. 5815 (2007): 1120–1122.
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Time reversal telecommunications in complex environments.
Tourin, A., G. Lerosey, J. de Rosny, A. Derode, and M. Fink.
Comptes Rendus Physique 7, no. 7 (2006): 816–822.
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Time reversal of wideband microwaves.
Lerosey, G., J. De Rosny, A. Tourin, A. Derode, and M. Fink.
Applied Physics Letters 88, no. 15 (2006).
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Time reversal of electromagnetic waves and telecommunication.
Lerosey, G., J. De Rosny, A. Tourin, A. Derode, G. Montaldo, and M. Fink.
Radio Science 40, no. 6 (2005).
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Telecommunication in a disordered environment with iterative time reversal.
Montaldo, G., G. Lerosey, A. Derode, A. Tourin, J. de Rosny, and M. Fink.
Waves Random Media 14, no. 3 (2004): 287–302.
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Time reversal of electromagnetic waves.
Lerosey, G., J. De Rosny, A. Tourin, A. Derode, G. Montaldo, and M. Fink.
Physical Review Letters 92, no. 19 (2004): 193904–1.
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