Dark Mode Light Mode
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.
Join us on a journey where chemistry meets creativity, and the wonders of science unfold. Quench your intellectual thirst with thought-provoking articles that transcend the boundaries of conventional knowledge.

Observation of Floquet rotational super-radiance

Observation of Floquet rotational super-radiance Observation of Floquet rotational super-radiance


  • Galiffi, E. et al. Photonics of time-varying media. Adv. Photonics 4, 014002 (2022).

  • Engheta, N. Four-dimensional optics using time-varying metamaterials. Science 379, 1190–1191 (2023).

    Article 
    ADS 
    MathSciNet 
    CAS 
    PubMed 

    Google Scholar
     

  • Jaffray, W. et al. Spatio-spectral optical fission in time-varying subwavelength layers. Nat. Photon. 19, 558–566 (2025).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Konforty, N. et al. Second harmonic generation and nonlinear frequency conversion in photonic time-crystals. Light Sci. Appl. 14, 152 (2025).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Ren, Y. et al. Observation of momentum-gap topology of light at temporal interfaces in a time-synthetic lattice. Nat. Commun. 16, 707 (2025).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Ozlu, M. G., Mkhitaryan, V., Fruhling, C. B., Boltasseva, A. & Shalaev, V. M. Floquet engineering of polaritonic amplification in dispersive photonic time crystals. Phys. Rev. Res. 7, 023214 (2025).

    Article 
    CAS 

    Google Scholar
     

  • Moussa, H. et al. Observation of temporal reflection and broadband frequency translation at photonic time interfaces. Nat. Phys. 19, 863–868 (2023).

    Article 
    CAS 

    Google Scholar
     

  • Yu, Z. & Fan, S. Complete optical isolation created by indirect interband photonic transitions. Nat. Photon. 3, 91–94 (2009).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Estep, N. A., Sounas, D. L., Soric, J. & Alù, A. Magnetic-free non-reciprocity and isolation based on parametrically modulated coupled-resonator loops. Nat. Phys. 10, 923–927 (2014).

    Article 
    CAS 

    Google Scholar
     

  • Harwood, A. C. et al. Space-time optical diffraction from synthetic motion. Nat. Commun. 16, 5147 (2025).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Penrose, R. Gravitational collapse: the role of general relativity. Riv. Nuovo Cimento 1, 252–276 (1969).


    Google Scholar
     

  • Penrose, R. & Floyd, R. M. Extraction of rotational energy from a black hole. Nat. Phys. Sci. 229, 177–179 (1971).

    Article 
    ADS 

    Google Scholar
     

  • Bekenstein, J. D. Black holes and entropy. Phys. Rev. D 7, 2333–2346 (1973).

    Article 
    ADS 
    MathSciNet 

    Google Scholar
     

  • Hawking, S. W. Particle creation by black holes. Commun. Math. Phys. 43, 199–220 (1975).

    Article 
    ADS 
    MathSciNet 

    Google Scholar
     

  • Zel’dovich, Ya. B. Generation of waves by a rotating body. ZhETF Pis. Red. 14, 270–272 (1971).

    ADS 

    Google Scholar
     

  • Zel’dovich, Ya. B., Rozhanskij, L. V. & Starobinskii, A. A. Rotating bodies and electrodynamics in a rotating reference frame. Radiofizika 29, 1008–1016 (1986).

    ADS 
    MathSciNet 

    Google Scholar
     

  • Zel’dovich, Ya. B. Amplification of cylindrical electromagnetic waves reflected from a rotating body. Sov. Phys. JETP 35, 1085–1087 (1972).

    ADS 

    Google Scholar
     

  • Torres, T. et al. Rotational superradiant scattering in a vortex flow. Nat. Phys. 13, 833–836 (2017).

    Article 
    CAS 

    Google Scholar
     

  • Cromb, M. et al. Amplification of waves from a rotating body. Nat. Phys. 16, 1069–1073 (2020).

    Article 
    CAS 

    Google Scholar
     

  • Braidotti, M. C. et al. Amplification of electromagnetic fields by a rotating body. Nat. Commun. 15, 5453 (2024).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Cromb, M., Braidotti, M. C., Vinante, A., Faccio, D. & Ulbricht, H. Creation of a black hole bomb instability in an electromagnetic system. Sci. Adv. 11, eadz4595 (2025).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Fante, R. Transmission of electromagnetic waves into time-varying media. IEEE Trans. Antennas Propag. 19, 417–424 (1971).

    Article 
    ADS 

    Google Scholar
     

  • Wang, X. et al. Expanding momentum bandgaps in photonic time crystals through resonances. Nat. Photon. 19, 149–155 (2025).

    Article 
    ADS 

    Google Scholar
     

  • Feis, J., Weidemann, S., Sheppard, T., Price, H. M. & Szameit, A. Space-time-topological events in photonic quantum walks. Nat. Photon. 19, 518–525 (2025).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Feinberg, J., Fernandes, D. E., Shapiro, B. & Silveirinha, M. G. Plasmonic time crystals. Phys. Rev. Lett. 134, 183801 (2025).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Nasari, H. et al. Observation of chiral state transfer without encircling an exceptional point. Nature 605, 256–261 (2022).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Shaltout, A. M., Shalaev, V. M. & Brongersma, M. L. Spatiotemporal light control with active metasurfaces. Science 364, eaat3100 (2019).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Wang, X. et al. Metasurface-based realization of photonic time crystals. Sci. Adv. 9, eadg7541 (2023).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Park, J. et al. Spontaneous emission decay and excitation in photonic time crystals. Phys. Rev. Lett. 135, 133801 (2025).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Pacheco-Peña, V., Fink, M. & Engheta, N. Temporal chirp, temporal lensing, and temporal routing via space-time interfaces. Phys. Rev. B 111, L100306 (2025).

    Article 
    ADS 

    Google Scholar
     

  • Liberal, I. & Manjavacas, A. Synthetic crystal rotation with spacetime metamaterials. Phys. Rev. Lett. 136, 146903 (2026).

  • Sounas, D. L., Caloz, C. & Alù, A. Giant non-reciprocity at the subwavelength scale using angular momentum-biased metamaterials. Nat. Commun. 4, 2407 (2013).

    Article 
    ADS 
    PubMed 

    Google Scholar
     

  • Sounas, D. L. & Alù, A. Non-reciprocal photonics based on time modulation. Nat. Photon. 11, 774–783 (2017).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Cassedy, E. S. & Oliner, A. A. Dispersion relations in time-space periodic media: Part I—Stable interactions. Proc. IEEE 51, 1342–1359 (1963).

    Article 
    ADS 

    Google Scholar
     

  • Taravati, S., Chamanara, N. & Caloz, C. Nonreciprocal electromagnetic scattering from a periodically space–time modulated slab and application to a quasisonic isolator. Phys. Rev. B 96, 165144 (2017).

    Article 
    ADS 

    Google Scholar
     

  • Noether, E. Invariante Variationsprobleme. Nachr. Ges. Wiss. Gött. Math. Kl. 1918, 235–257 (1918).


    Google Scholar
     

  • Lustig, E., Sharabi, Y. & Segev, M. Topological aspects of photonic time crystals. Optica 5, 1390 (2018).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Choquet-Bruhat, Y. General Relativity and Einstein’s Equations (Oxford Univ. Press, 2009).

  • Braidotti, M. C. et al. Measurement of Penrose superradiance in a photon superfluid. Phys. Rev. Lett. 128, 013901 (2022).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Reimann, R. et al. GHz Rotation of an optically trapped nanoparticle in vacuum. Phys. Rev. Lett. 121, 033602 (2018).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Bekenstein, J. D. & Schiffer, M. The many faces of superradiance. Phys. Rev. D 58, 064014 (1998).

    Article 
    ADS 
    MathSciNet 

    Google Scholar
     

  • Yu, D. et al. Comprehensive review on developments of synthetic dimensions. Photonics Insights 4, R06 (2025).

    Article 

    Google Scholar
     

  • Gibson, G. M. et al. Reversal of orbital angular momentum arising from an extreme Doppler shift. Proc. Natl Acad. Sci. USA 115, 3800–3803 (2018).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Asgari, M. M. et al. Theory and applications of photonic time crystals: a tutorial. Adv. Opt. Photonics 16, 958–1063 (2024).

    Article 

    Google Scholar
     

  • Khurgin, J. B. Photonic time crystals and parametric amplification: similarity and distinction. ACS Photonics 11, 2150–2159 (2024).

    Article 
    CAS 

    Google Scholar
     

  • Maghrebi, M. F., Jaffe, R. L. & Kardar, M. Spontaneous emission by rotating objects: a scattering approach. Phys. Rev. Lett. 108, 230403 (2012).

    Article 
    ADS 
    PubMed 

    Google Scholar
     

  • Zhao, R., Manjavacas, A., García De Abajo, F. J. & Pendry, J. B. Rotational quantum friction. Phys. Rev. Lett. 109, 123604 (2012).

    Article 
    ADS 
    PubMed 

    Google Scholar
     

  • Oka, T. & Kitamura, S. Floquet engineering of quantum materials. Annu. Rev. Condens. Matter Phys. 10, 387–408 (2019).

    Article 
    ADS 

    Google Scholar
     

  • Duggan, R., Mann, S. A. & Alù, A. Nonreciprocal photonic topological order driven by uniform optical pumping. Phys. Rev. B 102, 100303 (2020).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • de Oliveira, M. & Ambrosio, A. Subcycle modulation of light’s orbital angular momentum via a Fourier space-time transformation. Sci. Adv. 11, eadr6678 (2025).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Lee, K. et al. Analogs of spontaneous emission and lasing in photonic time crystals. Phys. Rev. Lett. 136, 093802 (2026).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     



  • Source link

    Keep Up to Date with the Most Important News

    By pressing the Subscribe button, you confirm that you have read and are agreeing to our Privacy Policy and Terms of Use
    Add a comment Add a comment

    Leave a Reply

    Your email address will not be published. Required fields are marked *

    Previous Post
    Regenerating people–nature relationships to counter biocultural erosion in the Amazon

    Regenerating people–nature relationships to counter biocultural erosion in the Amazon

    Next Post
    Daily briefing: Mountain bongos still roam the forest

    Daily briefing: Mountain bongos still roam the forest

    Advertisement