• Anantharaman, S. B. et al. Ultrastrong light–matter coupling in two-dimensional metal–organic chalcogenolates. Nat. Photon. 19, 322–328 (2025).

    Article 
    ADS 

    Google Scholar
     

  • Pan, Z. et al. Remarkable heat conduction mediated by non-equilibrium phonon polaritons. Nature 623, 307–312 (2023).

    Article 
    ADS 

    Google Scholar
     

  • Huang, K. Lattice vibrations and optical waves in ionic crystals. Nature 167, 779–780 (1951).

    Article 
    ADS 

    Google Scholar
     

  • Weisbuch, C., Nishioka, M., Ishikawa, A. & Arakawa, Y. Observation of the coupled exciton-photon mode splitting in a semiconductor quantum microcavity. Phys. Rev. Lett. 69, 3314–3317 (1992).

    Article 
    ADS 

    Google Scholar
     

  • Franchini, C., Reticcioli, M., Setvin, M. & Diebold, U. Polarons in materials. Nat. Rev. Mater. 6, 560–586 (2021).

    Article 
    ADS 

    Google Scholar
     

  • Galiffi, E. et al. Extreme light confinement and control in low-symmetry phonon-polaritonic crystals. Nat. Rev. Mater. 9, 9–28 (2023).

    Article 
    ADS 

    Google Scholar
     

  • Ma, W. et al. In-plane anisotropic and ultra-low-loss polaritons in a natural van der Waals crystal. Nature 562, 557–562 (2018).

    Article 
    ADS 

    Google Scholar
     

  • Zhang, K. et al. Thickness-dependent polaron crossover in tellurene. Sci. Adv. 11, eads4763 (2025).

    Article 
    ADS 

    Google Scholar
     

  • Sio, W. H. & Giustino, F. Polarons in two-dimensional atomic crystals. Nat. Phys. 19, 629–636 (2023).

    Article 

    Google Scholar
     

  • Disa, A. S., Nova, T. F. & Cavalleri, A. Engineering crystal structures with light. Nat. Phys. 17, 1087–1092 (2021).

    Article 

    Google Scholar
     

  • Ilyas, B. et al. Terahertz field-induced metastable magnetization near criticality in FePS3. Nature 636, 609–614 (2024).

    Article 
    ADS 

    Google Scholar
     

  • Nova, T. F., Disa, A. S., Fechner, M. & Cavalleri, A. Metastable ferroelectricity in optically strained SrTiO3. Science 364, 1075–1079 (2019).

    Article 
    ADS 

    Google Scholar
     

  • Tan, L. B. et al. Interacting polaron-polaritons. Phys. Rev. X 10, 021011 (2020).


    Google Scholar
     

  • Sidler, M. et al. Fermi polaron–polaritons in charge-tunable atomically thin semiconductors. Nat. Phys. 13, 255–261 (2016).

    Article 

    Google Scholar
     

  • Emmanuele, R. P. A. et al. Highly nonlinear trion-polaritons in a monolayer semiconductor. Nat. Commun. 11, 3589 (2020).

    Article 
    ADS 

    Google Scholar
     

  • Datta, B. et al. Highly nonlinear dipolar exciton–polaritons in bilayer MoS2. Nat. Commun. 13, 6341 (2022).

    Article 
    ADS 

    Google Scholar
     

  • Latini, S. et al. Phonoritons as hybridized exciton–photon–phonon excitations in a monolayer h-BN optical cavity. Phys. Rev. Lett. 126, 227401 (2021).

    Article 
    ADS 

    Google Scholar
     

  • Kuznetsov, A. S., Biermann, K., Reynoso, A. A., Fainstein, A. & Santos, P. V. Microcavity phonoritons—a coherent optical-to-microwave interface. Nat. Commun. 14, 5470 (2023).

    Article 
    ADS 

    Google Scholar
     

  • Kasprzak, J. et al. Bose–Einstein condensation of exciton polaritons. Nature 443, 409–414 (2006).

    Article 
    ADS 

    Google Scholar
     

  • Song, J. et al. Room-temperature continuous-wave pumped exciton polariton condensation in a perovskite microcavity. Sci. Adv. 11, eadr1652 (2025).

    Article 

    Google Scholar
     

  • Wu, X. et al. Exciton polariton condensation from bound states in the continuum at room temperature. Nat. Commun. 15, 3345 (2024).

    Article 
    ADS 

    Google Scholar
     

  • Yablonovitch, E. Inhibited spontaneous emission in solid-state physics and electronics. Phys. Rev. Lett. 58, 2059–2062 (1987).

    Article 
    ADS 

    Google Scholar
     

  • Liang, F. et al. Multiphonon-assisted lasing beyond the fluorescence spectrum. Nat. Phys. 18, 1312–1316 (2022).

    Article 

    Google Scholar
     

  • Yu, F., Duan, X., Zhang, S., Lu, Q. & Zhao, X. Rare-earth calcium oxyborate piezoelectric crystals ReCa4O(BO3)3: growth and piezoelectric characterizations. Crystals 4, 241–261 (2014).

    Article 

    Google Scholar
     

  • Khaled, F., Loiseau, P., Aka, G. & Gheorghe, L. Rise in power of Yb:YCOB for green light generation by self-frequency doubling. Opt. Lett. 41, 3607–3610 (2016).

    Article 
    ADS 

    Google Scholar
     

  • Armstrong, J. A., Bloembergen, N., Ducuing, J. & Pershan, P. S. Interactions between light waves in a nonlinear dielectric. Phys. Rev. 127, 1918–1939 (1962).

    Article 
    ADS 

    Google Scholar
     

  • Zhu, S. N., Zhu, Y. Y. & Ming, N. B. Quasi-phase-matched third-harmonic generation in a quasi-periodic optical superlattice. Science 278, 843–846 (1997).

    Article 
    ADS 

    Google Scholar
     

  • Xie, Z. D. et al. Cavity phase matching via an optical parametric oscillator consisting of a dielectric nonlinear crystal sheet. Phys. Rev. Lett. 106, 083901 (2011).

    Article 
    ADS 

    Google Scholar
     

  • Eremeev, V., Molinares, H., Correa, L. A. & He, B. Simultaneous photon and phonon lasing from pumping optomechanical systems with a two-tone field. Adv. Quantum Technol. 8, 2400497 (2024).

    Article 

    Google Scholar
     

  • Kuang, T. et al. Nonlinear multi-frequency phonon lasers with active levitated optomechanics. Nat. Phys. 19, 414–419 (2023).

    Article 

    Google Scholar
     

  • Sung, J. et al. Room-temperature continuous-wave indirect-bandgap transition lasing in an ultra-thin WS2 disk. Nat. Photon. 16, 792–799 (2022).

    Article 
    ADS 

    Google Scholar
     

  • Liu, J. X. et al. Observation of self-frequency doubling in diode-pumped mode-locked Nd-doped La3Ga5SiO14 laser. Chin. Phys. Lett. 32, 014206 (2015).

    Article 
    ADS 

    Google Scholar
     

  • Dekker, P. et al. Widely tunable yellow-green lasers based on the self-frequency-doubling material Yb:YAB. J. Opt. Soc. Am. B 20, 706–712 (2003).

    Article 
    ADS 

    Google Scholar
     

  • Zeng, H. J. et al. 56-fs diode-pumped SESAM mode-locked Yb:YAl3(BO3)4 laser. Opt. Express 31, 10617–10624 (2023).

    Article 
    ADS 

    Google Scholar
     

  • Xiao, H. et al. Continuous-wave and passively Q-switched pulse Yb:Ca3TaGa3Si2O14 lasers at 1.0 µm. Opt. Mater. Express 12, 4183–4190 (2022).

    Article 
    ADS 

    Google Scholar
     

  • Zeng, H. et al. Diode-pumped sub-50-fs Kerr-lens mode-locked Yb:GdYCOB laser. Opt. Express 29, 13496–13503 (2021).

    Article 
    ADS 

    Google Scholar