[1] K. J. Vahala. Optical microcavities. Nature, 424, 839-846(2003).

[2] B. Min et al. High-Q surface-plasmon-polariton whispering-gallery microcavity. Nature, 457, 455-458(2009).

[3] S.-H. Kwon et al. Subwavelength plasmonic lasing from a semiconductor nanodisk with silver nanopan cavity. Nano Lett., 10, 3679-3683(2010).

[4] Y. Akahane et al. High-Q photonic nanocavity in a two-dimensional photonic crystal. Nature, 425, 944-947(2003).

[5] A. Matsko, V. Ilchenko. Optical resonators with whispering-gallery modes-part I: basics. IEEE J. Sel. Top. Quantum Electron., 12, 3-14(2006).

[6] H. M. Lai et al. Effect of perturbations on the widths of narrow morphology-dependent resonances in Mie scattering. J. Opt. Soc. Am. B, 8, 1962-1973(1991).

[7] S. G. Johnson et al. Multipole-cancellation mechanism for high-Q cavities in the absence of a complete photonic band gap. Appl. Phys. Lett., 78, 3388-3390(2001).

[8] M. V. Rybin et al. High-q supercavity modes in subwavelength dielectric resonators. Phys. Rev. Lett., 119, 243901(2017).

[9] J. Von Neuman, E. Wigner. Uber merkwurdige diskrete Eigenwerte. Uber das Verhalten von Eigenwerten bei adiabatischen Prozessen. Phys. Z., 30, 467-470(1929).

[10] H. Friedrich, D. Wintgen. Interfering resonances and bound states in the continuum. Phys. Rev. A, 32, 3231-3242(1985).

[11] R. Parker. Resonance effects in wake shedding from parallel plates: some experimental observations. J. Sound Vib., 4, 62-72(1966).

[12] R. Parker. Resonance effects in wake shedding from parallel plates: calculation of resonant frequencies. J. Sound Vib., 5, 330-343(1967).

[13] A. A. Lyapina et al. Bound states in the continuum in open acoustic resonators. J. Fluid Mech., 780, 370-387(2015).

[14] D. C. Marinica, A. G. Borisov, S. V. Shabanov. Bound states in the continuum in photonics. Phys. Rev. Lett., 100, 183902(2008).

[15] E. N. Bulgakov, A. F. Sadreev. Bound states in the continuum in photonic waveguides inspired by defects. Phys. Rev. B, 78, 075105(2008).

[16] R. F. Ndangali, S. V. Shabanov. Electromagnetic bound states in the radiation continuum for periodic double arrays of subwavelength dielectric cylinders. J. Math. Phys., 51, 102901(2010).

[17] C. W. Hsu et al. Observation of trapped light within the radiation continuum. Nature, 499, 188-191(2013).

[18] F. Monticone, A. Alù. Embedded photonic eigenvalues in 3D nanostructures. Phys. Rev. Lett., 112, 213903(2014).

[19] M. Rybin, Y. Kivshar. Supercavity lasing. Nature, 541, 164-165(2017).

[20] Y. Plotnik et al. Experimental observation of optical bound states in the continuum. Phys. Rev. Lett., 107, 183901(2011).

[21] M. I. Molina, A. E. Miroshnichenko, Y. S. Kivshar. Surface bound states in the continuum. Phys. Rev. Lett., 108, 070401(2012).

[22] G. Corrielli et al. Observation of surface states with algebraic localization. Phys. Rev. Lett., 111, 220403(2013).

[23] J. Wiersig. Formation of long-lived, scarlike modes near avoided resonance crossings in optical microcavities. Phys. Rev. Lett., 97, 253901(2006).

[24] J. Unterhinninghofen, J. Wiersig, M. Hentschel. Goos-Hänchen shift and localization of optical modes in deformed microcavities. Phys. Rev. E, 78, 016201(2008).

[25] T. Lepetit, B. Kanté. Controlling multipolar radiation with symmetries for electromagnetic bound states in the continuum. Phys. Rev. B, 90, 241103(2014).

[26] T. Lepetit et al. Resonance continuum coupling in high-permittivity dielectric metamaterials. Phys. Rev. B, 82, 195307(2010).

[27] S. I. Azzam et al. Formation of bound states in the continuum in hybrid plasmonic-photonic systems. Phys. Rev. Lett., 121, 253901(2018).

[28] L. Fonda. Bound states embedded in the continuum and the formal theory of scattering. Ann. Phys., 22, 123-132(1963).

[29] C. S. Kim et al. Resonant tunneling in a quantum waveguide: effect of a finite-size attractive impurity. Phys. Rev. B, 60, 10962(1999).

[30] Z. F. Sadrieva et al. Transition from optical bound states in the continuum to leaky resonances: role of substrate and roughness. ACS Photon., 4, 723-727(2017).

[31] C. Blanchard, J.-P. Hugonin, C. Sauvan. Fano resonances in photonic crystal slabs near optical bound states in the continuum. Phys. Rev. B, 94, 155303(2016).

[32] E. N. Bulgakov, A. F. Sadreev. Propagating Bloch bound states with orbital angular momentum above the light line in the array of dielectric spheres. J. Opt. Soc. Am. A, 34, 949-952(2017).

[33] I. Liberal, N. Engheta. Near-zero refractive index photonics. Nat. Photonics, 11, 149-158(2017).

[34] M. I. Mishchenko. Light scattering by size–shape distributions of randomly oriented axially symmetric particles of a size comparable to a wavelength. Appl. Opt., 32, 4652-4666(1993).

[35] M. I. Mishchenko, L. D. Travis. T-matrix computations of light scattering by large spheroidal particles. Opt. Commun., 109, 16-21(1994).

[36] K. Zhang, D. Li. Electromagnetic Theory for Microwaves and Optoelectronics(2008).

[37] D. J. Jackson. Classical Electrodynamics(1998).

[38] A. N. Oraevsky. Whispering-gallery waves. Quantum Electron., 32, 377-400(2002).

[39] V. S. Ilchenko, A. B. Matsko. Optical resonators with whispering-gallery modes-part II: applications. IEEE J. Sel. Top. Quantum Electron., 12, 15-32(2006).

[40] L. D. Landau, E. M. Lifshitz. Quantum Mechanics: Non-Relativistic Theory(1989).

[41] M. Scully, M. Zubairy. Quantum Optics(1997).

[42] H. M. Lai et al. Time-independent perturbation for leaking electromagnetic modes in open systems with application to resonances in microdroplets. Phys. Rev. A, 41, 5187(1990).

[43] E. S. C. Ching et al. Quasinormal-mode expansion for waves in open systems. Rev. Mod. Phys., 70, 1545-1554(1998).

[44] E. A. Muljarov, W. Langbein, R. Zimmermann. Brillouin–Wigner perturbation theory in open electromagnetic systems. EPL Europhys. Lett., 92, 50010(2011).

[45] Y. B. Zeldovich. On the theory of unstable states. J. Exp. Theor. Phys., 12, 542-545(1961).

[46] L. Brillouin. Les problèmes de perturbations et les champs self-consistents. J. Phys. Radium, 3, 373-389(1932).

[47] R. M. More. Theory of decaying states. Phys. Rev. A, 4, 1782-1790(1971).

[48] M. V. Rybin et al. Mie scattering as a cascade of Fano resonances. Opt. Express, 21, 30107-30113(2013).

[49] M. V. Rybin et al. Switching from visibility to invisibility via Fano resonances: theory and experiment. Sci. Rep., 5, 8774(2015).

[50] M. I. Tribelsky, A. E. Miroshnichenko. Giant in-particle field concentration and Fano resonances at light scattering by high-refractive-index particles. Phys. Rev. A, 93, 053837(2016).

[51] X. Kong, G. Xiao. Fano resonances in core-shell particles with high permittivity covers, 1715-1719(2016).

[52] U. Fano. Effects of configuration interaction on intensities and phase shifts. Phys. Rev., 124, 1866-1878(1961).

[53] M. F. Limonov et al. Fano resonances in photonics. Nat. Photonics, 11, 543-554(2017).

[54] B. Gallinet, O. J. F. Martin. Ab initio theory of Fano resonances in plasmonic nanostructures and metamaterials. Phys. Rev. B, 83, 235427(2011).

[55] A. B. Evlyukhin et al. Optical theorem and multipole scattering of light by arbitrarily shaped nanoparticles. Phys. Rev. B, 94, 205434(2016).

[56] M. Doost, W. Langbein, E. A. Muljarov. Resonant-state expansion applied to three-dimensional open optical systems. Phys. Rev. A, 90, 013834(2014).

[57] J. S. T. Gongora, G. Favraud, A. Fratalocchi. Fundamental and high-order anapoles in all-dielectric metamaterials via Fano–Feshbach modes competition. Nanotechnology, 28, 104001(2017).

[58] W. Suh, Z. Wang, S. Fan. Temporal coupled-mode theory and the presence of non-orthogonal modes in lossless multimode cavities. IEEE J. Quantum Electron., 40, 1511-1518(2004).

[59] S. Muhlig et al. Multipole analysis of eta-atoms. Metamaterials, 5, 64-73(2011).

[60] L. Zhang et al. Photonic-crystal exciton-polaritons in monolayer semiconductors. Nat. Commun., 9, 713(2018).

[61] U. Kaatze. Complex permittivity of water as a function of frequency and temperature. J. Chem. Eng. Data, 34, 371-374(1989).

[62] B. Zhen et al. Topological nature of optical bound states in the continuum. Phys. Rev. Lett., 113, 257401(2014).

[63] A. I. Kuznetsov et al. Optically resonant dielectric nanostructures. Science, 354, aag2472(2016).

[64] D. G. Baranov et al. All-dielectric nanophotonics: the quest for better materials and fabrication techniques. Optica, 4, 814-825(2017).

[65] G. M. Larsson. Wideband measurements of the forward RCS and the extinction cross section. ACES J., 28, 1145-1152(2013).

[66] C. F. Bohren, D. R. Huffman. Absorption and Scattering of Light by Small Particles(2008).

[67] C. Larsson et al. Extinction cross section measurements, 127-129(2008).