Whispering gallery modes from CVD diamond spherical-like particles

Grudinkin, S. A.; Perova, Tatiana S.; Moore, Robert A.; Rakovich, Yury P.; Golubev, V. G.; Feoktistov, N. A.

doi:10.1016/j.optmat.2006.02.019

Cited by 3 publications

(4 citation statements)

References 12 publications

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“…The modification of a single diamond particle has been shown to change the excited state lifetime of an embedded nitrogen-vacancy color center . High-order Mie resonances of microsized diamonds have been experimentally demonstrated to modify the fluorescence emission spectrum . However, the dependence of the color center emission rate on the hosting particle size has not been directly measured in the range of excitation of Mie resonances.…”

Section: Introductionmentioning

confidence: 99%

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Spontaneous Light Emission Assisted by Mie Resonances in Diamond Nanoparticles

et al. 2021

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Spontaneous light emission is known to be affected by the local density of states and enhanced when coupled to a resonant cavity. Here, we report on an experimental study of siliconvacancy (SiV) color center fluorescence and spontaneous Raman scattering from subwavelength diamond particles supporting loworder Mie resonances in the visible range. For the first time to our knowledge, we have measured the size dependences of the SiV fluorescence emission rate and the Raman scattering intensity from individual diamond particles in the range from 200 to 450 nm. The obtained dependences reveal a sequence of peaks, which we explicitly associate with specific multipole resonances. The results are in agreement with our theoretical analysis and highlight the potential of intrinsic optical resonances for developing nanodiamond-based lasers and single-photon sources.

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Section: Introductionmentioning

confidence: 99%

“…54 High-order Mie resonances of microsized diamonds have been experimentally demonstrated to modify the fluorescence emission spectrum. 55 However, the dependence of the color center emission rate on the hosting particle size has not been directly measured in the range of excitation of Mie resonances.…”

Section: ■ Introductionmentioning

confidence: 99%

Spontaneous Light Emission Assisted by Mie Resonances in Diamond Nanoparticles

et al. 2021

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“…The availability of latex spheres, with specific, well-controlled diameters on the scale of the wavelength of incident light, has spurred many applications in microtechnology, nanotechnology, and plasmonics. , Tiny spheres are short-focal-length lensing elements that can be coated with metal to produce subwavelength plasmonic structures. , They exhibit resonances associated with multiple reflections within the sphere, such as whispering gallery modes, , and have been used as microlasers . Placing an individual latex microsphere into a metal microchannel affects the infrared (IR) spectral properties of both the metal film and the microsphere.…”

Section: Introductionmentioning

confidence: 99%

“…1,2 Tiny spheres are short-focal-length lensing elements that can be coated with metal to produce subwavelength plasmonic structures. 3,4 They exhibit resonances associated with multiple reflections within the sphere, such as whispering gallery modes, 2,5 and have been used as microlasers. 6 Placing an individual latex microsphere into a metal microchannel affects the infrared (IR) spectral properties of both the metal film and the microsphere.…”

Section: Introductionmentioning

confidence: 99%

Infrared Sensitivity of Plasmonic Metal Films with Hole Arrays to Microspheres In and Out of the Holes

et al. 2009

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Both experiments and finite difference time domain (FDTD) calculations show that infrared (IR) absorption spectroscopy and IR transmission resonances of metal films with arrays of subwavelength holes (meshes) are more sensitive to material in the holes of the mesh than to material on the front or back surfaces of the mesh. IR extinction spectra of isolated, individual latex (polystyrene) spheres inside or outside of a hole on plasmonic Ni mesh are compared to similar isolated microspheres on a ZnSe substrate. Although vibrational spectra of single microspheres on ZnSe are dominated by scattering, vibrational spectra of microspheres in microholes of metal mesh are dominated by absorption. The IR absorption spectrum of a latex microsphere with mesh is much stronger when the microsphere is inside a mesh hole rather than on the front or back surface, which pertains to the nature of spectroscopic enhancements on the plasmonic mesh. These results are supported and enhanced by FDTD simulations showing changes in the primary infrared transmission resonance of the mesh when latex spheres are placed in different positions. The simulations demonstrate how interaction with a plasmonic resonance changes the intensity and line shape of a vibration in the dielectric material.

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