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Mesoporous Silica Nanoparticles in Biomedicine: Advances and Prospects
Advanced Materials, EarlyView.Mesoporous silica nanoparticles offer unique properties like high surface area, tunable pores, and functionalization. They excel in drug delivery, tissue engineering, and stimuli‐responsive therapies, enabling targeted and controlled treatments. With roles in cancer therapy and diagnostics, their clinical translation requires addressing challenges in ...
Miguel Manzano, María Vallet‐Regí
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Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics
Advanced Materials, EarlyView.The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades +7 more
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Ringing phenomenon of the fiber ring resonator
Applied Optics, 2007A resonator fiber-optic gyro (R-FOG) is a high-accuracy inertial rotation sensor based on the Sagnac effect. A fiber ring resonator is the core sensing element in the R-FOG. When the frequency of the fiber ring resonator input laser is swept linearly with time, ringing of the output resonance curve is observed.
Diqing, Ying, Huilian, Ma, Zhonghe, Jin
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Resonance splitting in gyrotropic ring resonators
Optics Letters, 2010We present the theoretical concept of an optical isolator based on resonance splitting in a silicon ring resonator covered with a magneto-optical polymer cladding. For this task, a perturbation method is derived for the modes in the cylindrical coordinate system. A polymer magneto-optical cladding causing a 0.01 amplitude of the off-diagonal element of
Dirk, Jalas +4 more
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2020
Ring Resonators: Theory and Modeling.- Materials, Fabrication, and Characterization Methods.- Building Blocks of Ring Resonator Devices.- Devices.- Whispering Gallery Mode Devices.- Outlook.
Cinzia sada, Dominik Gerhard Rabus
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Ring Resonators: Theory and Modeling.- Materials, Fabrication, and Characterization Methods.- Building Blocks of Ring Resonator Devices.- Devices.- Whispering Gallery Mode Devices.- Outlook.
Cinzia sada, Dominik Gerhard Rabus
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Resonant Frequency of Slotted Ring Resonator
30th European Microwave Conference, 2000, 2000The slotted ring resonator has some promising features for the realisation of compact microwave filters. For the first time, using the finite difference technique and conformal mapping method, the effects of geometrical parameters (i.e.: the resonator length, inner radius, gap width and wall thickness) on the resonant frequency of this resonator, are ...
Dariush Mirshekar-Syahkal +2 more
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Photonic Crystal Ring Resonators and Ring Resonator Circuits
2010We present the characteristics and applications of photonic crystal ring resonators (PCRR). Photonic crystal confinement can achieve very high cavity quality factor ring resonators. Diffraction-limited ultra-compact PCRRs are feasible due to the absence of size-dependent losses.
Weidong Zhou +2 more
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The ring-based optical Resonant Router
2006 IEEE International Conference on Communications, 2006The Resonant Router (ReR) is an integrated optics crossbar matrix based on ring resonators. Depending on the characteristics of the rings the ReR can operate as cross-connect (X-ReR) or as wavelength router (?-ReR). The analysis of the device, the spectral characteristics and the impact on a high bit rate signal are presented and discussed both on ...
MELLONI, ANDREA IVANO +5 more
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Observation of stochastic resonance in a ring laser
Annual Meeting Optical Society of America, 1988The phenomenon of stochastic resonance was introduced by Benzi et al.1 to explain the periodicity of the earth’s ice ages. The primary signature of the phenomenon is that the addition of random noise can improve the SNR of a periodically modulated system, relative to that observed with no externally injected noise.
, McNamara, , Wiesenfeld, , Roy
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Journal of the Optical Society of America B, 2008
A ring resonator composed of a plasmonic waveguide is presented. For the plasmonic waveguide, an array of silver nanorods is assumed. To determine the modes of this ring resonator, the generalized multipole technique (GMT) is used. Using this analysis, we obtain various modes of the proposed ring resonator.
Nahid Talebi +2 more
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A ring resonator composed of a plasmonic waveguide is presented. For the plasmonic waveguide, an array of silver nanorods is assumed. To determine the modes of this ring resonator, the generalized multipole technique (GMT) is used. Using this analysis, we obtain various modes of the proposed ring resonator.
Nahid Talebi +2 more
openaire +1 more source