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Related papers: Far-field Super-resolution Imaging with Dual-Dye-D…

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Highly-doped holmium fibers have been prepared using modified chemical vapor deposition in combination with nanoparticle-doping method. Within a series of various Al2O3 and Ho3+ concentrations, relations between fibers composition and their…

Interfaces of dye molecules and two-dimensional transition metal dichalcogenides (TMDCs) combine strong molecular dipole excitations with high carrier mobilities in semiconductors. F\"orster type energy transfer is one key mechanism for the…

Mesoscale and Nanoscale Physics · Physics 2023-01-09 Manuel Katzer , Sviatoslav Kovalchuk , Kyrylo Greben , Kirill I. Bolotin , Malte Selig , Andreas Knorr

Two-color multiphoton emission from polycrystalline tungsten nanotips has been demonstrated using two-color laser fields. The two-color photoemission is assisted by a three-photon multicolor quantum channel, which leads to a twofold…

Quantum Physics · Physics 2021-05-18 Wayne Cheng-Wei Huang , Maria Becker , Joshua Beck , Herman Batelaan

With the advent of microsphere assisted microscopy in 2011, this technique emerged as a simple and easy way to obtain optical super-resolution. Although the possible mechanisms of imaging by microspheres are debated in the literature, most…

Optics · Physics 2015-08-27 Navid Farahi

Semiconductor nanoparticles (quantum dots) were studied in the context of liquid scintillator development for upcoming neutrino experiments. The unique optical and chemical properties of quantum dots are particularly promising for the use…

Instrumentation and Detectors · Physics 2015-06-16 C. Aberle , J. J. Li , S. Weiss , L. Winslow

Fluorophores emitting in the NIR-IIb wavelength range (1.5 micron - 1.7 micron) show great potential for bioimaging due to their large tissue penetration. However, current fluorophores suffer from poor emission with quantum yields ~2% in…

Materials Science · Physics 2023-01-26 Ananth Kamath , Richard D. Schaller , Philippe Guyot-Sionnest

In vivo fluorescence imaging in the second near-infrared window (1.0-1.7 microns) can afford deep tissue penetration and high spatial resolution, owing to the reduced scattering of long-wavelength photons. Here, we synthesize a series of…

Dual-functional nanoparticles, with the property of aggregation-induced emission and the capability of reactive oxygen species, were used to achieve passive/active targeting of tumor. Good contrast in in vivo imaging and obvious therapeutic…

Tissues and Organs · Quantitative Biology 2017-08-31 Xianhe Sun , Abudureheman zebibula , Xiaobiao Dong , Gonghui Li , Guanxin Zhang , Deqing Zhang , Jun Qian , Sailing He

Optical sensing schemes that rely on two-photon interference provide a powerful platform for precision metrology, although they are inherently constrained by a trade-off between dynamic range and measurement precision. To overcome this…

This letter presents a theoretical and experimental study on the viability of obtaining three dimensional super-resolution (i.e. resolution overcoming the diffraction limit for all directions in space) by means of metamaterial slab lenses.…

Optics · Physics 2009-11-11 F. Mesa , R. Marques , M. Freire , J. D. Baena

The authors report on a room-temperature nanoimprinted, DNA-based distributed feedback (DFB) laser operating at 605 nm. The laser is made of a pure DNA host matrix doped with gain dyes. At high excitation densities, the emission of the…

A novel photonic thermal diode concept operating in the near field and capitalizing on the temperature-dependence of coupled surface polariton modes in nanostructures is proposed. The diode concept utilizes terminals made of the same…

Optics · Physics 2017-10-24 Lei Tang , Mathieu Francoeur

In this paper, we demonstrate far-field acoustic superresolution using shaped acoustic vortices. Compared with previously proposed near-field methods of acoustic superresolution, in this work we describe how far-field superresolution can be…

We fabricated thin-films made from polydimethylsiloxane (PDMS) with embedded high-index (n~1.9-2.2) microspheres for super-resolution imaging applications. To control the position of microspheres, such films can be translated along the…

Nanoscale control and observation of photophysical processes in semiconductors is critical for basic understanding and applications from optoelectronics to quantum information processing. In particular, there are open questions and…

Mesoscale and Nanoscale Physics · Physics 2023-12-01 Hyowon Moon , Lukas Mennel , Chitraleema Chakraborty , Cheng Peng , Jawaher Almutlaq , Takashi Taniguchi , Kenji Watanabe , Dirk Englund

In digital photography, two image restoration tasks have been studied extensively and resolved independently: demosaicing and super-resolution. Both these tasks are related to resolution limitations of the camera. Performing…

Computer Vision and Pattern Recognition · Computer Science 2018-02-20 Ruofan Zhou , Radhakrishna Achanta , Sabine Süsstrunk

Estimating the depth of omnidirectional images is more challenging than that of normal field-of-view (NFoV) images because the varying distortion can significantly twist an object's shape. The existing methods suffer from troublesome…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Zhijie Shen , Chunyu Lin , Lang Nie , Kang Liao , Yao zhao

Nanophotonics offers a promising range of applications spanning from the development of efficient solar cells to quantum communications and biosensing. However, the ability to efficiently couple fluorescent emitters with nanostructured…

Superradiance, first proposed by Dicke in 1954, is a highly efficient quantum light source that differs from conventional spontaneous emission. Unlike typical spontaneous emission, where intensity scales linearly with the number of electric…

Quantum Physics · Physics 2025-07-10 Jaewon Lee , Sung Hun Park , Jangwon Kim , Kyung Hun Rho , Hoyoung Lee , Soyeon Kim , Seungwoo Lee