ライフサイエンスコーパス: photon

1 pared by the heralded absorption of a single photon.

2 from the strong coupling between magnons and photons.

3 ssure generated by the momentum of impinging photons.

4 rowave quantum computer based on propagating photons.

5 interact with the aforementioned high energy photons.

6 kground and enhances the signal from emitted photons.

7 o generate large interactions between single photons.

8 ate faithful detection of pico-second single photons.

9 be dramatically enhanced by exploiting slow photons.

10 ach of which stochastically samples incoming photons.

11 wards generation of transform-limited single photons.

12 han photoreceptors which can detect a single photon (10(-18)-10(-19) J) of visible light.

13 In mammalian cells under one-photon (1P) illumination, RVF5 demonstrates high voltage

14 h application-oriented processes such as two-photon 3D patterning and data storage.

15 Finally, attractive two-photon absorbing properties further underlined the great

16 nt a physical discussion of the indirect two-photon absorption (TPA) occuring in silicon carbide with

17 near light absorption mechanisms such as two-photon absorption and photon upconversion have been empl

18 ncy achieved through operating above the two-photon absorption edge, representing one of the largest

19 he 1,550 nm wavelength resides above the two-photon absorption edge, while still possessing large non

20 recent literature on two-, three- and multi-photon absorption in CPs and MOFs is further supplemente

21 and in that it occurs under conditions where photon absorption is minimal.

22 CPs and MOFs, with a closer look at the two-photon absorption property.

23 inding, we discuss strategies for optimizing photon absorption via modulation of the structural organ

24 s, linear and nonlinear losses including two-photon absorption, and photon-generated free carriers, o

25 , the impact of dimensional reduction on two-photon absorption, which is the Kramers-Kronig conjugate

26 operties of the system, for both one and two photon absorption.

27 subject to decoherence originating from two-photon absorption.

28 hest brightness and photostability under one-photon and two-photon excitation modes, respectively.

29 g modes, such as wide-field and confocal one-photon and two-photon microscopy, to compare photochemic

30 Here we reveal a class of real-photon and virtual-photon long-range quantum electrodyna

31 nearities-which result from coupling between photons and acoustic phonons-are exceedingly weak in con

32 limit by exciting the targets with diffused photons and detecting the resulting acoustic responses,

33 spin-orbit interaction between electrons and photons and may lead to applications in opto-spintronics

34 ng our understanding of phonon coupling with photons and plasmons.

35 interactions between the angular momentum of photons and the magnetic order parameter of materials.

36 lance between absorption loss of sub-bandgap photons and thermalization loss of above-bandgap photons

37 cus on multiply-scattered, fluorescence, two-photon, and phase imaging techniques to enhance GC contr

38 multichain aggregates exhibit a decrease of photon antibunching contrast compared to single-chain ag

39 Single photons are a fundamental element of most quantum optica

40 Optical quantum states based on entangled photons are essential for solving questions in fundament

41 , there is a quantum advantage if the single photons are indistinguishable in all their degrees of fr

42 Circularly polarized photons are known to generate a directional helicity-dep

43 The 780 nm photons are measured with a silicon avalanche photodiode

44 ilicon avalanche photodiode, and the 3950 nm photons are measured with an upconversion photon detecto

45 In accordance with theory, the photons arising from spectral peaks that are suitably se

46 ii) latency distribution (time delay between photon arrival and emergence of a QB), and (iv) refracto

47 ons and thermalization loss of above-bandgap photons as demonstrated by the Shockley-Queisser detaile

48 er coupling between excitons and microcavity photons, as described in the framework of cavity quantum

49 We convert pure photons at telecom wavelengths to the visible range whil

50 tral range.The performance of silicon single-photon avalanche detectors is currently limited by the t

51 couple multimode light to an array of single-photon avalanche detectors, each of which has its own ti

52 method to improve the performance of single-photon avalanche detectors, image sensor arrays, and sil

53 This study sought to investigate external photon beam radiation for catheter-free ablation of the

54 transverse momentum correlation between two photons by detecting only one of them.

55 top-down projecting neurons, identified by 2-photon Ca(2+) imaging and activity-dependent labeling to

56 nal simulations with analysis of in vivo two-photon Ca(2+) imaging data from somatosensory cortex of

57 Using chronic two-photon Ca(2+) imaging in hippocampal area CA1 of wild-ty

58 Using two-photon Ca(2+) imaging in male rat acute brain slices of

59 Here, we have used two-photon Ca(2+) imaging to monitor the activity of mossy c

60 Here, we used two-photon Ca(2+) imaging to study visual processing in VGlu

61 Two-photon Ca(2+) imaging, triple immunofluorescent labeling

62 unocytochemistry, paired recordings, and two-photon Ca(2+) imaging, we analyzed excitatory synapses f

63 Here, we use two-photon calcium imaging and electrophysiology in head-fix

64 Neuroanatomical analysis and two-photon calcium imaging demonstrate that DALcl1 and DALcl

65 on activity and movement through in vivo two-photon calcium imaging in mice learning a lever-press ta

66 Using in vivo two-photon calcium imaging of layer 2/3 barrel cortex neuron

67 Furthermore, two-photon calcium imaging revealed that M2 ensemble activit

68 Two-photon calcium imaging reveals that a thalamic nucleus a

69 vides an effective method for volumetric two-photon calcium imaging that increases the number of neur

70 sed intrinsic signal optical imaging and two-photon calcium imaging to map visual responses in adult

71 Here we use in vivo two-photon calcium imaging to monitor the activity of dorsom

72 We then use two-photon calcium imaging to track individual cells chronic

73 his issue utilizing behavioral modeling, two-photon calcium imaging, and optogenetic inactivation in

74 Quantum correlated, highly non-degenerate photons can be used to synthesize disparate quantum node

75 ts, typically too small to operate on single photons, can be sufficiently enhanced with feedback to g

76 Nocturnal animals combat this by increasing photon catch, either optically, with large pupils, photo

77 contrast of the interference and the single-photon character of the input, and we experimentally dem

78 Here we report a technique termed two-photon chemical apoptotic targeted ablation (2Phatal) th

79 fic cell populations were evaluated by multi-photon confocal microscopy.

80 ence of triplet-quenching oxygen on PL and a photon correlation analysis of aggregate PL reveal that

81 ide-angle X-ray scattering (WAXS) with X-ray photon-correlation spectroscopy (XPCS) in the small-angl

82 a monochromatic wavelength scan at constant photon count.

83 Time-correlated single-photon counting (TCSPC) measurements were performed on A

84 of a fly photoreceptor being an 'imperfect' photon counting machine, we explain how these constraint

85 detector, a pnCCD, was operated in a single photon counting mode in order to utilize its energy disp

86 mputational analysis, time-correlated single photon counting studies, and transient absorption spectr

87 s paper, for the first time an InGaP (GaInP) photon counting X-ray photodiode has been developed and

88 been developed and shown to be suitable for photon counting X-ray spectroscopy when coupled to a low

89 digital converter for time-correlated single-photon counting.

90 A new prototype spectral photon-counting computed tomography (SPCCT) based on a m

91 Conclusion Dual-contrast spectral photon-counting CT colonography with iodine-filled lumen

92 Purpose To investigate whether photon-counting detector (PCD) technology can improve do

93 Photon counts and optical fluctuations from coumarin enc

94 s currently limited by the trade-off between photon detection efficiency and timing jitter.

95 Thick-junction devices have decent photon detection efficiency but poor timing jitter, whil

96 Here we show for the first time that a photon detector is capable of achieving shot noise limit

97 nm photons are measured with an upconversion photon detector using a similar waveguide, which attains

98 So far however, the limitations of existing photon detectors have prevented achieving shot-noise-lim

99 in SS-OCT, even when superconducting single-photon detectors were used.

100 bly was measured by photon transfer from the photon donor to the fluorophore resulting in fluorescenc

101 Here, we show that the optical 2D photon echo spectra of this complex at ambient temperatu

102 idler is observed and attributed to the high photon efficiency achieved through operating above the t

103 ns are formed from a superposition of cavity photon eigenmodes (a supermode), coupled to atomic densi

104 nhomogeneous spectral distribution and multi-photon emission are currently hindering the use of defec

105 High-purity and photostable single photon emission at room temperature, together with spect

106 capabilities of combined preclinical single photon emission computed tomography (SPECT) and X-ray co

107 and dox distribution were analyzed by single-photon emission computed tomography (SPECT)/computed tom

108 Subtraction ictal and interictal single photon emission computed tomography can demonstrate comp

109 raphy, cone beam computed tomography, single-photon emission computed tomography, hybrid methods (PET

110 vivo application of 99mTc-tilmanocept single-photon emission computed tomography/computed tomography

111 Using single-photon emission computed tomography/computed tomography

112 ion tomography/computed tomography or single photon emission computed tomography/computed tomography.

113 ous spectral distribution and reducing multi-photon emission presented open challenges.

114 We show that such two-photon emission processes can occur on nanosecond time s

115 ear myocardial perfusion imaging with single-photon emission tomography (SPECT) or positron emission

116 tum emitters that exhibit high-purity single photon emission.

117 We used single-photon-emission-computed-tomography (SPECT) in conjuncti

118 rol allows spectral tunability of hBN single photon emitters over 6 meV, and material processing shar

119 ts are an emerging class of synthetic single-photon emitters that hold vast potential for near-infrar

120 Recently, bright and photostable single photon emitters were reported from atomic defects in lay

121 of defects in layered hBN as reliable single photon emitters.

122 The photon energies corresponding to such transitions are go

123 Attosecond pulses at photon energies corresponding to the fundamental absorpt

124 20) watts per square centimetre), hard (with photon energies of 8.3 kiloelectronvolts) X-ray pulses i

125 and surface spectral functions (taken at low photon energies) reveals a time-reversal-invariant surfa

126 one or more mechanisms whereby the absorbed photon energy can be dissipated without loss of the mole

127 over an order of magnitude increase in X-ray photon energy is achieved by passing a 3 GeV electron be

128 G peak area which is enhanced when the laser photon energy is resonant with the energy separation of

129 on and characterization of 53 as pulses with photon energy near the water window.

130 temperature but correlates strongly with the photon energy used to drive the reaction, suggesting a p

131 The photon-entanglement gates of the second type are created

132 Photon excitation also increased significantly above 1.0

133 By imaging calcium dynamics with two-photon excitation microscopy, we show that LC11 responds

134 and photostability under one-photon and two-photon excitation modes, respectively.

135 Then, we introduce a dynamic two-photon excitation protocol to simultaneously determine t

136 Two-photon excited fluorescence (TPEF) imaging is a non-dest

137 n scattering (SEHRS) is the spontaneous, two-photon excited Raman scattering that occurs for molecule

138 ial-parity-symmetry of the transverse single-photon field.

139 OH) (0.9 x 10(9) - 6.5 x 10(9) M(-1) s(-1)), photon fluence-based rate constants (k') (210-2730 m(2)

140 d protocol for simultaneous dual-channel two-photon fluorescence anisotropy microscopy acquisition to

141 ors for monitoring kinase activity under two-photon fluorescence lifetime imaging microscopy (2pFLIM)

142 In this work, we employ two-photon fluorescence lifetime imaging microscopy (FLIM) t

143 II activity in spines using fast-framing two-photon fluorescence lifetime imaging.

144 monstration to integrate high-resolution two-photon fluorescence microscopy (TPM) with a 16.4 tesla M

145 functional reference atlases and in vivo two-photon fluorescence microscopy data from the same specim

146 f net CO2 assimilation at low photosynthetic photon flux density (PPFD) - is widely used to estimate

147 tting diode (LED) at 250mumol.m(-2).s(-1) of photon flux density on red pigment production by M. rube

148 rces exhibit excellent coherence but limited photon flux due poor conversion efficiency.

149 ources of these pulses often suffer from low photon flux in soft X-ray regime.

150 aman adiabatic passage to generate microwave photon Fock states in a superconducting circuit quantum

151 is required to acquire sufficient number of photons for superior image quality.

152 cilitating the "harvest" of the lower energy photons for the primary and secondary photoreactions; (i

153 cy of the transition, which is driven by two photons from a laser at 243 nanometres, is consistent wi

154 losses including two-photon absorption, and photon-generated free carriers, on the pulse evolutions

155 By performing two-photon guided whole-cell recordings from layer 2/3 excit

156 To answer these questions, we performed two-photon guided whole-cell Vm recordings from primary visu

157 violet photodissociation (UVPD) using 193 nm photons has proven to be well-suited for activation and

158 Existing techniques for correlated photons have been concentrated in the visible and near-I

159 g collective spin excitations with microwave photons have recently attracted interest for their poten

160 a quantum resource engineered combining two-photon hyperentanglement and photonic-chip technology.

161 xhibit low sensitivity when imaged under two-photon illumination.

162 By providing two-photon imaging access to cortical neuronal populations a

163 Here, we used conventional and two-photon imaging and electron microscopy to show that lyso

164 that the combination of ASAP2s and fast two-photon imaging methods enables detection of neural elect

165 a mouse model of acute lung injury with two-photon imaging of intact lung tissue.

166 Using two-photon imaging of large groups of neurons, we show that

167 Two-photon imaging of redox-sensitive GFP corroborated the f

168 Concurrently, intravital two-photon imaging revealed prompt peritubular vasodilation

169 Two-photon imaging showed that many excitatory neurons in au

170 In this study, we utilized in vivo two-photon imaging to directly monitor the acute structural

171 Using in vivo two-color two-photon imaging with genetically encoded calcium indicato

172 Under two-photon imaging, a single GAC generated rectified local d

173 By combining computational simulation, two-photon imaging, optogenetics, and dual-color uncaging of

174 a Dicke state in a solid by storing a single photon in a crystal that contains many large atomic ense

175 g in a single shot that contains only 10(5) photons in a spectral bandwidth of 50% full width at ha

176 erical results for the population of virtual photons in presence of arbitrary losses.

177 d non-biological sensing elements which emit photons in response to an analyte.

178 Interaction between photons in the waveguide and surface electrons in a Bi2S

179 Photon-induced near-field electron microscopy (PINEM) is

180 We also carefully consider the effect of photon-induced near-field electron microscopy (PINEM), f

181 ery doubtful given that first-order electron-photon interactions are forbidden in free space.

182 This work paves the way to describe matter-photon interactions from first principles and addresses

183 r signalling pathway to adaptively transduce photons into quantum bumps (QBs, or samples).

184 In the last decade, the application of 2-photon intravital microscopy as a tool to study cell int

185 pplying a new method for stable, long-term 2-photon intravital microscopy of unrestrained large arter

186 processes, which requires the momenta of the photons involved in the processes to be conserved.

187 The photon is re-emitted at a well-defined time due to an in

188 A versatile two-photon laser lithography is employed for LC cell scaffol

189 in axonal boutons imaged with time-lapse two-photon laser scanning microscopy (2PLSM).

190 Two-photon laser scanning microscopy of calcium dynamics usi

191 that is easily integrated into standard two-photon laser-scanning microscopes to generate an axially

192 behaviour, nor for any CC in the strict one-photon limit.

193 onstrate experimentally a three-qubit single-photon linear deterministic quantum gate by exploiting p

194 rimental demonstration of three-qubit single-photon, linear, deterministic quantum gates that exploit

195 dition, which are then polymerized using two-photon lithography.

196 we reveal a class of real-photon and virtual-photon long-range quantum electrodynamic interactions th

197 tangled state is demonstrated through single-photon-mediated entangling of the electrons and robust s

198 We developed an in vivo two-photon microscopic approach that allows performing dynam

199 ovel combination of 3-DISCO technique with 1-photon microscopy and epifluorescence microscopy under h

200 e, we used the combination of intravital two-photon microscopy and frequency-domain fluorescence life

201 Time-lapse two-photon microscopy in adult slices was used to determine

202 Using in vivo two-photon microscopy in mouse brain, we quantified mitochon

203 sicles, from EC synaptic terminals using two photon microscopy in slices obtained from forebrain spec

204 Two-photon microscopy revealed that exocytosis of GLP-1 is b

205 One solution to this problem is to use two-photon microscopy to target fluorescently labeled neuron

206 novel in vivo method we developed using two-photon microscopy to visualize the paravascular space (P

207 ure cells and Xenopus egg extracts using two-photon microscopy with FLIM measurements of FRET.

208 -mediated model of EAE combining in vivo two-photon microscopy with two different activation reporter

209 s wide-field and confocal one-photon and two-photon microscopy, to compare photochemical and biophysi

210 Using real-time in vivo two-photon microscopy, we quantified mitochondrial fragmenta

211 acute myeloid leukemia using intravital two-photon microscopy.

212 ctates reactivity of maleimide groups in two-photon mode.

213 beams that operates both in single- and two-photon modes.

214 Using the backscattering geometry at large photon momentum transfer maximizes the XRS signal at the

215 ique could most likely be applied to any low photon-number image irrespective of how the data is coll

216 of 7.47 under preservation of non-classical photon-number statistics.

217 neously, without the need for increasing the photon numbers with dimension.

218 tion, the process responsible for converting photons of light into usable electrical signals (quantum

219 A single-photon or classical optical pulse as the gate sets the s

220 intensity changes from single to billions of photons, outperforming man-made light sensors.

221 To improve the photon output of these molecules, we report a synthetic

222 gement, enhancing the ratio of the entangled-photon output to the Raman noise.

223 seful for the characterization of correlated photon pair sources and may lead to an experimental meas

224 that end, sources of polarization-entangled photon pair states are an important enabling technology.

225 ata analysis and a high heralding efficiency photon-pair source.

226 he degree of entanglement is maintained when photon pairs are distributed in LP 01 mode but significa

227 n LP 01 mode but significantly declines when photon pairs are distributed in LP 11 mode due to a mode

228 We find the time-bin entangled photon pairs maintain their high degree of entanglement,

229 in the visible and near-IR domains, with the photon pairs residing within one micron.

230 nvestigation on the generation of correlated photon pairs that are broadly spaced in the ultraviolet

231 hown to generate high-quality hyperentangled photon pairs via orthogonal quasi-phase-matched spontane

232 For the polarization entangled photon pairs, however, the degree of entanglement is mai

233 xcitonic transitions and emission of several photons per excitation comprise a very attractive featur

234 ar, deterministic quantum gates that exploit photon polarization and the two-dimensional spatial-pari

235 nanocomposite structures by simultaneous two-photon polymerisation and photoreduction is demonstrated

236 ian resonances we then show that the virtual photon population is only quantitatively affected by los

237 ovement in the precision of measurement, per photon probe, beyond what is achievable with an ideal co

238 light becomes important in correlated matter-photon problems.

239 A two-photon process is employed to overcome a first order for

240 he angular Schmidt spectrum of the entangled photons produced by parametric down-conversion and repor

241 ic crystals in such synthetic dimensions for photon propagation and interference.

242 time instead of the photon-recycling-induced photon propagation as the origin of their long carrier d

243 olled wavelength tuning and increased single photon purity through suitable material processing.

244 erial processing sharply improves the single photon purity.

245 The photon recycling efficiencies are revealed to be less th

246 arrier recombination lifetime instead of the photon-recycling-induced photon propagation as the origi

247 her reside within the highly dissipative two-photon regime in silicon-based optical devices, or posse

248 aveguide with a distant mirror, where guided photons represent the qubits, while the mirror allows th

249 ry currents similar to the Drosophila single photon responses.

250 Light intensities (photons s(-1) mum(-2) ) in a natural scene vary over sev

251 or engineering all-optical devices using the photon's internal degrees of freedom, which form photoni

252 ptor, this limit is set by the number of its photon sampling units (microvilli), constituting its lig

253 ing factors (limitations): (i) the number of photon sampling units in the cell structure (microvilli)

254 mental separation of the fluorophore ORF and photon scattering features in the fluorophore resonance

255 methods that exploit the fluorophore ORF and photon scattering properties.

256 previous demonstrations of on-demand single-photon sources and detectors, and hence assist in the pu

257 We create single-photon sources based on these QDs in determined micropil

258 f such emerging dual mode nanorod bundles as photon sources for next generation flat panel optical di

259 biexciton lasers and polarization-entangled photon sources.

260 As the cavity supports multiple photon spatial modes and because the light-matter coupli

261 significant as demonstrated by broadband two-photon spectroscopy.

262 hanging light propagation direction reverses photon spin and thus the direction of the photocurrent.

263 Moreover, the artificial atom visualises photon-state statistics, distinguishing coherent, one- a

264 While studying two-photon structuring applications, we observed an undescri

265 stics, distinguishing coherent, one- and two-photon superposed states with the finite (quantised) num

266 To address this issue, we made two-photon targeted patch-clamp recordings from rat TC and T

267 hat leaf Fq '/Fm ', the fraction of absorbed photons that are used for photochemistry for a light-ada

268 For photons, the OAM of electrons and ions are of the same m

269 es of toxic effects compared with historical photon therapy data.

270 ight-driven water oxidation with an incident photon to current efficiency (IPCE) of 17.1% at 440 nm.

271 lline films or molecular aggregates absorb a photon to produce a singlet exciton, spin-allowed single

272 e entire solar spectrum by redirecting solar photons to maximize FEW production from a given land are

273 ntly provide a large density of channels for photons to tunnel to with the required k-vector matching

274 The panchromatic incident photon-to-current conversion efficiency (IPCE) response

275 8 mA cm(-2) and an accordingly high incident photon-to-current efficiency of over 50 % at 400 nm were

276 The parallel tandem device shows an improved photon-to-electron response over the range between 450 a

277 5 degrees C cells possessed a less efficient photon-to-oxygen conversion rate and require a 2.5 times

278 d-mediated receptor assembly was measured by photon transfer from the photon donor to the fluorophore

279 unterpart in the quantum limit, i.e., single-photon transistor based on a linear optical effect: gian

280 uantum yield leading to Sn (3) P1 --> (1) S0 photons transition.

281 rs of magnitude faster than competing single-photon transitions, as opposed to being as much as 8-10

282 enon raises fundamental questions concerning photon transport through disordered media.

283 t the exploration of a magnetically enhanced photon-transport-based charging approach, which enables

284 s, is found to be 'transparent' to microwave photons trapped in the high-quality cavity, thereby reve

285 around 32% reduction in the total number of photons traversing an optical sample, compared to any fu

286 A waveguide-based scheme relying on photon tunneling is presented as an alternate approach,

287 hing the mode of de-excitation to be that of photon tunneling to a nearby waveguide.

288 rbon dots, nanocrystals as quantum dots, and photon up-converting particles.

289 mechanisms such as two-photon absorption and photon upconversion have been employed in the design of

290 The CdS shell increases the linear photon upconversion quantum yield (QY) from 3.5 % for Pb

291 fer a promising strategy to directly harness photon upconversion via triplet-triplet annihilation (TT

292 The absorption of a photon usually creates a singlet exciton (S1) in molecul

293 izer which is able to dramatically boost NIR photon utility and enhance singlet oxygen generation.

294 cordings from targeted spine heads under two-photon visualization.

295 ed GP wavelength, lambdap, compared with the photon wavelength, lambda0, which can be controlled by m

296 ing on previous work on quantum memories for photons, we create a Dicke state in a solid by storing a

297 ose a new method for frequency conversion of photons which is both versatile and deterministic.

298 the kinematic observables of the Higgs decay photons, which we then use to construct a strong classif

299 Photons would be used for processing, routing and com-mu

300 tering to produce a 1.4 million-fold greater photon yield than obtained using common fluorophores.

301 th low-cost solution processability and good photon yield.