Haut PDF Single photon emission from graphene quantum dots at room temperature
Single photon emission from graphene quantum dots at room temperature
... matter, graphene plays a central role as an emerging material for nanoe- ...Nevertheless, graphene is a semimetal, which constitutes a severe limitation for some fu- ture ...example, graphene ...
13
Single photon emission from graphene quantum dots at room temperature
... 1 Graphene being a zero-gap material, considerable efforts have been made to develop semiconductors whose structure is compatible with its hexagonal ...of graphene leads to graphene quantum ...
6
Fast exciton spin relaxation in single quantum dots
... surprising at first sight but simply stems from a quantum efficiency equal to unity for both |Xi and |Y i states: every single exciton which is photo-generated on a bright state will give rise ...
6
Storage and retrieval of THZ-bandwidth single photons using a room-temperature diamond quantum memory
... detuning from the conduction band (∼950 THz) are the key features allowing storage of THz-bandwidth ...detuning from optical resonance eliminates fluorescence noise, and the high energy of the optical ...
6
Single-molecule light emission at room temperature on a wide-band-gap semiconductor
... 2014) Room-temperature light emission from single chemisorbed perylene based molecules adsorbed on silicon carbide (SiC) is probed by scanning tunneling microscopy ...a single ...
7
Multiplexed single-photon source based on multiple quantum dots embedded within a single nanowire
... operating at 4 K. The nanowire quantum dots were pumped along the axis of the photonic nanowire waveguide through a 100× ...laser at λ = 670 nm with a pulse width of 100 ps and a repetition ...
7
Deconstructing the room-temperature emission spectra of nanocrystals using Photon-Correlation Fourier Spectroscopy
... the emission from FCS is passed through an interferometer, we can take ad- vantage of one of the unique properties of PCFS: the measurement of the energy dif- ferences between photons rather than their ...
152
Monitoring stimulated emission at the single-photon level in one-dimensional atoms
... interaction at the single- photon level is a goal of quantum optics that has been successfully achieved so far with emitters in high-quality- factor microwave [ 1 ] or optical cavities [ 2 ...
6
Room-temperature InAs/InP Quantum Dots laser operation based on heterogeneous “2.5 D” Photonic Crystal
... stands at 1490nm. The spontaneous emission background is also plotted on the L-L curve in ...peak at 1490nm, two main regimes can be ...laser emission cannot be asserted for the corresponding ...
9
Biexciton binding of Dirac fermions confined in colloidal graphene quantum dots
... biexciton emission in C168 is extremely challenging on account of the low photoluminescence quantum yield of C168 single excitons ...only from the lowest-energy single- and biexciton ...
6
Synthesis and properties of graphene quantum dots and nanomeshes
... made from graphene oxide where no antibunching was ...states at the origin of the luminescence: multidefect sites emitting in an uncorrelated ...of single photon emission ...
190
Single spin control and readout in silicon coupled quantum dots
... a single dot and have coulomb ...the room-temperature ...peak at 420mV. The lower voltage of first peak is in accordance with the room temperature threshold voltages, which are ...
127
Photon correlations on a room temperature semi-conductor single photon emitter.
... ranging from infrared to UV[6]. This is also true for semi conductor quantum dots, and the wide range covered by the possible emission energies is made accessible by the variety of ...
135
Biexciton Quantum Yield of Single Semiconductor Nanocrystals from Photon Statistics
... biexciton quantum yield has important implications for the routine use of g (2) data in PL ...dip at τ = 0, the source is said to be “antibunched”, considered the signature of a quantum ...
10
Single- and two-photon imaging of human micrometastases and disseminated tumour cells with conjugates of nanobodies and quantum dots
... h at room temperature (RT), probed for 2 h with either an anti-HER2 rabbit polyclonal antibody (pAb-HER2, Neu (C-18):sc-284, Santa Cruz Biotechnology, dilution of 1:200) or a an anti-CEA rabbit ...
13
Bright Room-Temperature Single-Photon Emission from Defects in Gallium Nitride
... By fixing the thickness of the cubic inclusion to 5 bilayers and setting the localization potential of the hole so that the latter yields a ZPL wavelength of 680 nm for the point defect in pure wurtzite GaN, our ...
14
Frequency and bandwidth conversion of single photons in a room-temperature diamond quantum memory
... full-width at half-maximum (FWHM)) and a strong write pulse (800, 5 nm FWHM) are in Raman resonance with the optical phonon band (frequency 40 ...fields from the conduction band (detuning DE950 THz) allows ...
7
Synthesis and single-photon emission properties of graphene quantum dots
... of graphene strongly inspire the scientific community at both the fundamental and applicative ...of graphene electronic properties, and notably the controlled opening of a sizable ...of ...
2
Microscopic theory of the optical properties of colloidal graphene quantum dots
... Here we present a microscopic theory of the optical properties of colloidal graphene quantum dots based on a combination of the tight-binding TB description of the pz single-electron sta[r] ...
10
Theory of biexcitons and biexciton-exciton cascade in graphene quantum dots
... constructed from the first M valence and conduction ...converge at different rates, we track the convergence of the eigenvalues instead of excitation energies from the ground ...
9