Room temperature single-photon emission and lasing for all-inorganic colloidal perovskite quantum dots

Nano Energy ◽  
2016 ◽  
Vol 28 ◽  
pp. 462-468 ◽  
Author(s):  
Xiaosheng Tang ◽  
Zhiping Hu ◽  
Weiwei Chen ◽  
Xin Xing ◽  
Zhigang Zang ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Room Temperature ◽  
Single Photon ◽  
Photon Emission ◽  
Single Photon Emission ◽  
Perovskite Quantum Dots

Room Temperature Single-Photon Emission from Individual Perovskite Quantum Dots

ACS Nano ◽  
2015 ◽  
Vol 9 (10) ◽  
pp. 10386-10393 ◽  
Author(s):  
Young-Shin Park ◽  
Shaojun Guo ◽  
Nikolay S. Makarov ◽  
Victor I. Klimov
Keyword(s):  
Quantum Dots ◽  
Room Temperature ◽  
Single Photon ◽  
Photon Emission ◽  
Single Photon Emission ◽  
Perovskite Quantum Dots

scholarly journals Coherent single-photon emission from colloidal lead halide perovskite quantum dots

Science ◽  
2019 ◽  
Vol 363 (6431) ◽  
pp. 1068-1072 ◽  
Author(s):  
Hendrik Utzat ◽  
Weiwei Sun ◽  
Alexander E. K. Kaplan ◽  
Franziska Krieg ◽  
Matthias Ginterseder ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Single Photon ◽  
Photon Emission ◽  
Building Blocks ◽  
Single Photon Emission ◽  
Starting Point ◽  
Perovskite Quantum Dots ◽  
Halide Perovskite ◽  
Colloidal Lead ◽  
Lead Halide

Chemically made colloidal semiconductor quantum dots have long been proposed as scalable and color-tunable single emitters in quantum optics, but they have typically suffered from prohibitively incoherent emission. We now demonstrate that individual colloidal lead halide perovskite quantum dots (PQDs) display highly efficient single-photon emission with optical coherence times as long as 80 picoseconds, an appreciable fraction of their 210-picosecond radiative lifetimes. These measurements suggest that PQDs should be explored as building blocks in sources of indistinguishable single photons and entangled photon pairs. Our results present a starting point for the rational design of lead halide perovskite–based quantum emitters that have fast emission, wide spectral tunability, and scalable production and that benefit from the hybrid integration with nanophotonic components that has been demonstrated for colloidal materials.

scholarly journals Ultrafast Room-Temperature Single Photon Emission from Quantum Dots Coupled to Plasmonic Nanocavities

Nano Letters ◽  
2015 ◽  
Vol 16 (1) ◽  
pp. 270-275 ◽  
Author(s):  
Thang B. Hoang ◽  
Gleb M. Akselrod ◽  
Maiken H. Mikkelsen
Keyword(s):  
Quantum Dots ◽  
Room Temperature ◽  
Single Photon ◽  
Photon Emission ◽  
Single Photon Emission

Organic–Inorganic FAPbBr3 Perovskite Quantum Dots as a Quantum Light Source: Single-Photon Emission and Blinking Behaviors

ACS Photonics ◽  
2018 ◽  
Vol 5 (12) ◽  
pp. 4937-4943 ◽  
Author(s):  
Cong Tai Trinh ◽  
Duong Nguyen Minh ◽  
Kwang Jun Ahn ◽  
Youngjong Kang ◽  
Kwang-Geol Lee
Keyword(s):  
Quantum Dots ◽  
Light Source ◽  
Single Photon ◽  
Photon Emission ◽  
Single Photon Emission ◽  
Perovskite Quantum Dots ◽  
Quantum Light Source

scholarly journals Electrical control of single-photon emission in highly charged individual colloidal quantum dots

2020 ◽  
Vol 6 (38) ◽  
pp. eabb1821
Author(s):  
Sergii Morozov ◽  
Evangelina L. Pensa ◽  
Ali Hossain Khan ◽  
Anatolii Polovitsyn ◽  
Emiliano Cortés ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Dot ◽  
Decay Rate ◽  
Room Temperature ◽  
Single Photon ◽  
Photon Emission ◽  
Fold Increase ◽  
Single Photon Emission ◽  
Time Resolved ◽  
Efficient Lasing

Electron transfer to an individual quantum dot promotes the formation of charged excitons with enhanced recombination pathways and reduced lifetimes. Excitons with only one or two extra charges have been observed and exploited for very efficient lasing or single–quantum dot light-emitting diodes. Here, by room-temperature time-resolved experiments on individual giant-shell CdSe/CdS quantum dots, we show the electrochemical formation of highly charged excitons containing more than 12 electrons and 1 hole. We report the control over intensity blinking, along with a deterministic manipulation of quantum dot photodynamics, with an observed 210-fold increase in the decay rate, accompanied by 12-fold decrease in the emission intensity, while preserving single-photon emission characteristics. These results pave the way for deterministic control over the charge state, and room-temperature decay rate engineering for colloidal quantum dot–based classical and quantum communication technologies.

Single-photon emission and multi-photon emission from single CdTeSe/ZnS quantum dots at room temperature

2022 ◽  
Author(s):  
Siyue Jin ◽  
Xingsheng Xu
Keyword(s):  
Quantum Dots ◽  
Room Temperature ◽  
Near Infrared ◽  
Single Photon ◽  
Photon Emission ◽  
Excitation Power ◽  
Single Quantum ◽  
Single Photon Emission ◽  
Infrared Wavelength ◽  
Single Quantum Dots

Abstract In this report, single-photon emission and ordered multi-photon emission from single colloidal CdTeSe/ZnS quantum dots at near-infrared wavelength were realized at room temperature. The fluorescence lifetime, blinking, and anti-bunching effect of this single quantum dots at different excitation powers were measured. The relationship between the excitation power and the emission of exciton, biexciton and multiexciton of single quantum dots at a wavelength of 800nm was obtained. The physical mechanism of photoluminescence of the single quantum dots was analyzed.

scholarly journals Single photon emission from graphene quantum dots at room temperature

2018 ◽  
Vol 9 (1) ◽  
Author(s):  
Shen Zhao ◽  
Julien Lavie ◽  
Loïc Rondin ◽  
Lucile Orcin-Chaix ◽  
Carole Diederichs ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Room Temperature ◽  
Single Photon ◽  
Photon Emission ◽  
Graphene Quantum Dots ◽  
Single Photon Emission
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