Single molecule photon emission statistics in the slow modulation limit

2004 ◽  
Vol 121 (16) ◽  
pp. 7914 ◽  
Author(s):  
Yujun Zheng ◽  
Frank L. H. Brown
Keyword(s):  
Single Molecule ◽  
Photon Emission ◽  
Slow Modulation

ORGANIC SEMICONDUCTOR MICRO-PILLAR PROCESSED BY FOCUSED ION BEAM MILLING

2005 ◽  
Vol 03 (supp01) ◽  
pp. 223-228 ◽  
Author(s):  
WEN-CHANG HUNG ◽  
A. ADAWI ◽  
A. TAHRAOUI ◽  
A. G. CULLIS
Keyword(s):  
Quantum Dot ◽  
Single Molecule ◽  
Focused Ion Beam ◽  
Single Photon ◽  
Ion Beam ◽  
Photon Emission ◽  
Micro Machining ◽  
Single Photon Emission ◽  
Fabrication Procedure ◽  
Pillar Structure

In order to control light, different strategies have been applied by placing an optically active medium into a semiconductor resonator and certain applications such as LEDs and laser diodes have been commercialized for many years. The possibility of nanoscale optical applications has created great interesting for quantum nanostructure research. Recently, single photon emission has been an active area of quantum dot research. A quantum dot is place between distributed Bragg reflectors (DBRs) within a micro-pillar structure. In this study, we shall report on an active layer composed of an organic material instead of a semiconductor. The micro-pillar structure is fabricated by a focused ion beam (FIB) micro-machining technique. The ultimate target is to achieve a single molecule within the micro-pillar and therefore to enable single photon emission. Here, we demonstrate some results of the fabrication procedure of a 5 micron organic micro-pillar via the focused ion beam and some measurement results from this study. The JEOL 6500 dual column system equipped with both electron and ion beams enables us to observe the fabrication procedure during the milling process. Furthermore, the strategy of the FIB micro-machining method is reported as well.

Single photon emission from a single molecule

2002 ◽  
Vol 3 (4) ◽  
pp. 501-508 ◽  
Author(s):  
François Treussart ◽  
Romain Alléaume ◽  
Véronique Le Floc'h ◽  
Jean-François Roch
Keyword(s):  
Single Molecule ◽  
Single Photon ◽  
Photon Emission ◽  
Single Photon Emission

Single Photon Emission from a Dendrimer Containing Eight Perylene Diimide Chromophores

2004 ◽  
Vol 57 (12) ◽  
pp. 1169 ◽  
Author(s):  
Toby D. M. Bell ◽  
Satoshi Habuchi ◽  
Sadahiro Masuo ◽  
Ingo Österling ◽  
Klaus Müllen ◽  
...  
Keyword(s):  
Single Molecule ◽  
Laser Excitation ◽  
Single Photon ◽  
Photon Emission ◽  
Perylene Diimide ◽  
Spectroscopic Techniques ◽  
Single Photon Emission ◽  
Coincidence Measurements ◽  
Photon Source ◽  
Triplet Lifetime

A novel dendrimer containing eight perylene diimide chromophores has been synthesized and studied by ensemble and single-molecule spectroscopic techniques. Photon anti-bunching (coincidence) measurements on single molecules embedded in zeonex polymer films show that the dendrimer behaves as a deterministic (triggered) single photon source with only one fluorescence photon being emitted following pulsed laser excitation, even when more than one chromophore is excited. This behaviour is due to efficient singlet–singlet annihilation being operative in this dendrimer. Preliminary results indicate that the triplet lifetime and yield for this molecule are similar to the values for a molecule containing a single perylene diimide chromophore.

scholarly journals Electrically driven single-photon emission from an isolated single molecule

2017 ◽  
Vol 8 (1) ◽  
Author(s):  
Li Zhang ◽  
Yun-Jie Yu ◽  
Liu-Guo Chen ◽  
Yang Luo ◽  
Ben Yang ◽  
...  
Keyword(s):  
Single Molecule ◽  
Single Photon ◽  
Photon Emission ◽  
Single Photon Emission

scholarly journals Indistinguishable Photons from a Single Molecule under Pulsed Excitation

2021 ◽  
Vol 255 ◽  
pp. 06002
Author(s):  
Pietro Lombardi ◽  
Maja Colautti ◽  
Rocco Duquennoy ◽  
Ghulam Murtaza ◽  
Prosenjit Majumder ◽  
...  
Keyword(s):  
Single Molecule ◽  
Single Photon ◽  
Low Cost ◽  
Photon Emission ◽  
Light Sources ◽  
Single Photons ◽  
Quantum Communications ◽  
Ideal Quantum ◽  
On Chip ◽  
Key Resources

Quantum light sources are crucial for the future of quantum photonic technologies and, among them, single photons on-demand are key resources in quantum communications and information processing. Ideal quantum emitters providing indistinguishable photons in a clocked manner, negligible decoherence and spectral diffusion, and with potential for scalability are today still a major challenge. We report on photostable and indistinguishable single photon emission from dibenzoterrylene molecules isolated in anthracene nanocrystals (DBT:Ac NCs) at 3K. The visibility of two-photon interference is preserved even when they are separated more than thirty times the excited-state lifetime, or ten fluorescence cycles. One of the advantages of organic molecules is the low-cost mass production of nominally identical emitters, that also allow for on-chip integration. These aspects combined with high spectral stability and coherence make them promising for applications and future quantum technologies.

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