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From Lounis{{etal}}{{cite|lounis00a}} | From Lounis{{etal}}{{cite|lounis00a}} | ||
− | <center><wz tip="From a single CdSe/ZnS quantum dot.">[[File:Screenshot_20231229_102454.png|400px]]</wz></center> | + | <center><wz tip="2000: From a single CdSe/ZnS quantum dot.">[[File:Screenshot_20231229_102454.png|400px]]</wz></center> |
+ | |||
+ | From Fleury{{etal}}{{cite|fleury00a}} | ||
+ | <center><wz tip="2000: from a single molecule at room temperature.">[[File:Screenshot_20240109_125540.png|400px]]</wz></center> | ||
From Kurtsiefer{{etal}}{{cite|kurtsiefer00a}} | From Kurtsiefer{{etal}}{{cite|kurtsiefer00a}} | ||
− | <center><wz tip="From a single nitrogen-vacancy center in diamond: minimum value of g⁽²⁾(0)=0.26.">[[File:kurtsiefer00a.png|400px]]</wz></center> | + | <center><wz tip="2000: From a single nitrogen-vacancy center in diamond: minimum value of g⁽²⁾(0)=0.26.">[[File:kurtsiefer00a.png|400px]]</wz></center> |
The bunching elbows are accounted here for the first time with a rate-equation model (yielding a bi-exponential curve). | The bunching elbows are accounted here for the first time with a rate-equation model (yielding a bi-exponential curve). | ||
From Michler{{etal}}{{cite|michler00b}} | From Michler{{etal}}{{cite|michler00b}} | ||
− | <center><wz tip="From a CdSe/ZnS quantum dot.">[[File:Screenshot_20231229_115002.png|400px]]</wz></center> | + | <center><wz tip="2000:From a CdSe/ZnS quantum dot.">[[File:Screenshot_20231229_115002.png|400px]]</wz></center> |
From Zwiller{{etal}}{{cite|zwiller01a}} | From Zwiller{{etal}}{{cite|zwiller01a}} | ||
− | <center><wz tip="From a single InAs/GaAs quantum dot.">[[File:Screenshot_20231229_100312.png|400px]]</wz></center> | + | <center><wz tip="2001: From a single InAs/GaAs quantum dot.">[[File:Screenshot_20231229_100312.png|400px]]</wz></center> |
From Messin{{etal}}{{cite|messin01b}} | From Messin{{etal}}{{cite|messin01b}} | ||
− | <center><wz tip="From a single-colloidal CdSe quantum dot at room temperature.">[[File:Screenshot_20231229_101845.png|400px]]</wz></center> | + | <center><wz tip="2001: From a single-colloidal CdSe quantum dot at room temperature.">[[File:Screenshot_20231229_101845.png|400px]]</wz></center> |
From Hübner{{etal}}{{cite|hubner03a}} | From Hübner{{etal}}{{cite|hubner03a}} | ||
− | <center><wz tip="From a single bichromophoric molecule.">[[File:Screenshot_20231229_102130.png|400px]]</wz></center> | + | <center><wz tip="2003: From a single bichromophoric molecule.">[[File:Screenshot_20231229_102130.png|400px]]</wz></center> |
From Ampem-Lassen{{etal}}{{cite|ampemlassen09a}} | From Ampem-Lassen{{etal}}{{cite|ampemlassen09a}} | ||
− | <center><wz tip="From a NV center in a diamond nanocrystal.">[[File:Screenshot_20231229_111058.png|600px]]</wz></center> | + | <center><wz tip="2009: From a NV center in a diamond nanocrystal.">[[File:Screenshot_20231229_111058.png|600px]]</wz></center> |
From Neu{{etal}}{{cite|neu12a}} | From Neu{{etal}}{{cite|neu12a}} | ||
− | <center><wz tip="From single single SiV centers, at three pumping powers.">[[File:Screenshot_20240109_114851.png|400px]]</wz></center> | + | <center><wz tip="2012: From single single SiV centers, at three pumping powers.">[[File:Screenshot_20240109_114851.png|400px]]</wz></center> |
From Nothaft{{etal}}{{cite|nothaft12a}} | From Nothaft{{etal}}{{cite|nothaft12a}} | ||
− | <center><wz tip="From a single molecule at room temperature.">[[File:nothaft12a.png|400px]]</wz></center> | + | <center><wz tip="2012: From a single molecule at room temperature.">[[File:nothaft12a.png|400px]]</wz></center> |
From Davanço{{etal}}{{cite|davanco14a}} | From Davanço{{etal}}{{cite|davanco14a}} | ||
− | <center><wz tip="From a blinking InAs quantum dot, over 11 magnitudes of time.">[[File:Screenshot_20231231_192955.png|400px]]</wz></center> | + | <center><wz tip="2014: From a blinking InAs quantum dot, over 11 magnitudes of time.">[[File:Screenshot_20231231_192955.png|400px]]</wz></center> |
From Berthel{{etal}}{{cite|berthel15a}} | From Berthel{{etal}}{{cite|berthel15a}} | ||
− | <center><wz tip="From a NV center in a diamond nanocrystal">[[File:berthel15a.jpg|750px]]</wz></center> | + | <center><wz tip="2015: From a NV center in a diamond nanocrystal">[[File:berthel15a.jpg|750px]]</wz></center> |
From Koperski{{etal}}{{cite|koperski18a}} | From Koperski{{etal}}{{cite|koperski18a}} | ||
− | <center><wz tip="From Boron Nitride at room temperature.">[[File:Screenshot_20231231_194404.png|300px]]</wz></center> | + | <center><wz tip="2018: From Boron Nitride at room temperature.">[[File:Screenshot_20231231_194404.png|300px]]</wz></center> |
From Wang{{etal}}{{cite|wang19a}} | From Wang{{etal}}{{cite|wang19a}} | ||
− | <center><wz tip="From a molecule. Inset of Fig. 2.">[[File:Screenshot_20231231_134450.png|300px]]</wz></center> | + | <center><wz tip="2019: From a molecule. Inset of Fig. 2.">[[File:Screenshot_20231231_134450.png|300px]]</wz></center> |
From Boll{{etal}}{{cite|boll20a}} | From Boll{{etal}}{{cite|boll20a}} | ||
− | <center><wz tip="From boron-nitride nano-flakes.">[[File:boll20a.png|600px]]</wz></center> | + | <center><wz tip="2020: From boron-nitride nano-flakes.">[[File:boll20a.png|600px]]</wz></center> |
From Nahra{{etal}}{{cite|nahra21a}} | From Nahra{{etal}}{{cite|nahra21a}} | ||
− | <center><wz tip="From Germanium vacancy centers in nanodiamond.">[[File:Screenshot_20240101_205332.png|400px]]</wz></center> | + | <center><wz tip="2021: From Germanium vacancy centers in nanodiamond.">[[File:Screenshot_20240101_205332.png|400px]]</wz></center> |
From Fiedler{{etal}}{{cite|fiedler23a}} | From Fiedler{{etal}}{{cite|fiedler23a}} | ||
− | <center><wz tip="With color centers in diamond.">[[File:Screenshot_20231231_161337.png|400px]]</wz></center> | + | <center><wz tip="2023: With color centers in diamond.">[[File:Screenshot_20231231_161337.png|400px]]</wz></center> |
The 'photon bunching at non-zero correlation times' is still attributed to a metastable (shelving) state, like in the original paper.{{cite|kurtsiefer00a}} | The 'photon bunching at non-zero correlation times' is still attributed to a metastable (shelving) state, like in the original paper.{{cite|kurtsiefer00a}} | ||
Contents |
Antibunching is the tendency of photons to repulse each other in time, i.e., to be less likely to be found together than later apart in time. Unfortunately, there have been several differing definitions, based around the idea that antibunching describes single-photons, or suppression of two-photon (or multiphoton) coincidence. In particular, various authors (ourselves included, when convenient) understand antibunching as the condition $g^{(2)}(0)\approx 0$ (or even equal to zero, or less than unity). There is no good term that I know for the latter condition (some speak of "purity", which I also don't like very much; a better term would be sub-Poissonian but that's awkward). A more accurate, widespread, agreed-upon definition of antibunching itself is:
$$g^{(2)}(0)< g^{(2)}(\tau)$$
for all $\tau$ in a neigborhood of~$\tau=0$. Note that this allows $g^{(2)}(0)$ to be larger than unity and thus to have a super-Poissonian antibunched source, just as one can have sub-Poissonian bunched ones. The confusion (reconciliation?) with $g^{(2)}$ for typical cases is that they could be monotonic (or monotonic enough) to take the case $\tau\to\infty$ where $g^{(2)}(\infty)=1$. We discuss a bit the definition of antibunching for instance in Section~II of Ref. [1] but one could make a more thorough analysis, extending that of Zou and Mandel.[2]
The first antibunching is from Kimble et al.[3]
Here follows a collection of antibunching traces $g^{(2)}(\tau)$. It is of course impossible to be comprehensive, but hopefully this will grow to be representative enough of everything and everybody:
From Ambrose et al.[4]
They consider histograms of time-difference so with no normalization of their signal back to unity at long time delays. The identity of this histogram method with a complete~$g^{(2)}$ is valid only over times much smaller than the mean time between detection.[5]
From Lounis et al.[6]
From Fleury et al.[7]
From Kurtsiefer et al.[8]
The bunching elbows are accounted here for the first time with a rate-equation model (yielding a bi-exponential curve).
From Michler et al.[9]
From Zwiller et al.[10]
From Messin et al.[11]
From Hübner et al.[12]
From Ampem-Lassen et al.[13]
From Neu et al.[14]
From Nothaft et al.[15]
From Davanço et al.[16]
From Berthel et al.[17]
From Koperski et al.[18]
From Wang et al.[19]
From Boll et al.[20]
From Nahra et al.[21]
From Fiedler et al.[22]
The 'photon bunching at non-zero correlation times' is still attributed to a metastable (shelving) state, like in the original paper.[8]
Something which frequency-filtering does very neatly.
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