An acquisition system for CMOS imagers with a genuine 10Gbit/s bandwidth

Guérin, C.; Mahroug, J.; Tromeur, W.; Houles, Julien; Calabria, P.; Barbier, R.

doi:10.1016/j.nima.2011.11.003

Cited by 5 publications

(1 citation statement)

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“…The experimental setup used to record the timetraces is a home-built wide-field microscope coupled to a high-frame-rate ebCMOS camera [33][34][35] with high fidelity single photon counting capabilities, see Fig. resulting in 333× magnification.…”

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confidence: 99%

Autocorrelation Analysis for the Unbiased Determination of Power-Law Exponents in Single-Quantum-Dot Blinking

et al. 2015

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We present an unbiased and robust analysis method for power-law blinking statistics in the photoluminescence of single nanoemitters, allowing us to extract both the bright- and dark-state power-law exponents from the emitters' intensity autocorrelation functions. As opposed to the widely used threshold method, our technique therefore does not require discriminating the emission levels of bright and dark states in the experimental intensity timetraces. We rely on the simultaneous recording of 450 emission timetraces of single CdSe/CdS core/shell quantum dots at a frame rate of 250 Hz with single photon sensitivity. Under these conditions, our approach can determine ON and OFF power-law exponents with a precision of 3% from a comparison to numerical simulations, even for shot-noise-dominated emission signals with an average intensity below 1 photon per frame and per quantum dot. These capabilities pave the way for the unbiased, threshold-free determination of blinking power-law exponents at the microsecond time scale.

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confidence: 99%