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@article{1581517,
author = {Schimpf, Christian and Reindl, Marcus and Klenovský, Petr and Fromherz, Thomas and da Silva, Saimon F. Covre and Hofer, Julian and Schneider, Christian and Hoefling, Sven and Trotta, Rinaldo and Rastelli, Armando},
article_number = {24},
doi = {http://dx.doi.org/10.1364/OE.27.035290},
keywords = {Resolving spectral resolution to Fourier limit;Photon correlated Fourier spectroscopy;Quantum dot},
language = {eng},
issn = {1094-4087},
journal = {Optics Express},
title = {Resolving the temporal evolution of line broadening in single quantum emitters},
url = {https://www.osapublishing.org/oe/abstract.cfm?uri=oe-27-24-35290},
volume = {27},
year = {2019}
}
TY - JOUR
ID - 1581517
AU - Schimpf, Christian - Reindl, Marcus - Klenovský, Petr - Fromherz, Thomas - da Silva, Saimon F. Covre - Hofer, Julian - Schneider, Christian - Hoefling, Sven - Trotta, Rinaldo - Rastelli, Armando
PY - 2019
TI - Resolving the temporal evolution of line broadening in single quantum emitters
JF - Optics Express
VL - 27
IS - 24
SP - 35290-35307
EP - 35290-35307
SN - 10944087
KW - Resolving spectral resolution to Fourier limit;Photon correlated Fourier spectroscopy;Quantum dot
UR - https://www.osapublishing.org/oe/abstract.cfm?uri=oe-27-24-35290
L2 - https://www.osapublishing.org/oe/abstract.cfm?uri=oe-27-24-35290
N2 - Light emission from solid-state quantum emitters is inherently prone to environmental decoherence, which results in a line broadening and in the deterioration of photon indistinguishability. ere we employ photon correlation Fourier spectroscopy (PCFS) to study the temporal evolution of such a broadening in two prominent systems: GaAs and In(Ga)As quantum dots. Differently from previous experiments, the emitters are driven with short laser pulses as required for the generation of high-purity single photons, the time scales we probe range from a few nanoseconds to milliseconds and, simultaneously, the spectral resolution we achieve can be as small as ~2µeV. We find pronounced differences in the temporal evolution of different optical transition lines, which we attribute to differences in their homogeneous linewidth and sensitivity to charge noise. We analyze the effect of irradiation with additional white light, which reduces blinking at the cost of enhanced charge noise. Due to its robustness against experimental imperfections and its high temporal resolution and bandwidth, PCFS outperforms established spectroscopy techniques, such as Michelson interferometry. We discuss its practical implementation and the possibility to use it to estimate the indistinguishability of consecutively emitted single photons for applications in quantum communication and photonic-based quantum information processing.
ER -
SCHIMPF, Christian, Marcus REINDL, Petr KLENOVSKÝ, Thomas FROMHERZ, Saimon F. Covre DA SILVA, Julian HOFER, Christian SCHNEIDER, Sven HOEFLING, Rinaldo TROTTA and Armando RASTELLI. Resolving the temporal evolution of line broadening in single quantum emitters. \textit{Optics Express}. 2019, vol.~27, No~24, p.~35290-35307. ISSN~1094-4087. Available from: https://dx.doi.org/10.1364/OE.27.035290.
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