Integrated Whispering-Gallery-Mode Resonator for Solid-State Coherent Quantum Photonics
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Integrated Whispering-Gallery-Mode Resonator for Solid-State Coherent Quantum Photonics. / Brooks, Arianne; Chu, Xiao-Liu; Liu, Zhe; Schott, Ruediger; Ludwig, Arne; Wieck, Andreas D.; Midolo, Leonardo; Lodahl, Peter; Rotenberg, Nir.
In: Nano Letters, Vol. 21, No. 20, 27.10.2021, p. 8707-8714.Research output: Contribution to journal › Letter › Research › peer-review
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TY - JOUR
T1 - Integrated Whispering-Gallery-Mode Resonator for Solid-State Coherent Quantum Photonics
AU - Brooks, Arianne
AU - Chu, Xiao-Liu
AU - Liu, Zhe
AU - Schott, Ruediger
AU - Ludwig, Arne
AU - Wieck, Andreas D.
AU - Midolo, Leonardo
AU - Lodahl, Peter
AU - Rotenberg, Nir
N1 - Hy-Q
PY - 2021/10/27
Y1 - 2021/10/27
N2 - Tailored photonics cavities enhance light-matter interactions, ultimately enabling a fully coherent quantum interface. Here, we report an integrated microdisk cavity containing self-assembled quantum dots to coherently route photons between different access waveguides. We measure a Purcell factor of F-exp = 6.9 +/- 0.9 for a cavity quality factor of about 10,000, allowing us to observe clear signatures of coherent scattering of photons by the quantum dots. We show how this integrated system can coherently reroute photons between the drop and bus ports and how this routing is controlled by detuning the quantum dot and resonator or through the strength of the excitation beam, where a critical photon number less than one photon per lifetime is required. We discuss the strengths and limitations of this approach, focusing on how the coherent scattering and single-photon nonlinearity can be used to increase the efficiency of quantum devices such as routers or Bell-state analyzers.
AB - Tailored photonics cavities enhance light-matter interactions, ultimately enabling a fully coherent quantum interface. Here, we report an integrated microdisk cavity containing self-assembled quantum dots to coherently route photons between different access waveguides. We measure a Purcell factor of F-exp = 6.9 +/- 0.9 for a cavity quality factor of about 10,000, allowing us to observe clear signatures of coherent scattering of photons by the quantum dots. We show how this integrated system can coherently reroute photons between the drop and bus ports and how this routing is controlled by detuning the quantum dot and resonator or through the strength of the excitation beam, where a critical photon number less than one photon per lifetime is required. We discuss the strengths and limitations of this approach, focusing on how the coherent scattering and single-photon nonlinearity can be used to increase the efficiency of quantum devices such as routers or Bell-state analyzers.
KW - quantum nanophotonics
KW - quantum dots
KW - resonators
KW - ATOM
KW - CHIP
U2 - 10.1021/acs.nanolett.1c02818
DO - 10.1021/acs.nanolett.1c02818
M3 - Letter
C2 - 34636568
VL - 21
SP - 8707
EP - 8714
JO - Nano Letters
JF - Nano Letters
SN - 1530-6984
IS - 20
ER -
ID: 285729523