Far off-resonant coupling between photonic crystal microcavity and single quantum dot with resonant excitation

Mehdi Banihashemi; Tatsuya Nakamura; Takanori Kojima; Kazunobu Kojima; Susumu Noda; Vahid Ahmadi

doi:10.1063/1.4852555

Far off-resonant coupling between photonic crystal microcavity and single quantum dot with resonant excitation

Mehdi Banihashemi, Tatsuya Nakamura, Takanori Kojima, Kazunobu Kojima, Susumu Noda, Vahid Ahmadi

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

In this paper, we experimentally demonstrate that with sub-nanowatt coherent s-shell excitation of a single InAs quantum dot, off-resonant coupling of 4.1 nm is possible between L3 photonic crystal microcavity and the quantum dot at 50 K. This resonant excitation reduces strongly the effect of surrounding charges to quantum dot, multiexciton complexes and pure dephasing. It seems that this far off-resonant coupling is the result of increased number of acoustical phonons due to high operating temperature of 50 K. The 4.1 nm detuning is the largest amount for this kind of coupling.

Original language	English
Article number	251113
Journal	Applied Physics Letters
Volume	103
Issue number	25
DOIs	https://doi.org/10.1063/1.4852555
Publication status	Published - 2013 Dec 16
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.4852555

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abstract = "In this paper, we experimentally demonstrate that with sub-nanowatt coherent s-shell excitation of a single InAs quantum dot, off-resonant coupling of 4.1 nm is possible between L3 photonic crystal microcavity and the quantum dot at 50 K. This resonant excitation reduces strongly the effect of surrounding charges to quantum dot, multiexciton complexes and pure dephasing. It seems that this far off-resonant coupling is the result of increased number of acoustical phonons due to high operating temperature of 50 K. The 4.1 nm detuning is the largest amount for this kind of coupling.",

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AU - Banihashemi, Mehdi

AU - Nakamura, Tatsuya

AU - Kojima, Takanori

AU - Kojima, Kazunobu

AU - Noda, Susumu

AU - Ahmadi, Vahid

PY - 2013/12/16

Y1 - 2013/12/16

N2 - In this paper, we experimentally demonstrate that with sub-nanowatt coherent s-shell excitation of a single InAs quantum dot, off-resonant coupling of 4.1 nm is possible between L3 photonic crystal microcavity and the quantum dot at 50 K. This resonant excitation reduces strongly the effect of surrounding charges to quantum dot, multiexciton complexes and pure dephasing. It seems that this far off-resonant coupling is the result of increased number of acoustical phonons due to high operating temperature of 50 K. The 4.1 nm detuning is the largest amount for this kind of coupling.

AB - In this paper, we experimentally demonstrate that with sub-nanowatt coherent s-shell excitation of a single InAs quantum dot, off-resonant coupling of 4.1 nm is possible between L3 photonic crystal microcavity and the quantum dot at 50 K. This resonant excitation reduces strongly the effect of surrounding charges to quantum dot, multiexciton complexes and pure dephasing. It seems that this far off-resonant coupling is the result of increased number of acoustical phonons due to high operating temperature of 50 K. The 4.1 nm detuning is the largest amount for this kind of coupling.

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Far off-resonant coupling between photonic crystal microcavity and single quantum dot with resonant excitation

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