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Local quantum dot tuning on photonic crystal chips
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10.1063/1.2742789
/content/aip/journal/apl/90/21/10.1063/1.2742789
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/21/10.1063/1.2742789
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Scanning electron microscope image of the fabricated structure showing the PC cavity, the heating pad, and the connection bridges. The temperature of the structure was controlled with a laser beam focused on the heating pad.

Image of FIG. 2.
FIG. 2.

(Color online) (a) Quantum dot tuning vs heating pump power. The structure is connected to the substrate by bridges measuring in width. The quantum dot emission shifts by while increasing the heating laser power to . Only a small fraction of the heating laser power is absorbed in the metal pad. (b) Autocorrelation measurement showing single photon antibunching while the QD was detuned by using the local tuning technique. (c) Dependence of the QD detuning on the heating laser power. The two data sets correspond to structures with different thermal contacts to the substrate (320 and bridges). (d) QD temperature tuning by changing the temperature of the entire chip by heating the cryostat. The inset shows that the detuning is linear in .

Image of FIG. 3.
FIG. 3.

(Color online) (a) Detuning of the PC cavity resonance with increasing temperature due to local heating. (b) Dependence of the PC cavity resonance wavelength on the local heating power.

Image of FIG. 4.
FIG. 4.

(Color online) (a) Spectra showing the tuning of a single QD into resonance with the cavity mode using the local heating technique. (b) Anticrossing between the polariton lines of the strongly coupled PC cavity–QD system. (c) Spectrum showing the splitting of the polaritons. Note that the data in this figure were taken on a different chip than the data in Figs. 1–3.

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/content/aip/journal/apl/90/21/10.1063/1.2742789
2007-05-23
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Local quantum dot tuning on photonic crystal chips
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/21/10.1063/1.2742789
10.1063/1.2742789
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