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Scanning Fabry-Pérot interferometer with largely tuneable free spectral range for high resolution spectroscopy of single quantum dots
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10.1063/1.3601016
/content/aip/journal/rsi/82/7/10.1063/1.3601016
http://aip.metastore.ingenta.com/content/aip/journal/rsi/82/7/10.1063/1.3601016
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Scheme of the experimental apparatus.

Image of FIG. 2.
FIG. 2.

(a) Points: transmittance of white light for Δ′ = −1.0 mm. Line: Lorentzian fit to data. (b) Transmittance of white light for different distance Δ′. (c) Points: measured FSR−1 as a function of Δ′. Line: linear fit to data. (d) Calculated FSR as a function of Δ′ and Δ for different photon energy (E1 = 1.907 μeV, E2 = 1.77 μeV, E3 = 1.653 μeV).

Image of FIG. 3.
FIG. 3.

(a) Squares (Circles): APD count rate with feedback on (off) registered over 8 h (2 h and 30 min) as function of time. The inset shows the first 20 min. (b) Statistic of the APD count rate registered over 8 h with feedback on.

Image of FIG. 4.
FIG. 4.

(a) PL spectrum of a single GaAs QD. (b) Colour-intensity map of 40 PL spectra transmitted through the FPI (Δ = 1.02 mm, = 597 μeV) as a function of photon energy (x axis) and piezo voltage (y axis). Black corresponds to the dark background and white is the maximum count rate. The white dashed lines define the integration window for evaluating the intensity of transmitted PL as shown in graph (c). (c) Transmitted PL intensity as a function of the piezo voltage as obtained by graph (b).

Image of FIG. 5.
FIG. 5.

(a) Unpolarized spectrum of a single DE QD. (b) From left to right panels: X, XX, X+, and X polarized PL as measured with spectrometer and CCD. (c) From left to right panels: colour-intensity map of a FP scan on XX, X+, and X unpolarized PL.

Image of FIG. 6.
FIG. 6.

(a) Colour-intensity maps of transmitted PL spectra of X+ for different excitation power. White corresponds to the maximum count rate. (b) Intensity profiles of X+ transmitted PL as a function of the energy shift for different excitation power. Squares and lines represent the measured data and Lorentzian fits, respectively. (c) Line broadening as a function of excitation power.

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/content/aip/journal/rsi/82/7/10.1063/1.3601016
2011-07-11
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Scanning Fabry-Pérot interferometer with largely tuneable free spectral range for high resolution spectroscopy of single quantum dots
http://aip.metastore.ingenta.com/content/aip/journal/rsi/82/7/10.1063/1.3601016
10.1063/1.3601016
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