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(a) Scanning electron micrograph of fabricated L3 photonic crystal cavity. The three nearest holes at the edge of the cavity (labeled A, B, C) are shifted in the direction of the corresponding arrows. Scale bar: . (b) Cavity-QD spectrum at low-power above-band (865 nm) laser excitation. (c) Photoluminescence (PL) as a function of temperature showing strong coupling. (d) PL spectrum when the tunable excitation laser is resonant with the cavity. The strongly coupled QD line is labeled.
(a) Cavity spectrum as a function of laser detuning from cavity at 14 K for a pump power. (b) QD linewidth vs input power at the cavity mode resonance shown as circles, with fit from simulations shown by solid line. (c) Calculated emission spectrum as a function of excitation wavelength. (d) Stark shift vs laser-cavity mode detuning for experimental data (circles) and theoretical calculations (solid line).
(a) Cavity spectrum as a function of laser detuning from cavity at 40 K for a pump power. (b) Calculated emission spectrum. (c) Stark-shift vs input power for QD at 14 and 40 K when incident field is resonant with the cavity mode. Experimental data is shown by symbols, and simulated values are indicated by the solid lines.
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