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High Q-factor (~60,000) whispering gallery modes are observed from GaAs based micropillar cavities with embedded InAs quantum dots. Low threshold lasing is observed in WGMs near to the peak of the QD ensemble.
Historically non-classical sources of single photons have been used to test quantum mechanics and to develop the field of quantum optics. Nowadays the single photon source has become a critical device for quantum communications and optical quantum information processing [Knill, et al., 2001]. A single photon source emits one photon at a time, and its quality can be evaluated by three parameters: quantum...
First on-orbit data from the forward technology solar cell experiment (FTSCE) are presented. FTSCE is housed within the 5th Materials on the International Space Station Experiment (MISSE-5), and currently resides on the exterior of the ISS. A range of solar cell technologies are included in the experiment including triple junction (3J) InGaP/GaAs/Ge solar cells from several vendors, thin film amorphous...
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