Erasing spectral distinguishability in quantum dot based single photon sources using quantum frequency conversion
Serkan Ateş, Imad H. Agha, Angelo Gulinatti, Ivan Rech, Matthew T. Rakher, A. Badolato, Kartik A. Srinivasan · 2013
Using background-free quantum frequency conversion, two spectrally separate excitonic transitions from a single semiconductor quantum dot are converted to a single wavelength, and two-photon interference on the frequency-converted signal is demonstrated.