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SUMMARY:High-performance Semiconductor Quantum Light Sources - Dr Jin Liu
DTSTART:20240913T140000Z
DTEND:20240913T150000Z
UID:TALK219835@talks.cam.ac.uk
CONTACT:111806
DESCRIPTION:Abstract \nSemiconductor quantum emitters\, especially epitaxi
 al quantum dots (QDs) with large optical oscillator strength\, are one of 
 the most promising candidates for exploring fundamental quantum physics in
  solid-state and building quantum photonic devices on-chip. However\, the 
 deterministic creation and eventual scalability of single QD devices great
 ly suffer from the random nature of the QDs produced in their self-assembl
 ed growth. In this talk\, I will present the breakthrough of scalable and 
 deterministic light-matter couplings based on single-photon hyperspectral 
 imaging[1]. With deterministically coupled QD-microcavity systems\, we’v
 e observed the long-sought-after dynamic resonance fluorescence in cavity 
 quantum electrodynamics [2] and realized quantum photonic devices with sta
 te-of-the-art performances\, including bright sources of entangled photon 
 pairs [3]\, chip-scale light sources carrying orbital angular momentum [4\
 ,5] and stimulated emission assisted single-photon sources [6]. We finally
  envision long-distance quantum networks based on telecom band QDs via hyb
 rid integration technology [7].\n\n
LOCATION:Maxwell Centre\, Rayleigh Seminar Room
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