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SUMMARY:Quantum-Dot Plasmonics
DTSTART:20181206T160000
DTEND:20181206T170000
DTSTAMP:20260407T103124Z
UID:0a01d68c347e7d96edc90fdcdde411c50cb267668278fc8b6f4187d4
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. David J. Norris\nOptical Materials Engineering Laborator
 y\,\nETH Zurich\, Switzerland\nChE-605 - Highlights in Energy Research sem
 inar series\nQuantum optics involves the coupling of quantum emitters to t
 heir electromagnetic environment. Because this coupling is related to the 
 concentration of the optical field\, it is typically constrained by the di
 ffraction limit of light. One way to circumvent this is by moving to quant
 um plasmonics\, which uses surface plasmon polaritons (SPPs) instead of ph
 otons. However\, despite the advantages of this approach\, quantum plasmon
 ics has not yet been fully explored. It has been limited in large part by 
 experimental difficulties in creating the necessary structures. We address
  this problem by combining state-of-the-art quantum emitters with plasmoni
 c structures (waveguides and reflectors) that approach theoretical perform
 ance limits. We synthesize highly luminescent colloidal quantum dots (phot
 oluminescence quantum yield >90%) and precisely place them on template-str
 ipped silver wedge waveguides. We demonstrate efficient coupling of the qu
 antum-dot emission into guided plasmonic modes in the waveguide.  In addi
 tion\, by adding efficient reflectors\, high-Q plasmonic resonators are ob
 tained. More generally\, the flexibility and fidelity of the resulting qua
 ntum-plasmonic systems indicates that they will allow a broad set of nanos
 cale quantum-optical measurements to be pursued.\n\nThe seminar can also b
 e followed remotely by joining the online Cisco WebEx meeting (connection 
 possible 15 minutes before the talk).\nSee here the documentation how to i
 nstall the Cisco WebEx add-on on your computer.\nIn case of problem\, you 
 can contact our IT support (37679 - it.vs@epfl.ch )\n 
LOCATION:I17 4 K2 https://plan.epfl.ch/?room==I17%204%20K2
STATUS:CONFIRMED
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