Nanophotonics with nanomembranes

prof. Oliver SCHMIDT (Institute for Integrative Nanosciences, Leibniz IFW Dresden, Germany)  

30. 10. 2018 12:30-13:30  

CEITEC, Purkyňova 123, seminar room S2.02 

Nanomembranes are thin, flexible, and transferable and can be assembled into 3D micro and nanoarchitectures.  In  case  optically  active  nanomembrane  materials  are  selected  many new  research  paths  and  exciting  future  application  scenarios  open  up  in  nanophotonics. For instance, we have exploited semiconductor nanomembrane materials including high quality quantum emitters to create highest speed [1], highest yield [2], highest brightness [3] and Si-integratable [4] sources of entangled photons, which could lie at the heart of future quantum communication technologies. 

If nanomembranes are differentially strained they deform themselves and roll-up into microtubular  structures  upon  release  from  their  mother  substrate.  Photonic rolled-up  microtubes can  be  exploited  as  3D  microcavities  to  study  spin  orbit coupling  of  light [5]  or  selective  opto-plasmonic  coupling  in  vertical  ring  resonators [6]. Fully on-chip integrated systems offer interesting options for 3D photonic integration and lab-in-a-tube concepts.

[1] J. Zhang, J. S. Wildmann, F. Ding, R. Trotta, Y. Huo, E. Zallo, D. Huber, A. Rastelli, O. G. Schmidt, Nature Commun. 6, 10067 (2015)