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SUMMARY:Ultrafast laser writing of integrated waveguides toward quantum so
 urces - Associate Professor Jie Qiao\,​ Rochester Institute of Technolog
 y​
DTSTART:20200206T183000Z
DTEND:20200206T191500Z
UID:TALK139585@talks.cam.ac.uk
CONTACT:Microsoft Research Cambridge Talks Admins
DESCRIPTION:Research on ultrafast-laser-based fabrication of integrated ph
 otonic devices combines applied physics\, photonics\, lasers\, materials\,
  and imaging. This talk presents methods\, computational models\, physical
  processes and diagnostics related to such fabrication\, including direct 
 writing of waveguides and lasers\, polishing and micro-joining of optical 
 components. Simulations using unidirectional beam propagation equations an
 d fabrication of low-loss devices in a crystal material will be presented.
  Waveguide lasers suitable for quantum sources can be potentially achieved
  by integrating these technologies. A pump-probe microscope for measuring 
 the dynamics of femtosecond laser interactions\, and a new optical differe
 ntiation wavefront-sensing technique based on far-field spatial modulation
  using a binary pixelated filter\, will also be presented.
LOCATION: The Howard Theatre\, Downing College
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