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Event

Tuesday, 25 June, 2013

Circuit optomechanics and single-photon detection on a chip

Dr. Wolfram Pernice, Karlsruhe Institute of Technology (KIT)

Speaker: Dr. Wolfram Pernice, Institute of Nanotechnology, Karlsruhe Institute of Technology

Time: Tuesday, 22 June 2013, 13:00h

Venue: WSI, seminar room EG 0.001, Am Coulombwall 4a, Garching

Abstract:
Nanophotonic devices allow for realizing complex optical functionality that is otherwise difficult to achieve with free-space optical setups. While such circuits find a multitude of applications in telecommunication and optical signal processing, their tremendous potential for non-classical optics remains largely unexplored. Here I will present an integrated platform in which key challenges of integrated quantum optics are addressed by combining nanophotonic and superconducting devices with optomechanical resonators. Superconducting nanowires are particularly promising for recording single photon events in a chip-scale framework. Besides offering near-perfect detection efficiency, they also provide a small footprint and scalability as a key step towards integrated quantum optical circuits. Working with a nonlinear optical substrate material furthermore enables active control of photon interaction. Leveraging additional degrees of freedom provided by free-standing mechanical structures thus yields a rich architecture for studying fundamental physics and emerging applications in chip-based metrology.

 

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