Berlin 2018 – wissenschaftliches Programm
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TT: Fachverband Tiefe Temperaturen
TT 39: Focus Session: Quantum Nanophotonics in Solid State Systems I (joint session HL/TT)
TT 39.8: Vortrag
Dienstag, 13. März 2018, 12:15–12:30, EW 201
Reconfigurable integrated optical circuits on an stretchy polymer chip — •James A. Grieve1, Kian Fong Ng1, Filip Auksztol1, Manuel J.L.F. Rodrigues2, Neo Ho2, José Viana-Gomes2,3, and Alexander Ling1,3 — 1Centre for Quantum Technologies, National University of Singapore, Singapore — 2Centre for Advanced 2D Materials and Graphene Research Centre, National University of Singapore, Singapore — 3Department of Physics, National University of Singapore, Singapore
We describe the development of a waveguide platform in the flexible, stretchy polymer polydimethylsiloxane (PDMS). The pliable substrate enables tuning of integrated optical components by mechanical deformation of the host chip, overcoming a key limitation in many bespoke waveguide platforms. We illustrate this capability via the continuous on-chip tuning of a beamsplitter. We also apply these techniques to continuously coupled photonic random walks. Here, appropriate deformation of the chip allows reconstruction the spatial evolution of light in a coupled 1D array by observation of the end face alone. The PDMS platform is compatible with visible wavelengths and is insensitive to polarization, making it a compelling candidate for the integration of quantum optics experiments.