Ultrafast Nanooptics
We aim at investigating and controlling the optical response of single nanoscale objects on a 10 fs timescale. To this end, we have developed a setup combining a 4f laser pulse shaper and a high NA confocal optical microscope.
Publications:
- Alberto Comin and Achim Hartschuh, "Efficient Hotspot Switching in Plasmonic Nanoantennas using Phase-shaped Laser Pulses controlled by Neural Networks", Optics Express 26, 33678 (2018).
- Alberto Comin, Richard Ciesielski, Nicolás Coca-López, Achim Hartschuh "Phase retrieval of ultrashort laser pulses using a MIIPS algorithm", Opt. Express 24, 2505 (2016)-
- Richard Ciesielski, Alberto Comin, Matthias Handloser, Kevin Donkers, Giovanni Piredda, Antonio Lombardo, Andrea C. Ferrari, Achim Hartschuh "Graphene Near-Degenerate Four-Wave Mixing for Phase Characterization of Broadband Pulses in Ultrafast Microscopy", Nano Lett. 15, 4968 (2015).
- Torben Winzer, Richard Ciesielski, Matthias Handloser, Alberto Comin, Achim Hartschuh, Ermin Malic, "Microscopic view on the ultrafast photoluminescence from photo-excited graphene", Nano Lett. 15, 1141 (2015)
- Alberto Comin, Richard Ciesielski, Giovanni Piredda, Kevin Donkers, and Achim Hartschuh,"Compression of Ultrashort Laser Pulses via Gated Multiphoton Intrapulse Interference Phase Scans", J. Opt. Soc. Am. B 5, 1118-1125 (2014).