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Engineering light-matter interactions at the nanoscale

July 27, 2018 @ 1:00 pm - 2:00 pm

  • July 27, 2018
  • : 1:00 pm - 2:00 pm
  • 151 Wellington Rd
    Clayton, VIC 3168 Australia
    + Google Map

MCN is delighted to welcome ANFF-VIC Tech Ambassador, Prof Ken Crozier and members of his team to discuss recent investigations into light-matter interactions.

Ken will be joined by Benjamin Craig, Vivek Raj Shrestha, Ming Ye, and Jasper Cadusch as they delve into four of the team’s projects.


We provide glimpses into four research projects of the Crozier Group, whose common theme is engineering light-matter interactions at the nanoscale.

In the first, we demonstrate mid-infrared plasmonic filters. We experimentally determine the spectrum of a mid-infrared light source using an algorithm whose inputs are the total power transmitted by each filter and the transmission spectrum of each filter.

In the second, we demonstrate a graphene-metal metasurface for unpolarized long wavelength infrared light with electrically-tunable reflectance. By applying a gate voltage, we shift the wavelength of a resonant reflectance dip centered at ~9.4 micron by~156 nm.

In the third, we propose a hybrid metal/dielectric metasurface that functions as a mid-infrared magnetic mirror. It consists amorphous silicon cuboids on gold. The physical mechanism is explained by image theory. Measured reflection spectra agree with simulations.

In the fourth, we experimentally demonstrate a microspectrometer comprising twenty silicon photodetector pixels,whose responsivities are engineered via nanostructured fishnet patterns. We computationally reconstruct the spectrum of light that illuminates the chip from the measured pixel photocurrents.

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