TOM 1 - Silicon Photonics and Guided-Wave Optics
TOM 2 - Computational, Adaptive and Freeform Optics
TOM 3 - Optical System Design, Tolerancing and Manufacturing
TOM 4 - Bio-Medical Optics
TOM 5 - Resonant Nanophotonics
TOM 6 - Optical Materials: crystals, thin films, organic molecules and polymers, syntheses, characterization and devices
TOM 7 - Thermal radiation and energy management
TOM 8 - Nonlinear and Quantum Optics
TOM 9 - Optics at Nanoscale (ONS)
TOM 10 - Optical Microsystems (OMS)
TOM 11 - Waves in Complex Photonic Media
TOM 12 - Optofluidics
TOM 13 - Ultrafast Optical Technologies and Applications
TOM 14 - Advances and Applications of Optics and Photonics
EU Project Session
Early Stage Researcher Session organised by SIOF
Grand Challenges of Photonics Session
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TOM9 S07: Optics at Nanoscale (ONS): Quantum effects II
Time:
Wednesday, 15/Sept/2021:
16:15 - 17:45
Session Chair: Alessandro Belardini, Sapienza UniversitĂ di Roma, Italy
Location:Aula 8 1st Floor
Presentations
16:15 - 16:45 Invited ID: 464 / TOM9 S07: 1 TOM 9 Optics at Nanoscale (ONS)
Ultrafast emission and detection of quantum emitters
Haritha Kambalathmana1, Abdul-Amid Fattah2, Amr Farrag1, Assegid M. Flatae1, Mario Agio1,3
1Laboratory of Nano-Optics, University of Siegen, Germany; 2Deggendorf Institute of Technology, Germany; 3National Institute of Optics (INO), National Research Council (CNR), Italy
We discuss theoretical and experimental results on the ultrafast emission and detection of quantum emitters. We employ nano-antennas, specifically gold nanocones, to accelerate the spontaneous emission rate of silicon-vacancy color centers in diamond by orders of magnitude to generate single photons with picoseconds timescales. Moreover, we implement an optical Kerr shutter under tight focusing to be able to detect such ultrafast single photons with time resolutions down to a few hundreds of femtoseconds.
16:45 - 17:15 Invited ID: 459 / TOM9 S07: 2 TOM 9 Optics at Nanoscale (ONS)
Intensity squeezed States of lLght from FWM in hot alkali Vapors -Review of Results and Applications
Brana M Jelenkovic, Marija Curcic
Institute of physics, Belgrade Serbia
We review experimental and theoretical results of quantum properties of twin beams generated by the FWM in hot alkali vapors. Noise spectrum of the intensity difference of twin beams and dependence of squeezing on the range of FWM parameters is presented for the FWM in potassium. Relative intensity squeezing of -5.5 dB below SQL requires that potassium density and detuning of the pump and probe laser beams in the double Λ interaction scheme all fall in the rather narrow range.
17:15 - 17:45 Invited ID: 171 / TOM9 S07: 3 TOM 9 Optics at Nanoscale (ONS)
Generation of nonclassical light in integrated nanophotonic resonators
Marco Liscidini
University of Pavia, Italy
Integrated micro- and nanostructures allow for the efficient generation of photon pairs via parametric fluorescence thanks to the enhancement of the light-matter interaction associated with the spatial and temporal light confinement. These systems grant an unprecedented control over the properties of the generated non-classical light, for the field enhancement can be engineered to enhance or suppress specific nonlinear processes. I will discuss the latest progresses in the generation of photon pairs in integrated devices from two-photon states in linearly uncoupled resonators to bright squeezed light in nanophotonic molecules.
