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Description 
The phase of the optical beam around a point (or a line) where the intensity is zero is undefined. This point is called phase singular point and the research field, which deals with the beam character around this point, is named singular optics. Different types of singularities have been studied in the literature. In recent years, a special type of singularity named optical vortex received particular attention. A beam having such a singularity at its axis carries a well-defined value of the orbital angular momentum.

The main aim of the workshop is application of the optical vortex in the different physics research fields such as:  

1- Generation and manipulation of optical vortices 
2- Imaging from micro- to astronomical-systems 
3- Optical tweezers 
4- Quantum information 
5- Random optical vortices and beam patterns 
6- Vortices in quantum turbulence 
7- BEC and exciton-polariton condensates 
8- Liquid crystals

Material

Workshop on Singular Optics and its Applications to Modern Physics | (smr 2241)
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  • Monday, 30 May 2011
    • 08:00 - 09:00 REGISTRATION AND ADMINISTRATIVE FORMALITIES
      • 08:00 REGISTRATION AND ADMINISTRATIVE FORMALITIES 1h0'
    • 09:00 - 09:15 Opening remarks
      • 09:00 Opening remarks 15'
        Speaker: Ebrahim Karimi (Univ. Naples)
        Material: Presentation
    • 09:15 - 10:00 Optical vortices: Light in a Twist (Part I)
      • 09:15 Optical vortices: Light in a Twist (Part I) 45'
        Speaker: Miles Padgett (Univ. Glasgow)
        Material: Presentation abstract
    • 10:00 - 10:20 Coffee break
      • 10:00 Coffee break 20'
    • 10:20 - 11:05 Optical currents
      • 10:20 Optical currents 45'
        Speaker: Michael Berry (Univ. Bristol)
        Material: abstract
    • 11:05 - 11:50 Dynamic Singular Optics and Topological Chain Reactions
      • 11:05 Dynamic Singular Optics and Topological Chain Reactions 45'
        Speaker: Marat S. Soskin (Nat. Acad. of Sciences of Ukraine)
        Material: abstract
    • 11:50 - 12:35 Optical Moebius Strips and Twisted Ribbons (Part I)
      • 11:50 Optical Moebius Strips and Twisted Ribbons (Part I) 45'
        Speaker: Isaac Freund (Bar-Ilan Univ.)
        Material: Presentation abstract
    • 12:35 - 14:30 Lunch
      • 12:35 Lunch 1h55'
    • 14:30 - 15:15 Knotting optical vortices
      • 14:30 Knotting optical vortices 45'
        Speaker: Mark Dennis (Univ. Bristol)
        Material: abstract
    • 15:15 - 16:00 Singular Optics and Topology of LC nanocomposites
      • 15:15 Singular Optics and Topology of LC nanocomposites 45'
        Speaker: Marat S. Soskin (Nat. Acad. of Sciences of Ukraine)
    • 16:00 - 16:20 Coffee break
      • 16:00 Coffee break 20'
    • 16:20 - 16:40 One- and two-dimensional topological charge distributions in stochastic optical fields (short presentation)
      • 16:20 One- and two-dimensional topological charge distributions in stochastic optical fields (short presentation) 20'
        Speaker: Filippus S. Roux (CSIR Nat. Laser Centre)
        Material: abstract
    • 16:40 - 17:25 Optical Moebius Strips and Twisted Ribbons (Part II)
      • 16:40 Optical Moebius Strips and Twisted Ribbons (Part II) 45'
        Speaker: Isaac Freund (Bar-ilan Univ.)
    • 17:25 - 18:00 Question time
      • 17:25 Question time 35'
  • Tuesday, 31 May 2011
    • 09:00 - 09:45 Vortices threading interferometers
      • 09:00 Vortices threading interferometers 45'
        Speaker: Michael Berry (Univ. Bristol)
    • 09:45 - 10:30 Polarization singularity indices primer
      • 09:45 Polarization singularity indices primer 45'
        Speaker: Mark Dennis (Univ. Bristol)
    • 10:30 - 10:50 Coffee break
      • 10:30 Coffee break 20'
    • 10:50 - 11:35 Optical vortices: Light in a Twist (Part II)
      • 10:50 Optical vortices: Light in a Twist (Part II) 45'
        Speaker: Miles Padgett (Univ. Glasgow)
    • 11:35 - 12:20 Decomposing angular momentum into spin and orbital momentum
      • 11:35 Decomposing angular momentum into spin and orbital momentum 45'
        Speaker: Michael Mazilu (Univ. St Andrews)
        Material: Presentation
    • 12:20 - 14:30 Lunch
      • 12:20 Lunch 2h10'
    • 14:30 - 15:15 Mechanical effects of light spin and orbital angular momentum in liquid crystals
      • 14:30 Mechanical effects of light spin and orbital angular momentum in liquid crystals 45'
        Speaker: Enrico Santamato (Univ. Naples)
        Material: Presentation abstract
    • 15:15 - 16:00 Spin-to-orbital conversion of the angular momentum of light
      • 15:15 Spin-to-orbital conversion of the angular momentum of light 45'
        Speaker: Lorenzo Marrucci (Univ. Naples)
        Material: Presentation abstract
    • 16:00 - 16:20 Coffee break
      • 16:00 Coffee break 20'
    • 16:20 - 17:05 Electromagnetic vorticity in Astronomy (Part I)
      • 16:20 Electromagnetic vorticity in Astronomy (Part I) 45'
        Speaker: Fabrizio Tamburini (Univ. Padua)
        Material: Presentation abstract
    • 17:05 - 17:35 Question time
      • 17:05 Question time 30'
  • Wednesday, 1 June 2011
    • 09:00 - 09:45 Manipulation of the OAM of a paraxial optical beam with linear optics devices
      • 09:00 Manipulation of the OAM of a paraxial optical beam with linear optics devices 45'
        Speaker: Enrico Santamato (Univ. Naples)
        Material: Presentation
    • 09:45 - 10:30 Vortex electron beams: observation and contemplation
      • 09:45 Vortex electron beams: observation and contemplation 45'
        Speaker: Johan Verbeeck (Univ. Antwerp)
        Material: abstract
    • 10:30 - 10:50 Coffee break
      • 10:30 Coffee break 20'
    • 10:50 - 11:35 Electromagnetic vorticity in Astronomy (Part II)
      • 10:50 Electromagnetic vorticity in Astronomy (Part II) 45'
        Speaker: Fabrizio Tamburini (Univ. Padua)
        Material: Presentation abstract
    • 11:35 - 12:20 Micromanipulation using optical eigenmodes
      • 11:35 Micromanipulation using optical eigenmodes 45'
        Speaker: Michael Mazilu (Univ. St Andrews)
        Material: Presentation abstract
    • 12:20 - 14:30 Lunch
      • 12:20 Lunch 2h10'
    • 14:30 - 15:15 q-plates: some classical and quantum applications
      • 14:30 q-plates: some classical and quantum applications 45'
        Speaker: Lorenzo Marrucci (Univ. Naples)
        Material: Presentation
    • 15:15 - 16:00 Optical beam shifts and orbital angular momentum
      • 15:15 Optical beam shifts and orbital angular momentum 45'
        Speaker: Han Woerdman (Leiden Univ.)
        Material: Presentation abstract
    • 16:00 - 16:20 Optical Spin and Orbital Angular Momentum and a Higher Order Poincare Sphere: Implications and Applications (short presentation)
      • 16:00 Optical Spin and Orbital Angular Momentum and a Higher Order Poincare Sphere: Implications and Applications (short presentation) 20'
        Speaker: Giovanni Milione (City Univ. of New York)
        Material: abstract
    • 16:20 - 16:40 Coffee break
      • 16:20 Coffee break 20'
    • 16:40 - 18:00 Poster Session
      • 16:40 Poster Session 1h20'
    • 19:00 - 19:00 Official Reception (Adriatico Guest House Terrace)
      Location: Adriatico Guest House (Terrace)
      • 19:00 Official Reception (Adriatico Guest House Terrace)
  • Thursday, 2 June 2011
    • 09:00 - 09:45 Quantum tests with twisted light (Part I)
      • 09:00 Quantum tests with twisted light (Part I) 45'
        Speaker: Sonja Franke-Arnold (Univ. Glasgow)
        Material: Presentation abstract
    • 09:45 - 10:30 From qubit to qudit with hybrid OAM-polarization quantum state
      • 09:45 From qubit to qudit with hybrid OAM-polarization quantum state 45'
        Speaker: Fabio Sciarrino (Univ. Rome La Sapienza)
        Material: Presentation abstract
    • 10:30 - 10:50 Coffee break
      • 10:30 Coffee break 20'
    • 10:50 - 11:35 Tangled Quantum Vortices (Part I)
    • 11:35 - 12:20 Spatial pattern formation in nonequilibrium BECs
      • 11:35 Spatial pattern formation in nonequilibrium BECs 45'
        Speaker: Natasha Berloff (Univ. Cambridge)
        Material: abstract
    • 12:20 - 14:30 Lunch
      • 12:20 Lunch 2h10'
    • 14:30 - 14:30 Free afternoon
      • 14:30 Free afternoon
  • Friday, 3 June 2011
    • 09:00 - 09:45 Quantum tests with twisted light (Part II)
      • 09:00 Quantum tests with twisted light (Part II) 45'
        Speaker: Sonja Franke-Arnold (Univ. Glasgow)
        Material: Presentation
    • 09:45 - 10:30 Photonic optimal quantum cloning
      • 09:45 Photonic optimal quantum cloning 45'
        Speaker: Fabio Sciarrino (Univ. Rome La Sapienza)
        Material: Presentation
    • 10:30 - 10:50 Coffee break
      • 10:30 Coffee break 20'
    • 10:50 - 11:35 Vortices and turbulence in exciton-polariton condensates
      • 10:50 Vortices and turbulence in exciton-polariton condensates 45'
        Speaker: Natasha Berloff (Univ. Cambridge)
    • 11:35 - 12:20 Tangled Quantum Vortices (Part II)
      • 11:35 Tangled Quantum Vortices (Part II) 45'
        Speaker: Carlo Barenghi (Newcastle Univ.)
    • 12:20 - 14:30 Lunch
      • 12:20 Lunch 2h10'
    • 14:30 - 14:50 Representation of a Spiral Phase Plate as a two mode Quantum Phase Operator (short presentation)
      • 14:30 Representation of a Spiral Phase Plate as a two mode Quantum Phase Operator (short presentation) 20'
        Speaker: Fabio Antonio Bovino (SELEX Sistemi Integrati, Genoa)
        Material: abstract
    • 14:50 - 15:10 An experimental investigation of spatial coherence and information entropy of optical vortices (short presentation)
      • 14:50 An experimental investigation of spatial coherence and information entropy of optical vortices (short presentation) 20'
        Speaker: Ashok Kumar (Physical Research Lab Ahmedabad)
        Material: abstract
    • 15:10 - 15:40 Lasing and Polariton Condensation (short presentation) 
      (ICO/ICTP Gallieno Denardo Award)
      • 15:10 Lasing and Polariton Condensation (short presentation) 30'
        Speaker: Ryan Barrido Balili (Mindanao State Univ.)
        Material: abstract
    • 15:40 - 16:10 Measurement of stimulated Hawking emission in an analogue system
      • 15:40 Measurement of stimulated Hawking emission in an analogue system 30'
        Speaker: Silke Weinfurtner (SISSA, Trieste)
        Material: abstract
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