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Orbital Angular Momentum in Noncollinear Second Harmonic Generation by off-axis vortex beams
Harmonic generation and mixing Optical Vortices Orbital Angular Momentum
2011/8/31
We experimentally study the behavior of orbital angular momentum (OAM) of light in a noncollinear second harmonic generation (SHG) process. The experiment is performed by using a type I BBO crystal un...
Method for exploring the orbital angular momentum of an optica l vortex beam with a triangula r multipoin t plate
Method exploring the orbital angular momentum optica l vortex beam triangular multipoint plate
2013/7/3
An efficient method for exploring the orbital angular momentum of an optical vortex beam is provided.The method, based on a triangular multipoint plate, can easily determine both the sign and the magn...
Optimal quantum cloning of orbital angular momentum photon qubits via Hong-Ou-Mandel coalescence
Optimal quantum cloning orbital angular momentum photon via Hong-Ou-Mandel coalescence
2010/11/8
The orbital angular momentum (OAM) of light, associated with a helical structure of the wavefunction, has a great potential for quantum photonics, as it allows attaching a higher dimensional quantum s...
Measuring the orbital angular momentum of elliptical vortex beams by using a slit hexagon aperture
Orbital angular momentum Elliptical vortex beam Hexagon aperture
2013/7/3
The far- fi eld diffraction pattern of an elliptical vortex beam by a slit hexagon aperture is investigated theoretically and experimentally. It is found that the number of the dark spots or stripes i...
Experimental generation and characterization of single-photon hybrid ququarts based on polarization-orbital angular momentum encoding
Experimental generation characterization single-photon hybrid ququarts polarization-orbital angular momentum encoding
2010/10/20
High-dimensional quantum states, or qudits, represent a promising resource in the quantum infor-mation field. Here we present the experimental generation of four-dimensional quantum states, or ququart...
Effect of Coma Aberration on Orbital Angular Momentum Spectrum of Vortex Beams
Effect Coma Aberration Orbital Angular Momentum Spectrum Vortex Beams
2013/7/3
Spiral spectra of vortex beams with coma aberration are studied. It is shown that the orbital angular momentum(OAM) states of vortex beams with coma aberration are different from those aberration-free...
