Orbital angular momentum (OAM) of light is an attractive degree of freedom for fundamental
studies in quantum mechanics. In addition, the discrete unbounded state-space of OAM has …

We report a technique for encoding both amplitude and phase variations onto a laser beam
using a single digital micro-mirror device (DMD). Using this technique, we generate …

The measurement of a quantum state poses a unique challenge for experimentalists.
Recently, the technique of 'direct measurement'was proposed for characterizing a quantum …

We have experimentally studied the degradation of mode purity for light beams carrying
orbital angular momentum (OAM) propagating through simulated atmospheric turbulence …

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We describe a procedure by which a long ($\gtrsim 1\,\text {km} $) optical path through
atmospheric turbulence can be experimentally simulated in a controlled fashion and scaled …

A novel method to generate and manipulate vector vortex beams in an integrated, ring
resonator based geometry is proposed. We show numerically that a ring resonator, with an …

Recent theoretical and experimental developments in the field of electron-vortex-beam
physics have raised questions about what exactly this novelty in the field of electron …

We describe an experimental technique for generating a quasi-monochromatic field with any
arbitrary spatial coherence properties that can be described by the cross-spectral density …

We describe a novel approach for generating light beams that carry orbital angular
momentum (OAM) by means of total internal reflection in an isotropic medium. A continuous …