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Updated: May 21, 2026

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
Published on: February 28, 2016
Control of orbital angular momentum of light with optical fibers
Nenad Bozinovic1, Steven Golowich, Poul Kristensen
1Boston University, 8 Saint Mary’s Street, Boston, Massachusetts 02215, USA. nesa@bu.edu
Abstract:
We present a fiber-based method for generating vortex beams with a tunable value of orbital angular momentum from -1ℏ to +1ℏ per photon. We propose a new (to our knowledge) method to determine the modal content of the fiber and demonstrate high purity of the desired vortex state (97% after 20 m, even after bends and twists). This method has immediate utility for the multitude of applications in science and technology that exploit vortex light states.

