Abstract

We review our optical vortex laser studies including high power optical vortex lasers formed of a stressed large-mode-area fiber and side-pumped bounce amplifiers. The frequency extension of optical vortex lasers based on second (or third) order nonlinear processes is also addressed. Optical vortex lasers enable us to fabricate a chiral nano-structure originated by angular momentum transfer of the optical vortex to a material. Such chiral nano-structures will open a new aspect of physics (termed ‘chiral material science’), including planar chiral metamaterials and the selective identification of chiral chemical composites.

© 2013 Optical Society of America

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