1 February 2006 Optical vortices for localized optical lattice site manipulation
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Abstract
We present a method for manipulating individual sites in a 2-D optical lattice that enables the creation of defects within otherwise periodic light patterns. The modified optical lattice is created by interference of plane waves and spiral phase waves. Spiral phase modulation creates an optical vortex that is well suited for addressing single rows of the optical lattice owing to the localized wrap of the phase front. Local fringes can be split, annihilated, or have their size tuned by controlling the charge and location of the vortex cores. These properties provide a connection between dislocations in crystals, waves, and optical lattices.
© (2006) Society of Photo-Optical Instrumentation Engineers (SPIE)
Ethan F. Schonbrun, Ethan F. Schonbrun, Rafael Piestun, Rafael Piestun, } "Optical vortices for localized optical lattice site manipulation," Optical Engineering 45(2), 028001 (1 February 2006). https://doi.org/10.1117/1.2172930 . Submission:
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