Dholakia, K., Simpson, N.B., Padgett, M.J., and Allen, L. (1996) Second-Harmonic Generation And The Orbital Angular Momentum Of Light. Physical Review A: Atomic, Molecular and Optical Physics, 54(5). R3742-R3745. (doi:10.1103/PhysRevA.54.R3742)
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Second-harmonic generation has been obtained by the use of Laguerre-Gaussian beams in a variety of mode orders. Each mode becomes doubled in frequency and transformed to a higher order. We show this to be a consequence of the phase-matching conditions. The experiment is consistent with the interpretation that the orbital angular momentum of the Laguerre-Gaussian mode is directly proportional to the azimuthal mode index l.
|Glasgow Author(s) Enlighten ID:||Padgett, Professor Miles|
|Authors:||Dholakia, K., Simpson, N.B., Padgett, M.J., and Allen, L.|
|College/School:||College of Science and Engineering > School of Physics and Astronomy|
|Journal Name:||Physical Review A: Atomic, Molecular and Optical Physics|
|Journal Abbr.:||Phys. Rev. A|
|Publisher:||American Physical Society|