Spatial mode discrimination using second harmonic generation

V. Delaubert; M. Lassen; D. R.N. Pulford; H. A. Bachor; C. C. Harb

doi:10.1364/OE.15.005815

Spatial mode discrimination using second harmonic generation

V. Delaubert^*, M. Lassen, D. R.N. Pulford, H. A. Bachor, C. C. Harb

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

Second harmonic generation (SHG) can be used as a technique for controlling the spatial mode structure of optical beams. We demonstrate experimentally the generation of higher-order spatial modes, and the possibility to use nonlinear phase matching as a predictable and robust technique for the conversion of transverse electric modes of the second harmonic output. The details of this effect are well described by our wave propagation models, which include mode dependent phase shifts. This is, to our knowledge, the first detailed study of spatial mode conversion in SHG. We discuss potential applications of this effect.

Original language	English
Pages (from-to)	5815-5826
Number of pages	12
Journal	Optics Express
Volume	15
Issue number	9
DOIs	https://doi.org/10.1364/OE.15.005815
Publication status	Published - 30 Apr 2007

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AU - Lassen, M.

AU - Pulford, D. R.N.

AU - Bachor, H. A.

AU - Harb, C. C.

PY - 2007/4/30

Y1 - 2007/4/30

N2 - Second harmonic generation (SHG) can be used as a technique for controlling the spatial mode structure of optical beams. We demonstrate experimentally the generation of higher-order spatial modes, and the possibility to use nonlinear phase matching as a predictable and robust technique for the conversion of transverse electric modes of the second harmonic output. The details of this effect are well described by our wave propagation models, which include mode dependent phase shifts. This is, to our knowledge, the first detailed study of spatial mode conversion in SHG. We discuss potential applications of this effect.

AB - Second harmonic generation (SHG) can be used as a technique for controlling the spatial mode structure of optical beams. We demonstrate experimentally the generation of higher-order spatial modes, and the possibility to use nonlinear phase matching as a predictable and robust technique for the conversion of transverse electric modes of the second harmonic output. The details of this effect are well described by our wave propagation models, which include mode dependent phase shifts. This is, to our knowledge, the first detailed study of spatial mode conversion in SHG. We discuss potential applications of this effect.

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JO - Optics Express

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Spatial mode discrimination using second harmonic generation

Abstract

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