Fast aberration-correcting algorithm for an SLM-based optical switch

Keisuke Sorimoto; Kenji Kintaka; Hitoshi Kawashima; Masahiko Mori; Toshifumi Hasama; Hiroshi Ishikawa; Hiroyuki Tsuda; Hisato Uetsuka

doi:10.1587/elex.7.1728

Fast aberration-correcting algorithm for an SLM-based optical switch

Keisuke Sorimoto, Kenji Kintaka, Hitoshi Kawashima, Masahiko Mori, Toshifumi Hasama, Hiroshi Ishikawa, Hiroyuki Tsuda, Hisato Uetsuka

Research output: Contribution to journal › Article

2 Citations (Scopus)

Abstract

We propose a novel method to efficiently correct the aberration in a free-space optical switch, where a spatial light modulator (SLM) is used to control wavefronts. A particle swarm optimization (PSO) method is applied to finding the optimum set of Zernike modes to compensate the aberration. We find out that the obtained coefficients of the lower-order modes and those of the higher-order ones exhibit a linear relationship when the optimization flow is interrupted by the local optima. We can drastically reduce the time for the calibration by using this relationship among the Zernike coefficients.

Original language	English
Pages (from-to)	1728-1734
Number of pages	7
Journal	IEICE Electronics Express
Volume	7
Issue number	23
DOIs	https://doi.org/10.1587/elex.7.1728
Publication status	Published - 2010 Dec 1

Keywords

Aberration correction
Optical switch
Particle swarm optimization
Spatial light modulator

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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Cite this

Sorimoto, K., Kintaka, K., Kawashima, H., Mori, M., Hasama, T., Ishikawa, H., Tsuda, H., & Uetsuka, H. (2010). Fast aberration-correcting algorithm for an SLM-based optical switch. IEICE Electronics Express, 7(23), 1728-1734. https://doi.org/10.1587/elex.7.1728

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