Journal
OPTICS LETTERS
Volume 34, Issue 7, Pages 923-925Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.34.000923
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- Grainger Foundation for Emerging Technologies
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The numerical calculation of traditional coherent-mode representations (CMRs) involves an eigenvalue decomposition of the cross-spectral density matrix. An efficient alternative modal representation of a partially coherent field can be realized using an LDV dagger decomposition. Storage requirements are reduced by an amount on the order of the ratio between the coherence length and the source width. The efficiency of calculations requiring a CMR (e.g., numerical evaluation of partially coherent propagation effects) may thus be significantly improved, particularly when low-coherence fields are considered. (C) 2009 Optical Society of America
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