Fast Transmission Matrix Measurement of a Multimode Optical Fiber With Common Path Reference

We report an improved scheme for the measurement of the transmission matrix of multimode waveguides in which the reference field copropagates with the signal wave. The performance of the technique is demonstrated with the measurement of a 1.6-m long multimode optical fiber guiding 104 LP modes at 10...

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Bibliographic Details
Published in:IEEE photonics journal 2018-10, Vol.10 (5), p.1-6
Main Authors: Florentin, Raphael, Kermene, Vincent, Desfarges-Berthelemot, Agnes, Barthelemy, Alain
Format: Article
Language:English
Subjects:
beam control
Focusing
Multimode optical fiber
Optical fiber polarization
Optical fibers
Optical variables measurement
Optics
Physics
Scattering
Transmission line matrix methods
wavefront shaping
Waveguides
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Summary:We report an improved scheme for the measurement of the transmission matrix of multimode waveguides in which the reference field copropagates with the signal wave. The performance of the technique is demonstrated with the measurement of a 1.6-m long multimode optical fiber guiding 104 LP modes at 1064 nm. The transmission matrix permitted efficient focusing of the light delivered at the fiber output as well as shaping in the fiber's transmission channels.
ISSN:1943-0655
1943-0647
DOI:10.1109/JPHOT.2018.2866681