Reduction of modal noise in local area network

N. I. Petrov

doi:10.1117/12.2317911

6 June 2018 Reduction of modal noise in local area network

N. I. Petrov

Proceedings Volume 10774, Optical Technologies in Telecommunications 2017; 107740D (2018) https://doi.org/10.1117/12.2317911
Event: XV International Scientific and Technical Conference on Optical Technologies in Telecommunications, 2017, Kazan, Russian Federation

Abstract

The influence of regular longitudinally inhomogeneous sections of the waveguides on the level of modal noise, and its dependence on the degree of both spatial and temporal coherence of the radiation source are investigated using the mode approach. The way to reduce modal noise at the joints of waveguides with matching sections between the waveguides is proposed. It is shown that under the matching condition the complete suppression of modal noise due to the joint is possible. A way to reduce modal noise by using random microlens arrays and holographic diffusers is also proposed.

Citation Download Citation

N. I. Petrov "Reduction of modal noise in local area network", Proc. SPIE 10774, Optical Technologies in Telecommunications 2017, 107740D (6 June 2018); https://doi.org/10.1117/12.2317911

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KEYWORDS

Waveguides

Optical fibers

Dispersion

Temporal coherence

Local area networks

Correlation function

Diffusers

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