Compensation for multimode fiber dispersion by adaptive optics
Optics Letters, Vol. 30, Issue 22, pp. 2985-2987 (2005)
http://dx.doi.org/10.1364/OL.30.002985
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Abstract
Adaptive optics is used to compensate for modal dispersion in digital transmission through multimode fiber (MMF). At the transmitter, a spatial light modulator (SLM) controls the launched field pattern. An estimate of intersymbol interference (ISI) caused by modal dispersion is formed at the receiver and fed back to the transmitter, where the SLM is adjusted to minimize ISI. Error-free transmission of 10 Gbit/s non-return-to-zero signals through standard 50 µm graded-index MMFs up to 11.1 km long is demonstrated. It is shown that a single SLM can compensate for modal dispersion across a 600 GHz bandwidth.
© 2005 Optical Society of America
OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(060.4510) Fiber optics and optical communications : Optical communications
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
ToC Category:
Fiber Optics and Optical Communications
Citation
Xiling Shen, Joseph M. Kahn, and Mark A. Horowitz, "Compensation for multimode fiber dispersion by adaptive optics," Opt. Lett. 30, 2985-2987 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-22-2985
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