Principal Modes in Graded-Index Multimode Fiber in Presence of Spatial- and Polarization-Mode Coupling

Shemirani, Mahdieh B.; Mao, Wei; Panicker, Rahul Alex; Kahn, Joseph M.

doi:10.1109/jlt.2008.2005066

Cited by 173 publications

(120 citation statements)

References 22 publications

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“…The MFDs measured with LCDH are plotted as closed symbols. The four curves were numerically obtained from Hermite-Gaussian functions [18]. These curves were in good agreement with both the open and closed symbols.…”

Section: Mfd Measurement With Low-coherence Digital Holographysupporting

confidence: 76%

MFD Measurement of a Six-Mode Fiber with Low-Coherence Digital Holography

Wakayama

Taga

Tsuritani

2017

IEICE Trans. Commun.

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Section: Mfd Measurement With Low-coherence Digital Holographysupporting

confidence: 76%

MFD Measurement of a Six-Mode Fiber with Low-Coherence Digital Holography

Wakayama

Taga

Tsuritani

2017

IEICE Trans. Commun.

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“…Modelling of the pulse propagation [8][9][10]17,18 is difficult, and multiple approaches have been taken. These include rewriting the coupled modes in terms of principal modes [19][20][21] , variational solution of a nonlinear wave equation 11,12,22 , and analysis of optical-wave thermalization and condensation 23 . From a modal perspective, soliton formation requires nonlinear coupling between the modes to cancel the effects of modal dispersion [8][9][10] .…”

mentioning

confidence: 99%

Optical solitons in graded-index multimode fibres

2013

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Solitons are non-dispersing localized waves that occur in diverse physical settings, including liquids, optical fibres, plasmas and condensed matter. They attract interest owing to their particle-like nature and are useful for applications such as in telecommunications. A variety of optical solitons have been observed, but versions that involve both spatial and temporal degrees of freedom are rare. Optical fibres designed to support multiple transverse modes offer opportunities to study wave propagation in a setting that is intermediate between single-mode fibre and free-space propagation. Here we report the observation of optical solitons and soliton self-frequency shifting in graded-index multimode fibre. These wave packets can be modelled as multicomponent solitons, or as solitons of the Gross-Pitaevskii equation. Solitons in graded-index fibres should enable increased data rates in low-cost telecommunications systems, are pertinent to space-division multiplexing, and can offer a new route to mode-area scaling for high-power lasers and transmission.

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“…This coupling is caused by inner fiber imperfections, such as index inhomogeneities, core ellipticity and eccentricity, as well as external perturbations like bends or strain [11]. Despite these difficulties, successful fiber communication demonstrations have made use of specially designed fibers [12,13], and more recently using cylindrical vector modes [14,15].…”

Section: Introductionmentioning

confidence: 99%

Fiber propagation of vector modes

Ndagano¹,

Brüning²,

McLaren³

et al. 2015

Opt. Express

107

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Abstract:Here we employ both dynamic and geometric phase control of light to produce radially modulated vector-vortex modes, the natural modes of optical fibers. We then measure these modes using a vector modal decomposition set-up as well as a tomography measurement, the latter providing a degree of the non-separability of the vector states, akin to an entanglement measure for quantum states. We demonstrate the versatility of the approach by creating the natural modes of a step-index fiber, which are known to exhibit strong mode coupling, and measure the modal cross-talk and non-separability decay during propagation. Our approach will be useful in mode division multiplexing schemes for transport of classical and quantum states.

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Principal Modes in Graded-Index Multimode Fiber in Presence of Spatial- and Polarization-Mode Coupling

Cited by 173 publications

References 22 publications

MFD Measurement of a Six-Mode Fiber with Low-Coherence Digital Holography

MFD Measurement of a Six-Mode Fiber with Low-Coherence Digital Holography

Optical solitons in graded-index multimode fibres

Fiber propagation of vector modes

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