Mode-Division Multiplexing Over 96 km of Few-Mode Fiber Using Coherent 6$\,\times\,$6 MIMO Processing

Ryf, Roland; Randel, Sebastian; Gnauck, A.H.; Bolle, C.; Sierra, A.; Mumtaz, Sami; Esmaeelpour, Mina; Burrows, E.C.; Essiambre, R.-J.; Winzer, Peter J.; Peckham, D. W.; McCurdy, A.H.; Lingle, Robert

doi:10.1109/jlt.2011.2174336

Cited by 955 publications

(381 citation statements)

References 19 publications

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“…In contrast, fibre communications are increasingly targeting multimode operation in conjunction with WDM to further scale the communication bandwidth transmitted per fibre 3 . Multimode communications in fibres have been demonstrated with space-division multiplexing in multi-core fibres [4][5][6][7][8] or mode-division multiplexing (MDM) in few-mode fibres [9][10][11][12][13][14][15][16][17] and have exploited each spatial mode as an independent channel. It is similarly of interest to attempt to incorporate the spatial-mode-parallelism degree of freedom into complex photonic-integrated circuits to introduce additional functionality and provide potential performance gains.…”

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confidence: 99%

WDM-compatible mode-division multiplexing on a silicon chip

et al. 2014

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Significant effort in optical-fibre research has been put in recent years into realizing mode-division multiplexing (MDM) in conjunction with wavelength-division multiplexing (WDM) to enable further scaling of the communication bandwidth per fibre. In contrast, almost all integrated photonics operate exclusively in the single-mode regime. MDM is rarely considered for integrated photonics because of the difficulty in coupling selectively to high-order modes, which usually results in high inter-modal crosstalk. Here we show the first microring-based demonstration of on-chip WDM-compatible mode-division multiplexing with low modal crosstalk and loss. Our approach can potentially increase the aggregate data rate by many times for on-chip ultrahigh bandwidth communications.

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confidence: 99%

WDM-compatible mode-division multiplexing on a silicon chip

et al. 2014

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“…1 In addition to the multiplexing technologies based on amplitude, wavelength [2][3][4] and light polarization 5,6 division, the orbital angular momentum (OAM) of optical vortex (OV) beams [7][8][9][10][11] provides a new degree of freedom for multiplexing to further increase the capacity of optical communications systems. OV beams have helical phase profiles in their electric fields that are proportional to the azimuthal phase term of exp(i'w), where ' is the eigenvalue of the OAM or the so-called topological charge and w is the azimuthal angle.…”

Section: Introductionmentioning

confidence: 99%

Massive individual orbital angular momentum channels for multiplexing enabled by Dammann gratings

et al. 2015

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Data transmission rates in optical communication systems are approaching the limits of conventional multiplexing methods. Orbital angular momentum (OAM) in optical vortex beams offers a new degree of freedom and the potential to increase the capacity of free-space optical communication systems, with OAM beams acting as information carriers for OAM division multiplexing (OAM-DM). We demonstrate independent collinear OAM channel generation, transmission and simultaneous detection using Dammann optical vortex gratings (DOVGs). We achieve 80/160 Tbit s 21 capacity with uniform power distributions along all channels, with 1600 individually modulated quadrature phase-shift keying (QPSK)/16-QAM data channels multiplexed by 10 OAM states, 80 wavelengths and two polarizations. DOVG-enabled OAM multiplexing technology removes the bottleneck of massive OAM state parallel detection and offers an opportunity to raise optical communication systems capacity to Pbit s 21 level.

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“…The orthogonal eigenmodes in a fiber are utilized as independent transmission channels in the MDM scheme. Thus far, to realize the MDM transmission, several novel optical fibers have been proposed such as the few-mode fiber (FMF) [2,3,4] which supports several modes by expanding the core diameter and strongly coupled multicore fiber (MCF) [5,6] which utilizes coupled modes supported in coupled single mode cores as independent transmission channels. On the other hand, weakly coupled MCFs have been proposed and demonstrated [7,8] to reduce the difference of group delay between coupled modes.…”

Section: Introductionmentioning

confidence: 99%

Serial branching mode multi/demultiplexer for homogeneous multi-core fibers

Watanabe

Kojima

Kimura

2016

IEICE Electron. Express

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Mode-evolutional serial branching mode multi/demultiplexer (SBMM) for homogeneous coupled multi-core fiber was demonstrated. This multi/multiplexer has some advantages such as the high fabrication tolerance and small wavelength and polarization dependences owing to the principle of adiabatic mode-evolutional phenomenon. The SBMM was fabricated using polymer materials. The selective four mode excitation with the low crosstalk of less than −10 dB and small wavelength dependence were realized within the CL-band.

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Mode-Division Multiplexing Over 96 km of Few-Mode Fiber Using Coherent 6$\,\times\,$6 MIMO Processing

Cited by 955 publications

References 19 publications

WDM-compatible mode-division multiplexing on a silicon chip

WDM-compatible mode-division multiplexing on a silicon chip

Massive individual orbital angular momentum channels for multiplexing enabled by Dammann gratings

Serial branching mode multi/demultiplexer for homogeneous multi-core fibers

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