机构:
Novosibirsk State Univ, Novosibirsk 630090, Russia
Russian Acad Sci, Inst Computat Technol, Siberian Branch, Novosibirsk 630090, RussiaNovosibirsk State Univ, Novosibirsk 630090, Russia
Yushko, O. V.
[1
,2
]
Redyuk, A. A.
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机构:
Novosibirsk State Univ, Novosibirsk 630090, Russia
Russian Acad Sci, Inst Computat Technol, Siberian Branch, Novosibirsk 630090, RussiaNovosibirsk State Univ, Novosibirsk 630090, Russia
Redyuk, A. A.
[1
,2
]
Fedoruk, M. P.
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机构:
Novosibirsk State Univ, Novosibirsk 630090, Russia
Russian Acad Sci, Inst Computat Technol, Siberian Branch, Novosibirsk 630090, RussiaNovosibirsk State Univ, Novosibirsk 630090, Russia
Fedoruk, M. P.
[1
,2
]
Turitsyn, S. K.
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Novosibirsk State Univ, Novosibirsk 630090, Russia
Russian Acad Sci, Inst Computat Technol, Siberian Branch, Novosibirsk 630090, Russia
Aston Inst Photon Technol, Birmingham B4 7ET, W Midlands, EnglandNovosibirsk State Univ, Novosibirsk 630090, Russia
Turitsyn, S. K.
[1
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]
机构:
[1] Novosibirsk State Univ, Novosibirsk 630090, Russia
The data transmission in coherent fiber-optical communication lines using solitons with a variable phase is studied. It is shown that nonlinear coherent structures (solitons) can be applied for effective signal transmission over a long distance using amplitude and optical-phase keying of information. The optimum ratio of the pulse width to the bit slot at which the spectral efficiency (transmitted bits per second and hertz) is maximal is determined. It is shown that soliton fiber-optical communication lines can ensure data transmission at a higher spectral efficiency as compared to traditional communication lines and at a high signal-to-noise ratio.