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| Titel: |
Optical soliton communication system using erbium-doped fiber amplifiers |
| Auteur: |
Suzuki, Kazunori Yamada, Eiichi Kubota, Hirokazu Nakazawa, Masataka |
| Verschenen in: |
Fiber & integrated optics |
| Paginering: | Jaargang 13 (1994) nr. 1 pagina's 45-64 |
| Jaar: |
1994 |
| Inhoud: |
Ultra-high speed optical soliton transmissions over 1000 km achieved through the use of lumped erbium-doped fiber amplifiers are described in detail. In a 10 Gbit/s experiment, a bit error rate (BER) of below 1 × 10-13 was obtained with 220-1 pseudorandom patterns and the power penalty was less than 0.1 dB. In a 20 Gbit/s experiment optical multiplexing and demultiplexing techniques were used and a BER of below 1 × 10-12 was obtained with 223-1 pseudorandom patterns under a penalty-free condition. A new technique for sending soliton pulses over ultralong distances is presented, which incorporates synchronous shaping and retiming using a high-speed optical modulator. Some experimental results for a transmission over 1 million km at 7.2 ∼ 10 Gbit/s are described. This technique enables us to overcome the Gordon-Haus limit, the accumulation of amplified spontaneous emission (ASE), and the effect of interaction forces between adjacent solitons. It is also shown by computer runs and a simple analysis that a one hundred million km soliton transmission is possible by means of soliton transmission controls in the time and frequency domains. This means that limit-free transmission is possible. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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