| Presentation | 2007-07-20 Reduction of phase noise of DQPSK signals by the use of fiber-based amplitude regenerator Yasutaka MORIOKA, Masayuki MATSUMOTO, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Quality of multilevel phase-shift-keying (PSK) signals such as QPSK and DQPSK is easily impaired by phase noise. Realization of signal regenerator which can reduce phase noise is desired to enable long transmission distance of such signals. In this paper a signal regenerator for DQPSK signals is proposed. In the regenerator, the noise on the signal is eliminated by the use of fiber-based all-optical 2R amplitude regenerators after the DQPSK signal is converted to OOK signals through the delay interferometers. The regenerated OOK signals then remodulate the phase of clock pulses by the effect of cross-phase modulation in nonlinear fibers. The effect of phase noise reduction is studied by theoretical analysis and numerical simulation. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | DQPSK signal / all-optical signal regenerator / fiber nonlinearity |
| Paper # | OCS2007-26 |
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| Conference Information | |
| Committee | OCS |
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| Conference Date | 2007/7/13(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Optical Communication Systems (OCS) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Reduction of phase noise of DQPSK signals by the use of fiber-based amplitude regenerator |
| Sub Title (in English) | |
| Keyword(1) | DQPSK signal |
| Keyword(2) | all-optical signal regenerator |
| Keyword(3) | fiber nonlinearity |
| 1st Author's Name | Yasutaka MORIOKA |
| 1st Author's Affiliation | Graduate School of Engineering, Osaka University() |
| 2nd Author's Name | Masayuki MATSUMOTO |
| 2nd Author's Affiliation | Graduate School of Engineering, Osaka University |
| Date | 2007-07-20 |
| Paper # | OCS2007-26 |
| Volume (vol) | vol.107 |
| Number (no) | 153 |
| Page | pp.pp.- |
| #Pages | 5 |
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