Parametric Amplification and Wavelength Conversion of Single- and Dual-Polarization DQPSK Signals
We demonstrate system experiments for polarization-independent parametric amplification and wavelength conversion of single-channel differential quadrature phase-shift keying (DQPSK) signals up to 112 Gbit/s. Dual-pump four-wave mixing in a highly nonlinear fiber is utilized to achieve up to 20 dB O...
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| Veröffentlicht in: | IEEE journal of selected topics in quantum electronics 2012-03, Vol.18 (2), p.988-995 |
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| container_title | IEEE journal of selected topics in quantum electronics |
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| creator | Richter, T. Elschner, R. Gandhe, A. Petermann, K. Schubert, C. |
| description | We demonstrate system experiments for polarization-independent parametric amplification and wavelength conversion of single-channel differential quadrature phase-shift keying (DQPSK) signals up to 112 Gbit/s. Dual-pump four-wave mixing in a highly nonlinear fiber is utilized to achieve up to 20 dB ON-OFF gain and conversion efficiency. The investigations are done in a polarization-dependent (straight) as well as in a polarization-independent (loop) configuration using single- and dual-polarization DQPSK. Particular attention is paid to the resulting optical signal-to-noise ratio penalties after the amplification. We ascribe this to pump-induced nonlinear phase noise. It is shown that this type of excess noise is increased for the loop configuration in comparison with the straight configuration due to Rayleigh backscattering and that it depends on the input polarization of the signal. Still, the penalty can be made negligible using high-quality pump sources. |
| doi_str_mv | 10.1109/JSTQE.2011.2155035 |
| format | Article |
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Dual-pump four-wave mixing in a highly nonlinear fiber is utilized to achieve up to 20 dB ON-OFF gain and conversion efficiency. The investigations are done in a polarization-dependent (straight) as well as in a polarization-independent (loop) configuration using single- and dual-polarization DQPSK. Particular attention is paid to the resulting optical signal-to-noise ratio penalties after the amplification. We ascribe this to pump-induced nonlinear phase noise. It is shown that this type of excess noise is increased for the loop configuration in comparison with the straight configuration due to Rayleigh backscattering and that it depends on the input polarization of the signal. Still, the penalty can be made negligible using high-quality pump sources.</description><identifier>ISSN: 1077-260X</identifier><identifier>EISSN: 1558-4542</identifier><identifier>DOI: 10.1109/JSTQE.2011.2155035</identifier><identifier>CODEN: IJSQEN</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Bit error rate ; Differential quadrature phase-shift keying (DQPSK) ; fiber nonlinear optics ; four-wave mixing (FWM) ; Gain ; Optical attenuators ; Optical noise ; Optical wavelength conversion ; Signal to noise ratio ; Wavelength measurement</subject><ispartof>IEEE journal of selected topics in quantum electronics, 2012-03, Vol.18 (2), p.988-995</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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Dual-pump four-wave mixing in a highly nonlinear fiber is utilized to achieve up to 20 dB ON-OFF gain and conversion efficiency. The investigations are done in a polarization-dependent (straight) as well as in a polarization-independent (loop) configuration using single- and dual-polarization DQPSK. Particular attention is paid to the resulting optical signal-to-noise ratio penalties after the amplification. We ascribe this to pump-induced nonlinear phase noise. It is shown that this type of excess noise is increased for the loop configuration in comparison with the straight configuration due to Rayleigh backscattering and that it depends on the input polarization of the signal. Still, the penalty can be made negligible using high-quality pump sources.</description><subject>Bit error rate</subject><subject>Differential quadrature phase-shift keying (DQPSK)</subject><subject>fiber nonlinear optics</subject><subject>four-wave mixing (FWM)</subject><subject>Gain</subject><subject>Optical attenuators</subject><subject>Optical noise</subject><subject>Optical wavelength conversion</subject><subject>Signal to noise ratio</subject><subject>Wavelength measurement</subject><issn>1077-260X</issn><issn>1558-4542</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1PwkAQhjdGExH9A3ppvBdnv9sjAb9JhIDR22You7iktLgtJPrrbYF4mjeZ55lMXkKuKfQohfTuZTqb3PcYUNpjVErg8oR0mpDEQgp22mTQOmYKPs_JRVWtACARCXQIjjHg2tbBZ1F_vcm98xnWviwiLBbRB-5sbotl_RUNymJnQ9VuShdNfbHMbbyHhlvM43GZY_C_B3U4GU9fG2ZZYF5dkjPXDHt1nF3y_nA_GzzFo7fH50F_FGdcQR0jcm5BpsIxmaQuU1rTjKUiFUqjc0iFQM7miXYcrbZzDgmfS7ngoDRlyYJ3ye3h7iaU31tb1WZVbkP7gUmZVloo0A3EDlAWyqoK1plN8GsMP4aCaZs0-yZN26Q5NtlINwfJW2v_BZlqxZXmf5Jhbz0</recordid><startdate>20120301</startdate><enddate>20120301</enddate><creator>Richter, T.</creator><creator>Elschner, R.</creator><creator>Gandhe, A.</creator><creator>Petermann, K.</creator><creator>Schubert, C.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| ispartof | IEEE journal of selected topics in quantum electronics, 2012-03, Vol.18 (2), p.988-995 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Bit error rate Differential quadrature phase-shift keying (DQPSK) fiber nonlinear optics four-wave mixing (FWM) Gain Optical attenuators Optical noise Optical wavelength conversion Signal to noise ratio Wavelength measurement |
| title | Parametric Amplification and Wavelength Conversion of Single- and Dual-Polarization DQPSK Signals |
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