## Experimental demonstration of 400 Gb/s optical PDM-OFDM superchannel multicasting by multiple-pump FWM in HNLF |

Optics Express, Vol. 21, Issue 8, pp. 9915-9922 (2013)

http://dx.doi.org/10.1364/OE.21.009915

Acrobat PDF (5124 KB)

### Abstract

OFDM superchannel that consists of multiple low speed individually-modulated subbands has been proposed for high speed optical transmission and flexible optical networks with multiple data rate accommodation. In this work, we investigate the feasibility of superchannel multicasting and verify it utilizing multiple-pump FWM in highly nonlinear fiber. 400 Gb/s PDM-OFDM superchannel that consists of ten subbands is successfully delivered from one superchannel to up to seven different superchannels with error free operation. Pump power and signal power are also optimized to achieve the optimal multicasting performance.

© 2013 OSA

## 1. Introduction

4. E. Torrengo, R. Cigliutti, G. Bosco, G. Gavioli, A. Alaimo, A. Arena, V. Curri, F. Forghieri, S. Piciaccia, M. Belmonte, A. Brinciotti, A. L. Porta, S. Abrate, and P. Poggiolini, “Transoceanic PM-QPSK terabit superchannel transmission experiments at baud-rate subcarrier spacing,” in *Proc. ECOC**2010*, Paper We.7.C.2.

5. A. J. Lowery, L. Du, and J. Armstrong, “Orthogonal frequency division multiplexing for adaptive dispersion compensation in long haul WDM systems,” in *Proc. OFC**2006*, Paper PDP39. [CrossRef]

7. W. Shieh, H. Bao, and Y. Tang, “Coherent optical OFDM: theory and design,” Opt. Express **16**(2), 841–859 (2008). [CrossRef] [PubMed]

8. H. Takahashi, K. Takeshima, I. Morita, and H. Tanaka, “400-Gbit/s optical OFDM transmission over 80 km in 50-GHz frequency grid,” in *Proc. ECOC**2010*, Paper Tu.3.C.1. [CrossRef]

15. C. Zhao, Y. Chen, S. Zhang, J. Li, F. Zhang, L. Zhu, and Z. Chen, “Experimental demonstration of 1.08 Tb/s PDM CO-SCFDM transmission over 3170 km SSMF,” Opt. Express **20**(2), 787–793 (2012). [CrossRef] [PubMed]

18. R. K. Pankaj, “Wavelength requirements for multicasting in all-optical networks,” IEEE/ACM Trans. Netw. **7**(3), 414–424 (1999). [CrossRef]

19. G. N. Rouskas, “Optical layer multicast: Rationale, building blocks, and challenges,” IEEE Netw. **17**(1), 60–65 (2003). [CrossRef]

## 2. Operation principle

## 3. Experiment setup and results

^{−1}/km, an attenuation coefficient of 0.939 dB/km, a zero-dispersion wavelength of 1572 nm and a dispersion slope of 0.03 ps/nm

^{2}/km. The specs of the HNLF can be optimized to improve multicasting performance. The optimization will be investigated in our future work. After FWM in HNLF, seven OFDM superchannels (superchannel 1 to 7) are generated at the output of the HNLF. After amplification, we apply a Finisar Waveshaper 4000S based on liquid crystals on silicon (LCoS) as the SBSS. Waveshaper 4000S is an arbitrary-shape optical filter and it can provide fine control of filter amplitude. The minimum filtering bandwidth of the waveshaper is 10-GHz and the frequency setting resolution is 1-GHz. The bandwidth of the waveshaper is set to 110 GHz in our experiment. Then the filtered signal is send to the receiver for coherent detection.

^{−3}for standard 7% FEC coding, the OSNR penalty of the 6 newly generated superchannels is about 2.3 dB while superchannel 4 only suffers an OSNR penalty of 0.8 dB.

## 4. Conclusions

## Acknowledgment

## References and links

1. | X. Liu and S. Chandrasekhar, “Beyond 1-Tb/s superchannel transmission,” in |

2. | J. Yu, Z. Dong, X. Xiao, Y. Xia, S. Shi, C. Ge, W. Zhou, N. Chi, and Y. Shao, “Generation, transmission and coherent detection of 11.2 Tb/s (112x100Gb/s) single source optical OFDM superchannel,” in |

3. | S. Chandrasekhar and X. Liu, “Terabit superchannels for high spectral efficiency transmission,” in |

4. | E. Torrengo, R. Cigliutti, G. Bosco, G. Gavioli, A. Alaimo, A. Arena, V. Curri, F. Forghieri, S. Piciaccia, M. Belmonte, A. Brinciotti, A. L. Porta, S. Abrate, and P. Poggiolini, “Transoceanic PM-QPSK terabit superchannel transmission experiments at baud-rate subcarrier spacing,” in |

5. | A. J. Lowery, L. Du, and J. Armstrong, “Orthogonal frequency division multiplexing for adaptive dispersion compensation in long haul WDM systems,” in |

6. | J. Armstrong, “OFDM for Optical Communications,” J. Lightwave Technol. |

7. | W. Shieh, H. Bao, and Y. Tang, “Coherent optical OFDM: theory and design,” Opt. Express |

8. | H. Takahashi, K. Takeshima, I. Morita, and H. Tanaka, “400-Gbit/s optical OFDM transmission over 80 km in 50-GHz frequency grid,” in |

9. | S. Chandrasekhar and X. Liu, “400-Gb/s and 1-Tb/s superchannels using multi-carrier no-guard-interval coherent OFDM,” in |

10. | X. Liu, S. Chandrasekhar, and B. Zhu, “Transmission of a 448-Gb/s reduced-guard-interval CO-OFDM signal with a 60-GHz optical bandwidth over 2000 km of ULAF and five 80-GHz-grid ROADMs,” in |

11. | Y. Ma, Q. Yang, Y. Tang, S. Chen, and W. Shieh, “1-Tb/s single-channel coherent optical OFDM transmission over 600-km SSMF fiber with subwavelength bandwidth access,” Opt. Express |

12. | R. Dischler and F. Buchali, “Transmission of 1.2 Tb/s continuous waveband PDM-OFDM-FDM signal with spectral efficiency of 3.3 bit/s/Hz over 400 km of SSMF,” in |

13. | Q. Yang, S. You, G. Shen, Z. He, M. Luo, Z. Yang, S. Yu, and W. Shieh, “Experimental demonstration of Tb/s optical transport network based on CO-OFDM superchannel with heterogeneous ROADM nodes supporting single-fiber bidirectional communications,” in |

14. | Q. Yang, Z. He, Z. Yang, S. Yu, X. Yi, and W. Shieh, “Coherent optical DFT-Spread OFDM transmission using orthogonal band multiplexing,” Opt. Express |

15. | C. Zhao, Y. Chen, S. Zhang, J. Li, F. Zhang, L. Zhu, and Z. Chen, “Experimental demonstration of 1.08 Tb/s PDM CO-SCFDM transmission over 3170 km SSMF,” Opt. Express |

16. | X. Zhang, J. Wei, and C. Qiao, “On fundamental issues in IP over WDM multicast,” in |

17. | C. Y. Li, P. K. A. Wai, X. C. Yuan, and V. O. K. Li, “Multicasting in deflection-routed all-optical packet-switched networks,” in |

18. | R. K. Pankaj, “Wavelength requirements for multicasting in all-optical networks,” IEEE/ACM Trans. Netw. |

19. | G. N. Rouskas, “Optical layer multicast: Rationale, building blocks, and challenges,” IEEE Netw. |

20. | D. Wang, T.-H. Cheng, Y.-K. Yeo, Y. Wang, Z. Xu, J. Liu, and G. Xiao, “Optical wavelength multicasting based on four wave mixing in highly nonlinear fiber with reduced polarization sensitivity,” in |

21. | G. W. Lu, K. S. Abedin, and T. Miyazaki, “DPSK multicast using multiple-pump FWM in Bismuths highly nonlinear fiber with high multicast efficiency,” Opt. Express |

22. | M. Pu, H. Hu, H. Ji, M. Galili, L. K. Oxenløwe, P. Jeppesen, J. M. Hvam, and K. Yvind, “One-to-six WDM multicasting of DPSK signals based on dual-pump four-wave mixing in a silicon waveguide,” Opt. Express |

23. | C. S. Bres, A. O. J. Wiberg, B. P. P. Kuo, E. Myslivets, and S. Radic, “320 Gb/s RZ-DPSK data multicasting in self seeded parametric mixer,” in |

24. | Z. Chen, L. Yan, W. Pan, B. Luo, A. Yi, Y. Guo, and J. H. Lee, “One-to-Nine multicasting of RZ-DPSK based on cascaded four-wave mixing in a highly nonlinear fiber without stimulated brillouin scattering suppression,” IEEE Photon. Technol. Lett. |

25. | D. Wang, T.-H. Cheng, Y.-K. Yeo, Y. Wang, Z. Xu, and G. Xiao, “7×10-Gbit/s all-optical wavelength multicast based on cross-gain modulation and cascaded four-wave mixing effects in an SOA using single pump laser source, ” in |

26. | O. F. Yilmaz, S. R. Nuccio, X. Wang, J. Wang, I. Fazal, J.-Y. Yang, X. Wu, and A. E. Willner, “Experimental demonstration of 8-fold multicasting of a 100 Gb/s polarization-multiplexed OOK signal using highly nonlinear fiber,” in |

27. | J. Lu, Z. Dong, L. Chen, and J. Yu, “Polarization insensitive wavelength conversion based on four-wave mixing for polarization multiplexing signal in high-nonlinear fiber,” Opt. Commun. |

**OCIS Codes**

(060.2330) Fiber optics and optical communications : Fiber optics communications

(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing

(060.4255) Fiber optics and optical communications : Networks, multicast

**ToC Category:**

Fiber Optics and Optical Communications

**History**

Original Manuscript: January 2, 2013

Revised Manuscript: March 3, 2013

Manuscript Accepted: April 8, 2013

Published: April 15, 2013

**Citation**

Yuanxiang Chen, Juhao Li, Paikun Zhu, Bingli Guo, Lixin Zhu, Yongqi He, and Zhangyuan Chen, "Experimental demonstration of 400 Gb/s optical PDM-OFDM superchannel multicasting by multiple-pump FWM in HNLF," Opt. Express **21**, 9915-9922 (2013)

http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-8-9915

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### References

- X. Liu and S. Chandrasekhar, “Beyond 1-Tb/s superchannel transmission,” in Proceedings of IEEE Photonics Conference (Institute of Electrical and Electronics Engineers, Arlington, 2011), Paper ThBB1.
- J. Yu, Z. Dong, X. Xiao, Y. Xia, S. Shi, C. Ge, W. Zhou, N. Chi, and Y. Shao, “Generation, transmission and coherent detection of 11.2 Tb/s (112x100Gb/s) single source optical OFDM superchannel,” in Proc. OFC2011, Paper PDPA6.
- S. Chandrasekhar and X. Liu, “Terabit superchannels for high spectral efficiency transmission,” in Proc. ECOC2010, Paper Tu.3.C.5. [CrossRef]
- E. Torrengo, R. Cigliutti, G. Bosco, G. Gavioli, A. Alaimo, A. Arena, V. Curri, F. Forghieri, S. Piciaccia, M. Belmonte, A. Brinciotti, A. L. Porta, S. Abrate, and P. Poggiolini, “Transoceanic PM-QPSK terabit superchannel transmission experiments at baud-rate subcarrier spacing,” in Proc. ECOC2010, Paper We.7.C.2.
- A. J. Lowery, L. Du, and J. Armstrong, “Orthogonal frequency division multiplexing for adaptive dispersion compensation in long haul WDM systems,” in Proc. OFC2006, Paper PDP39. [CrossRef]
- J. Armstrong, “OFDM for Optical Communications,” J. Lightwave Technol.27(3), 189–204 (2009). [CrossRef]
- W. Shieh, H. Bao, and Y. Tang, “Coherent optical OFDM: theory and design,” Opt. Express16(2), 841–859 (2008). [CrossRef] [PubMed]
- H. Takahashi, K. Takeshima, I. Morita, and H. Tanaka, “400-Gbit/s optical OFDM transmission over 80 km in 50-GHz frequency grid,” in Proc. ECOC2010, Paper Tu.3.C.1. [CrossRef]
- S. Chandrasekhar and X. Liu, “400-Gb/s and 1-Tb/s superchannels using multi-carrier no-guard-interval coherent OFDM,” in Proc. OECC2010, Paper 8B3–4.
- X. Liu, S. Chandrasekhar, and B. Zhu, “Transmission of a 448-Gb/s reduced-guard-interval CO-OFDM signal with a 60-GHz optical bandwidth over 2000 km of ULAF and five 80-GHz-grid ROADMs,” in Proc. OFC2010, Paper PDPC2.
- Y. Ma, Q. Yang, Y. Tang, S. Chen, and W. Shieh, “1-Tb/s single-channel coherent optical OFDM transmission over 600-km SSMF fiber with subwavelength bandwidth access,” Opt. Express17(11), 9421–9427 (2009). [CrossRef] [PubMed]
- R. Dischler and F. Buchali, “Transmission of 1.2 Tb/s continuous waveband PDM-OFDM-FDM signal with spectral efficiency of 3.3 bit/s/Hz over 400 km of SSMF,” in Proc. OFC2009, paper PDPC2.
- Q. Yang, S. You, G. Shen, Z. He, M. Luo, Z. Yang, S. Yu, and W. Shieh, “Experimental demonstration of Tb/s optical transport network based on CO-OFDM superchannel with heterogeneous ROADM nodes supporting single-fiber bidirectional communications,” in Proc. OFC2012, Paper JTh2A.47. [CrossRef]
- Q. Yang, Z. He, Z. Yang, S. Yu, X. Yi, and W. Shieh, “Coherent optical DFT-Spread OFDM transmission using orthogonal band multiplexing,” Opt. Express20(3), 2379–2385 (2012). [CrossRef] [PubMed]
- C. Zhao, Y. Chen, S. Zhang, J. Li, F. Zhang, L. Zhu, and Z. Chen, “Experimental demonstration of 1.08 Tb/s PDM CO-SCFDM transmission over 3170 km SSMF,” Opt. Express20(2), 787–793 (2012). [CrossRef] [PubMed]
- X. Zhang, J. Wei, and C. Qiao, “On fundamental issues in IP over WDM multicast,” in Proceedings of Int. Conf. Computer, Communications and Networks (Institute of Electrical and Electronics Engineers, Boston, 1999), pp.84–90.
- C. Y. Li, P. K. A. Wai, X. C. Yuan, and V. O. K. Li, “Multicasting in deflection-routed all-optical packet-switched networks,” in Proceedings of IEEE Global Telecommunications Conference (Institute of Electrical and Electronics Engineers, Taipei, 2002), pp.2842–2846.
- R. K. Pankaj, “Wavelength requirements for multicasting in all-optical networks,” IEEE/ACM Trans. Netw.7(3), 414–424 (1999). [CrossRef]
- G. N. Rouskas, “Optical layer multicast: Rationale, building blocks, and challenges,” IEEE Netw.17(1), 60–65 (2003). [CrossRef]
- D. Wang, T.-H. Cheng, Y.-K. Yeo, Y. Wang, Z. Xu, J. Liu, and G. Xiao, “Optical wavelength multicasting based on four wave mixing in highly nonlinear fiber with reduced polarization sensitivity,” in Proc. OFC2010, Paper JWA47.
- G. W. Lu, K. S. Abedin, and T. Miyazaki, “DPSK multicast using multiple-pump FWM in Bismuths highly nonlinear fiber with high multicast efficiency,” Opt. Express16(26), 21964–21970 (2008). [CrossRef] [PubMed]
- M. Pu, H. Hu, H. Ji, M. Galili, L. K. Oxenløwe, P. Jeppesen, J. M. Hvam, and K. Yvind, “One-to-six WDM multicasting of DPSK signals based on dual-pump four-wave mixing in a silicon waveguide,” Opt. Express19(24), 24448–24453 (2011). [CrossRef] [PubMed]
- C. S. Bres, A. O. J. Wiberg, B. P. P. Kuo, E. Myslivets, and S. Radic, “320 Gb/s RZ-DPSK data multicasting in self seeded parametric mixer,” in Proc. OFC2011, Paper OThC7.
- Z. Chen, L. Yan, W. Pan, B. Luo, A. Yi, Y. Guo, and J. H. Lee, “One-to-Nine multicasting of RZ-DPSK based on cascaded four-wave mixing in a highly nonlinear fiber without stimulated brillouin scattering suppression,” IEEE Photon. Technol. Lett.24(20), 1882–1885 (2012). [CrossRef]
- D. Wang, T.-H. Cheng, Y.-K. Yeo, Y. Wang, Z. Xu, and G. Xiao, “7×10-Gbit/s all-optical wavelength multicast based on cross-gain modulation and cascaded four-wave mixing effects in an SOA using single pump laser source, ” in Proc. OFC2011, Paper JWA40.
- O. F. Yilmaz, S. R. Nuccio, X. Wang, J. Wang, I. Fazal, J.-Y. Yang, X. Wu, and A. E. Willner, “Experimental demonstration of 8-fold multicasting of a 100 Gb/s polarization-multiplexed OOK signal using highly nonlinear fiber,” in Proc. OFC2010, Paper OWP8.
- J. Lu, Z. Dong, L. Chen, and J. Yu, “Polarization insensitive wavelength conversion based on four-wave mixing for polarization multiplexing signal in high-nonlinear fiber,” Opt. Commun.282(7), 1274–1280 (2009). [CrossRef]

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