Abstract

The recently proposed IEEE P802.3ba 100 Gb/s Ethernet (100 GbE) standard has adopted 100 Gb/s transmission over 10 and 40 km of single-mode fiber (SMF) using four-channel (4 × 25 Gb/s) wavelength-division-multiplexed (WDM) systems, which is neither cost-effective nor spectrally efficient compared with a single-channel system exploiting the combination of higher-order modulations and optical orthogonal frequency division multiplexing (O-OFDM). This paper demonstrates that a spectrally efficient (4 bits/s/Hz) single-channel 100 Gb/s system can be designed based on 64-quadrature amplitude modulation (64-QAM) and directly detected O-OFDM (DDO–OFDM) with an effective OFDM signal bandwidth of 24 GHz. Such a system can not only offer error-free (at bit error ratio of 10−3 without forward error correction) transmissions over the targeted maximum distance of 40 km of SMF but also achieves a power margin of 16 dB without any inline amplifier or dispersion compensation. This confirms that the proposed system has the potential to offer 100 Gb/s Ethernet for both point-to-point short communication links and 1:32 split passive optical networks (PONs). The bit rate of the system is then increased to 1 Tb/s employing WDM, and it is found to have equal potential for point-to-point short communication links and 1:16 split PON. Finally the reach limits of both of the proposed systems are quantified.

© 2011 OSA

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  2. M. Cvijetic, "Towards 100 GbE introduction: challenges and practical aspects," Proc. of the 10th Anniversary Int. Conf. on Transparent Optical Networks (ICTON 2008), Vol. 1, 22–26 June 2008, pp. 1‒4.
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  6. B. Koley, V. Vusirikala, C. Lam, and V. Gill, "100 GbE and beyond for warehouse scale computing," Proc. 15th OptoElectronics and Communications Conf. (OECC), July 2010, pp. 106‒107.
  7. C. Cole, "100-Gb/s and beyond Ethernet optical interfaces," Proc. 15th OptoElectronics and Communications Conf. (OECC), July 2010, pp. 108‒109.
  8. B. J. C. Schmidt, A. J. Lowery, and J. Armstrong, "Experimental demonstrations of electronic dispersion compensation for long haul transmission using direct-detection optical OFDM," J. Lightwave Technol. 26, 196‒203 (2008).
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  11. S. L. Jansen, I. Morita, T. C. W. Schenk, and H. Tanaka, "121.9-Gb/s PDM-OFDM transmission with 2-b/s/Hz spectral efficiency over 1000 km of SSMF," J. Lightwave Technol. 27, 177‒188 (2009).
    [CrossRef]
  12. B. Schmidt, Z. Zan, L. B. Du, and A. J. Lowery, "120 Gbit/s over 500-km using single-band polarization-multiplexed self-coherent optical OFDM," J. Lightwave Technol. 28, (4), 328‒335 (2010).
    [CrossRef]
  13. D. Qian, N. Cvijetic, J. Hu, and T. Wang, "108 Gb/s OFDMA-PON with polarization multiplexing and direct-detection," Optical Fiber Communication Conf. (OFC 2009), Mar. 2009, PDPD5.
  14. A. Al Amin, H. Takahashi, I. Morita, and H. Tanaka, "100-Gb/s direct-detection OFDM transmission on independent polarization tributaries," IEEE Photon. Technol. Lett. 22, (7), 468‒470 (2010).
    [CrossRef]
  15. M. Bakaul, A. Nirmalathas, C. Lim, D. Novak, and R. Waterhouse, "Spectrally efficient hybrid multiplexing and demultiplexing schemes toward the integration of microwave and millimeterwave radio-over-fiber systems in a WDM-PON infrastructure," J. Opt. Netw. 8, (5), 462‒470 (2009).
    [CrossRef]
  16. M. Bakaul, A. Nirmalathas, C. Lim, D. Novak, and R. Waterhouse, "Simplified multiplexing scheme for wavelength-interleaved DWDM millimeter-wave fiber-radio systems," Proc. European Conf. on Optical Communication (ECOC’2005), Vol. 4, Sept. 2005, pp. 809‒810.
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  18. J. Yu, X. Zhou, Y.-K. Huang, S. Gupta, M.-F. Huang, T. Wang, and P. Magill, "112.8-Gb/s PM-RZ-64QAM optical signal generation and transmission on a 12.5 GHz WDM grid," Optical Fiber Communication Conf. (OFC 2010), 2010, OThM1.
  19. S. Okamoto, T. Omiya, K. Kasai, M. Yoshida, and M. Nakazawa, "140 Gbit/s coherent optical transmission over 150 km with a 10 Gsymbol/s polarization-multiplexed 128 QAM signal," Optical Fiber Communication Conf. (OFC 2010), 2010, OThD5.
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  21. L. Mehedy, M. Bakaul, and A. Nirmalathas, "115.2 Gb/s optical OFDM transmission with 4 bit/s/Hz spectral efficiency using IEEE 802.11a OFDM PHY," Proc. 14th OptoElectronics and Communications Conf. (OECC), July 2009, pp. 1‒2.
  22. L. Mehedy, M. Bakaul, and A. Nirmalathas, "Spectrally-efficient 100 Gb/s transmission in next-generation optical access networks employing directly detected optical-OFDM," Proc. Australasian Telecommunication Networks and Applications Conf. (ATNAC), Oct. 2010, pp. 55‒59.
  23. I. Dedic, "56Gs/s ADC: enabling 100 GbE," Optical Fiber Communication Conf. (OFC 2010), 2010, OThT6.
  24. R. A. Shafik, M. S. Rahman, and A. H. M. R. Islam, "On the extended relationships among EVM, BER and SNR as performance metrics," Proc. 4th Int. Conf. on Electrical and Computer Engineering, Dec. 2006, pp. 408‒411.
  25. Z. Zan, M. Premaratne, and A. J. Lowery, "Laser RIN and linewidth requirements for direct detection optical OFDM," Conf. on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conf. and Photonic Applications Systems Technologies, 2008, CWN2.
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    [CrossRef]

2010

P. Drolet and L. Duplessis, "100G Ethernet and OTU4 testing challenges: from the lab to the field," IEEE Commun. Mag. 48, (7), 78‒82 (2010).
[CrossRef]

A. Al Amin, H. Takahashi, I. Morita, and H. Tanaka, "100-Gb/s direct-detection OFDM transmission on independent polarization tributaries," IEEE Photon. Technol. Lett. 22, (7), 468‒470 (2010).
[CrossRef]

B. Schmidt, Z. Zan, L. B. Du, and A. J. Lowery, "120 Gbit/s over 500-km using single-band polarization-multiplexed self-coherent optical OFDM," J. Lightwave Technol. 28, (4), 328‒335 (2010).
[CrossRef]

W.-R. Peng, "Analysis of laser phase noise effect in direct-detection optical OFDM transmission," J. Lightwave Technol. 28, (17), 2526‒2536 (2010).
[CrossRef]

2009

2008

Al Amin, A.

A. Al Amin, H. Takahashi, I. Morita, and H. Tanaka, "100-Gb/s direct-detection OFDM transmission on independent polarization tributaries," IEEE Photon. Technol. Lett. 22, (7), 468‒470 (2010).
[CrossRef]

Arbab, V. R.

Armstrong, J.

Bakaul, M.

M. Bakaul, A. Nirmalathas, C. Lim, D. Novak, and R. Waterhouse, "Spectrally efficient hybrid multiplexing and demultiplexing schemes toward the integration of microwave and millimeterwave radio-over-fiber systems in a WDM-PON infrastructure," J. Opt. Netw. 8, (5), 462‒470 (2009).
[CrossRef]

L. Mehedy, M. Bakaul, and A. Nirmalathas, "Spectrally-efficient 100 Gb/s transmission in next-generation optical access networks employing directly detected optical-OFDM," Proc. Australasian Telecommunication Networks and Applications Conf. (ATNAC), Oct. 2010, pp. 55‒59.

L. Mehedy, M. Bakaul, and A. Nirmalathas, "115.2 Gb/s optical OFDM transmission with 4 bit/s/Hz spectral efficiency using IEEE 802.11a OFDM PHY," Proc. 14th OptoElectronics and Communications Conf. (OECC), July 2009, pp. 1‒2.

M. Bakaul, A. Nirmalathas, C. Lim, D. Novak, and R. Waterhouse, "Simplified multiplexing scheme for wavelength-interleaved DWDM millimeter-wave fiber-radio systems," Proc. European Conf. on Optical Communication (ECOC’2005), Vol. 4, Sept. 2005, pp. 809‒810.

Buchali, F.

F. Buchali and R. Dischler, "Optimized sensitivity direct detection O-OFDM with multi level subcarrier modulation," Optical Fiber Communication Conf. and Expo. and the Nat. Fiber Optic Engineers Conf. (OFC/NFOEC 2008), 2008, OMU5.

Chen, S.

Y. Ma, Q. Yang, Y. Tang, S. Chen, and W. Shieh, "1-Tb/s per channel coherent optical OFDM transmission with subwavelength bandwidth access," Optical Fiber Communication Conf. (OFC 2009), Mar. 2009, PDPC1.

Chi, S.

Christen, L. C.

Cole, C.

C. Cole, "100-Gb/s and beyond Ethernet optical interfaces," Proc. 15th OptoElectronics and Communications Conf. (OECC), July 2010, pp. 108‒109.

Cvijetic, M.

M. Cvijetic, "Towards 100 GbE introduction: challenges and practical aspects," Proc. of the 10th Anniversary Int. Conf. on Transparent Optical Networks (ICTON 2008), Vol. 1, 22–26 June 2008, pp. 1‒4.

Cvijetic, N.

D. Qian, N. Cvijetic, J. Hu, and T. Wang, "108 Gb/s OFDMA-PON with polarization multiplexing and direct-detection," Optical Fiber Communication Conf. (OFC 2009), Mar. 2009, PDPD5.

D’Ambrosia, J.

J. D’Ambrosia, "40 gigabit Ethernet and 100 gigabit Ethernet: the development of a flexible architecture—[Commentary]," IEEE Commun. Mag. 47, (3), S8‒S14 (2009).
[CrossRef]

Dedic, I.

I. Dedic, "56Gs/s ADC: enabling 100 GbE," Optical Fiber Communication Conf. (OFC 2010), 2010, OThT6.

Dischler, R.

F. Buchali and R. Dischler, "Optimized sensitivity direct detection O-OFDM with multi level subcarrier modulation," Optical Fiber Communication Conf. and Expo. and the Nat. Fiber Optic Engineers Conf. (OFC/NFOEC 2008), 2008, OMU5.

Drolet, P.

P. Drolet and L. Duplessis, "100G Ethernet and OTU4 testing challenges: from the lab to the field," IEEE Commun. Mag. 48, (7), 78‒82 (2010).
[CrossRef]

Du, L. B.

Duelk, M.

Duplessis, L.

P. Drolet and L. Duplessis, "100G Ethernet and OTU4 testing challenges: from the lab to the field," IEEE Commun. Mag. 48, (7), 78‒82 (2010).
[CrossRef]

Feng, K.-M.

Gill, V.

B. Koley, V. Vusirikala, C. Lam, and V. Gill, "100 GbE and beyond for warehouse scale computing," Proc. 15th OptoElectronics and Communications Conf. (OECC), July 2010, pp. 106‒107.

Gupta, S.

J. Yu, X. Zhou, Y.-K. Huang, S. Gupta, M.-F. Huang, T. Wang, and P. Magill, "112.8-Gb/s PM-RZ-64QAM optical signal generation and transmission on a 12.5 GHz WDM grid," Optical Fiber Communication Conf. (OFC 2010), 2010, OThM1.

Gutierrez-Castrejon, R.

Hu, J.

D. Qian, N. Cvijetic, J. Hu, and T. Wang, "108 Gb/s OFDMA-PON with polarization multiplexing and direct-detection," Optical Fiber Communication Conf. (OFC 2009), Mar. 2009, PDPD5.

Huang, M.-F.

J. Yu, X. Zhou, Y.-K. Huang, S. Gupta, M.-F. Huang, T. Wang, and P. Magill, "112.8-Gb/s PM-RZ-64QAM optical signal generation and transmission on a 12.5 GHz WDM grid," Optical Fiber Communication Conf. (OFC 2010), 2010, OThM1.

Huang, Y.-K.

J. Yu, X. Zhou, Y.-K. Huang, S. Gupta, M.-F. Huang, T. Wang, and P. Magill, "112.8-Gb/s PM-RZ-64QAM optical signal generation and transmission on a 12.5 GHz WDM grid," Optical Fiber Communication Conf. (OFC 2010), 2010, OThM1.

Islam, A. H. M. R.

R. A. Shafik, M. S. Rahman, and A. H. M. R. Islam, "On the extended relationships among EVM, BER and SNR as performance metrics," Proc. 4th Int. Conf. on Electrical and Computer Engineering, Dec. 2006, pp. 408‒411.

Jansen, S. L.

Kasai, K.

S. Okamoto, T. Omiya, K. Kasai, M. Yoshida, and M. Nakazawa, "140 Gbit/s coherent optical transmission over 150 km with a 10 Gsymbol/s polarization-multiplexed 128 QAM signal," Optical Fiber Communication Conf. (OFC 2010), 2010, OThD5.

Koley, B.

B. Koley, V. Vusirikala, C. Lam, and V. Gill, "100 GbE and beyond for warehouse scale computing," Proc. 15th OptoElectronics and Communications Conf. (OECC), July 2010, pp. 106‒107.

Lam, C.

B. Koley, V. Vusirikala, C. Lam, and V. Gill, "100 GbE and beyond for warehouse scale computing," Proc. 15th OptoElectronics and Communications Conf. (OECC), July 2010, pp. 106‒107.

Lim, C.

M. Bakaul, A. Nirmalathas, C. Lim, D. Novak, and R. Waterhouse, "Spectrally efficient hybrid multiplexing and demultiplexing schemes toward the integration of microwave and millimeterwave radio-over-fiber systems in a WDM-PON infrastructure," J. Opt. Netw. 8, (5), 462‒470 (2009).
[CrossRef]

M. Bakaul, A. Nirmalathas, C. Lim, D. Novak, and R. Waterhouse, "Simplified multiplexing scheme for wavelength-interleaved DWDM millimeter-wave fiber-radio systems," Proc. European Conf. on Optical Communication (ECOC’2005), Vol. 4, Sept. 2005, pp. 809‒810.

Lowery, A. J.

Ma, Y.

Y. Ma, Q. Yang, Y. Tang, S. Chen, and W. Shieh, "1-Tb/s per channel coherent optical OFDM transmission with subwavelength bandwidth access," Optical Fiber Communication Conf. (OFC 2009), Mar. 2009, PDPC1.

Magill, P.

J. Yu, X. Zhou, Y.-K. Huang, S. Gupta, M.-F. Huang, T. Wang, and P. Magill, "112.8-Gb/s PM-RZ-64QAM optical signal generation and transmission on a 12.5 GHz WDM grid," Optical Fiber Communication Conf. (OFC 2010), 2010, OThM1.

Mehedy, L.

L. Mehedy, M. Bakaul, and A. Nirmalathas, "115.2 Gb/s optical OFDM transmission with 4 bit/s/Hz spectral efficiency using IEEE 802.11a OFDM PHY," Proc. 14th OptoElectronics and Communications Conf. (OECC), July 2009, pp. 1‒2.

L. Mehedy, M. Bakaul, and A. Nirmalathas, "Spectrally-efficient 100 Gb/s transmission in next-generation optical access networks employing directly detected optical-OFDM," Proc. Australasian Telecommunication Networks and Applications Conf. (ATNAC), Oct. 2010, pp. 55‒59.

Morita, I.

A. Al Amin, H. Takahashi, I. Morita, and H. Tanaka, "100-Gb/s direct-detection OFDM transmission on independent polarization tributaries," IEEE Photon. Technol. Lett. 22, (7), 468‒470 (2010).
[CrossRef]

S. L. Jansen, I. Morita, T. C. W. Schenk, and H. Tanaka, "121.9-Gb/s PDM-OFDM transmission with 2-b/s/Hz spectral efficiency over 1000 km of SSMF," J. Lightwave Technol. 27, 177‒188 (2009).
[CrossRef]

Nakazawa, M.

S. Okamoto, T. Omiya, K. Kasai, M. Yoshida, and M. Nakazawa, "140 Gbit/s coherent optical transmission over 150 km with a 10 Gsymbol/s polarization-multiplexed 128 QAM signal," Optical Fiber Communication Conf. (OFC 2010), 2010, OThD5.

Nirmalathas, A.

M. Bakaul, A. Nirmalathas, C. Lim, D. Novak, and R. Waterhouse, "Spectrally efficient hybrid multiplexing and demultiplexing schemes toward the integration of microwave and millimeterwave radio-over-fiber systems in a WDM-PON infrastructure," J. Opt. Netw. 8, (5), 462‒470 (2009).
[CrossRef]

L. Mehedy, M. Bakaul, and A. Nirmalathas, "Spectrally-efficient 100 Gb/s transmission in next-generation optical access networks employing directly detected optical-OFDM," Proc. Australasian Telecommunication Networks and Applications Conf. (ATNAC), Oct. 2010, pp. 55‒59.

L. Mehedy, M. Bakaul, and A. Nirmalathas, "115.2 Gb/s optical OFDM transmission with 4 bit/s/Hz spectral efficiency using IEEE 802.11a OFDM PHY," Proc. 14th OptoElectronics and Communications Conf. (OECC), July 2009, pp. 1‒2.

M. Bakaul, A. Nirmalathas, C. Lim, D. Novak, and R. Waterhouse, "Simplified multiplexing scheme for wavelength-interleaved DWDM millimeter-wave fiber-radio systems," Proc. European Conf. on Optical Communication (ECOC’2005), Vol. 4, Sept. 2005, pp. 809‒810.

Novak, D.

M. Bakaul, A. Nirmalathas, C. Lim, D. Novak, and R. Waterhouse, "Spectrally efficient hybrid multiplexing and demultiplexing schemes toward the integration of microwave and millimeterwave radio-over-fiber systems in a WDM-PON infrastructure," J. Opt. Netw. 8, (5), 462‒470 (2009).
[CrossRef]

M. Bakaul, A. Nirmalathas, C. Lim, D. Novak, and R. Waterhouse, "Simplified multiplexing scheme for wavelength-interleaved DWDM millimeter-wave fiber-radio systems," Proc. European Conf. on Optical Communication (ECOC’2005), Vol. 4, Sept. 2005, pp. 809‒810.

Okamoto, S.

S. Okamoto, T. Omiya, K. Kasai, M. Yoshida, and M. Nakazawa, "140 Gbit/s coherent optical transmission over 150 km with a 10 Gsymbol/s polarization-multiplexed 128 QAM signal," Optical Fiber Communication Conf. (OFC 2010), 2010, OThD5.

Omiya, T.

S. Okamoto, T. Omiya, K. Kasai, M. Yoshida, and M. Nakazawa, "140 Gbit/s coherent optical transmission over 150 km with a 10 Gsymbol/s polarization-multiplexed 128 QAM signal," Optical Fiber Communication Conf. (OFC 2010), 2010, OThD5.

Peng, W.-R.

Premaratne, M.

Z. Zan, M. Premaratne, and A. J. Lowery, "Laser RIN and linewidth requirements for direct detection optical OFDM," Conf. on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conf. and Photonic Applications Systems Technologies, 2008, CWN2.

Qian, D.

D. Qian, N. Cvijetic, J. Hu, and T. Wang, "108 Gb/s OFDMA-PON with polarization multiplexing and direct-detection," Optical Fiber Communication Conf. (OFC 2009), Mar. 2009, PDPD5.

Rahman, M. S.

R. A. Shafik, M. S. Rahman, and A. H. M. R. Islam, "On the extended relationships among EVM, BER and SNR as performance metrics," Proc. 4th Int. Conf. on Electrical and Computer Engineering, Dec. 2006, pp. 408‒411.

Schenk, T. C. W.

Schmidt, B.

Schmidt, B. J. C.

Shafik, R. A.

R. A. Shafik, M. S. Rahman, and A. H. M. R. Islam, "On the extended relationships among EVM, BER and SNR as performance metrics," Proc. 4th Int. Conf. on Electrical and Computer Engineering, Dec. 2006, pp. 408‒411.

Shamee, B.

Shieh, W.

Y. Ma, Q. Yang, Y. Tang, S. Chen, and W. Shieh, "1-Tb/s per channel coherent optical OFDM transmission with subwavelength bandwidth access," Optical Fiber Communication Conf. (OFC 2009), Mar. 2009, PDPC1.

Takahashi, H.

A. Al Amin, H. Takahashi, I. Morita, and H. Tanaka, "100-Gb/s direct-detection OFDM transmission on independent polarization tributaries," IEEE Photon. Technol. Lett. 22, (7), 468‒470 (2010).
[CrossRef]

Tanaka, H.

A. Al Amin, H. Takahashi, I. Morita, and H. Tanaka, "100-Gb/s direct-detection OFDM transmission on independent polarization tributaries," IEEE Photon. Technol. Lett. 22, (7), 468‒470 (2010).
[CrossRef]

S. L. Jansen, I. Morita, T. C. W. Schenk, and H. Tanaka, "121.9-Gb/s PDM-OFDM transmission with 2-b/s/Hz spectral efficiency over 1000 km of SSMF," J. Lightwave Technol. 27, 177‒188 (2009).
[CrossRef]

Tang, Y.

Y. Ma, Q. Yang, Y. Tang, S. Chen, and W. Shieh, "1-Tb/s per channel coherent optical OFDM transmission with subwavelength bandwidth access," Optical Fiber Communication Conf. (OFC 2009), Mar. 2009, PDPC1.

Vusirikala, V.

B. Koley, V. Vusirikala, C. Lam, and V. Gill, "100 GbE and beyond for warehouse scale computing," Proc. 15th OptoElectronics and Communications Conf. (OECC), July 2010, pp. 106‒107.

Wang, T.

D. Qian, N. Cvijetic, J. Hu, and T. Wang, "108 Gb/s OFDMA-PON with polarization multiplexing and direct-detection," Optical Fiber Communication Conf. (OFC 2009), Mar. 2009, PDPD5.

J. Yu, X. Zhou, Y.-K. Huang, S. Gupta, M.-F. Huang, T. Wang, and P. Magill, "112.8-Gb/s PM-RZ-64QAM optical signal generation and transmission on a 12.5 GHz WDM grid," Optical Fiber Communication Conf. (OFC 2010), 2010, OThM1.

Waterhouse, R.

M. Bakaul, A. Nirmalathas, C. Lim, D. Novak, and R. Waterhouse, "Spectrally efficient hybrid multiplexing and demultiplexing schemes toward the integration of microwave and millimeterwave radio-over-fiber systems in a WDM-PON infrastructure," J. Opt. Netw. 8, (5), 462‒470 (2009).
[CrossRef]

M. Bakaul, A. Nirmalathas, C. Lim, D. Novak, and R. Waterhouse, "Simplified multiplexing scheme for wavelength-interleaved DWDM millimeter-wave fiber-radio systems," Proc. European Conf. on Optical Communication (ECOC’2005), Vol. 4, Sept. 2005, pp. 809‒810.

Willner, A. E.

Wu, X.

Yang, J.-Y.

Yang, Q.

Y. Ma, Q. Yang, Y. Tang, S. Chen, and W. Shieh, "1-Tb/s per channel coherent optical OFDM transmission with subwavelength bandwidth access," Optical Fiber Communication Conf. (OFC 2009), Mar. 2009, PDPC1.

Yoshida, M.

S. Okamoto, T. Omiya, K. Kasai, M. Yoshida, and M. Nakazawa, "140 Gbit/s coherent optical transmission over 150 km with a 10 Gsymbol/s polarization-multiplexed 128 QAM signal," Optical Fiber Communication Conf. (OFC 2010), 2010, OThD5.

Yu, J.

J. Yu, X. Zhou, Y.-K. Huang, S. Gupta, M.-F. Huang, T. Wang, and P. Magill, "112.8-Gb/s PM-RZ-64QAM optical signal generation and transmission on a 12.5 GHz WDM grid," Optical Fiber Communication Conf. (OFC 2010), 2010, OThM1.

Zan, Z.

B. Schmidt, Z. Zan, L. B. Du, and A. J. Lowery, "120 Gbit/s over 500-km using single-band polarization-multiplexed self-coherent optical OFDM," J. Lightwave Technol. 28, (4), 328‒335 (2010).
[CrossRef]

Z. Zan, M. Premaratne, and A. J. Lowery, "Laser RIN and linewidth requirements for direct detection optical OFDM," Conf. on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conf. and Photonic Applications Systems Technologies, 2008, CWN2.

Zhou, X.

J. Yu, X. Zhou, Y.-K. Huang, S. Gupta, M.-F. Huang, T. Wang, and P. Magill, "112.8-Gb/s PM-RZ-64QAM optical signal generation and transmission on a 12.5 GHz WDM grid," Optical Fiber Communication Conf. (OFC 2010), 2010, OThM1.

IEEE Commun. Mag.

P. Drolet and L. Duplessis, "100G Ethernet and OTU4 testing challenges: from the lab to the field," IEEE Commun. Mag. 48, (7), 78‒82 (2010).
[CrossRef]

J. D’Ambrosia, "40 gigabit Ethernet and 100 gigabit Ethernet: the development of a flexible architecture—[Commentary]," IEEE Commun. Mag. 47, (3), S8‒S14 (2009).
[CrossRef]

IEEE Photon. Technol. Lett.

A. Al Amin, H. Takahashi, I. Morita, and H. Tanaka, "100-Gb/s direct-detection OFDM transmission on independent polarization tributaries," IEEE Photon. Technol. Lett. 22, (7), 468‒470 (2010).
[CrossRef]

J. Lightwave Technol.

J. Opt. Netw.

Other

M. Cvijetic, "Towards 100 GbE introduction: challenges and practical aspects," Proc. of the 10th Anniversary Int. Conf. on Transparent Optical Networks (ICTON 2008), Vol. 1, 22–26 June 2008, pp. 1‒4.

IEEE P802.3ba Task Force, [Online]. Available: http://www.ieee802.org/3/ba

B. Koley, V. Vusirikala, C. Lam, and V. Gill, "100 GbE and beyond for warehouse scale computing," Proc. 15th OptoElectronics and Communications Conf. (OECC), July 2010, pp. 106‒107.

C. Cole, "100-Gb/s and beyond Ethernet optical interfaces," Proc. 15th OptoElectronics and Communications Conf. (OECC), July 2010, pp. 108‒109.

M. Bakaul, A. Nirmalathas, C. Lim, D. Novak, and R. Waterhouse, "Simplified multiplexing scheme for wavelength-interleaved DWDM millimeter-wave fiber-radio systems," Proc. European Conf. on Optical Communication (ECOC’2005), Vol. 4, Sept. 2005, pp. 809‒810.

F. Buchali and R. Dischler, "Optimized sensitivity direct detection O-OFDM with multi level subcarrier modulation," Optical Fiber Communication Conf. and Expo. and the Nat. Fiber Optic Engineers Conf. (OFC/NFOEC 2008), 2008, OMU5.

J. Yu, X. Zhou, Y.-K. Huang, S. Gupta, M.-F. Huang, T. Wang, and P. Magill, "112.8-Gb/s PM-RZ-64QAM optical signal generation and transmission on a 12.5 GHz WDM grid," Optical Fiber Communication Conf. (OFC 2010), 2010, OThM1.

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Figures (13)

Fig. 1
Fig. 1

(Color online) Schematic diagram of 100 Gb/s Ethernet optical interfaces. (a) IEEE P802.3ba four-channel 100 Gb/s Ethernet standard, (b) proposed optical OFDM based single-channel 100 Gb/s Ethernet.

Fig. 2
Fig. 2

(Color online) 100 Gb/s DDO–OFDM simulation setup.

Fig. 3
Fig. 3

Subcarrier allocation for data and pilots.

Fig. 4
Fig. 4

(Color online) BER versus EVM in an optical back-to-back setup with 0 Hz laser linewidth and 0 km of fiber along with the theoretical BERs as continuous lines. EVM thresholds for different BERs can be found from this figure.

Fig. 5
Fig. 5

Spectra of the 100 Gb/s DDO–OFDM signal: (a) RF spectra before the RF up-converter (I branch), (b) RF up-converted OFDM signal, (c) OSSB + C formatted DDO–OFDM signal, (d) optical spectrum before direct detection, (e) RF spectrum after direct detection, (f) received RF spectrum after RF down-converter (I branch).

Fig. 6
Fig. 6

(Color online) Performance of the 100 Gb/s DDO–OFDM system over 40 km of SMF with a 1 MHz laser linewidth.

Fig. 7
Fig. 7

(Color online) Effect of laser linewidth on the 100 Gb/s DDO–OFDM signal over 40 km of SMF.

Fig. 8
Fig. 8

Spectra of the 1 Tb/s DDO–OFDM signal after 40 km of SMF: (a) optical spectrum of 10 channels, (b) demultiplexed center channel (at 193.1 THz) before direct detection, (c) RF spectrum after direct detection, (d) received RF spectrum after RF down-converter and low-pass filter (I branch).

Fig. 9
Fig. 9

(Color online) Performance of 1 Tb/s DDO–OFDM signal over 40 km of SMF.

Fig. 10
Fig. 10

(Color online) Performance of the 1 Tb/s DDO–OFDM signal over 40 km of SMF with different transmission power per channel.

Fig. 11
Fig. 11

(Color online) Receiver sensitivity (at the FEC limit) and achievable power margin of the 1 Tb/s DDO–OFDM signal over 40 km of SMF with different transmission power per channel.

Fig. 12
Fig. 12

(Color online) Reach limitation of the proposed single-channel 100 Gb/s DDO–OFDM system and effect of fiber impairments.

Fig. 13
Fig. 13

(Color online) Reach limitation of the proposed WDM 1 Tb/s DDO–OFDM system and effect of fiber impairments.

Tables (1)

Tables Icon

Table I Modulation-Dependent Normalization Factor