Abstract

We report experimental validations of an adaptive 2nd order Volterra equalization scheme for cost effective IMDD OFDM systems. This equalization scheme was applied to both uplink and downlink transmission. Downlink settings were optimized for maximum bitrate where we achieved 34Gb/s over 10km of SSMF using an EML with 10GHz bandwidth. For the uplink, maximum reach was optimized achieving 14Gb/s using a low-cost DML with 2.5GHz bandwidth.

© 2013 OSA

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  1. W. Shieh and I. Djordjevic, OFDM for Optical Communications (Academic Press, 2009).
  2. X. Q. Jin, E. Hugues-Salas, R. P. Giddings, J. L. Wei, J. Groenewald, and J. M. Tang, “First real-time experimental demonstrations of 11.25Gb/s optical OFDMA PONs with adaptive dynamic bandwidth allocation,” Opt. Express19(21), 20557–20570 (2011).
    [CrossRef] [PubMed]
  3. P. S. Chow, J. M. Cioffi, and J. A. C. Bingham, “A practical discrete multitone transceiver loading algorithm for data transmission over spectrally shaped channels,” IEEE Trans. Communications43(2), 773–775 (1995).
    [CrossRef]
  4. C. Wei, “Small-signal analysis of OOFDM signal transmission with directly modulated laser and direct detection,” Opt. Lett.36(2), 151–153 (2011).
    [CrossRef] [PubMed]
  5. J. L. Wei, C. Sánchez, R. P. Giddings, E. Hugues-Salas, and J. M. Tang, “Significant improvements in optical power budgets of real-time optical OFDM PON systems,” Opt. Express18(20), 20732–207459 (2010).
    [CrossRef] [PubMed]
  6. W. Yan, B. Liu, L. Li, Z. Tao, T. Takahara, and J. C. Rasmussen, “Nonlinear Distortion and DSP-based Compensation in Metro and Access Networks using Discrete Multi-tone,” in Proceedings of ECOC’2012 (Mo1B2).
  7. D. Hsu, C. Wei, H. Chen, C. Song, I. Lu, and J. Chen, “74.4% SSII Cancellation in an EAM-based OFDM-IMDD Transmission System,” in Proceedings of OFC/NFOEC’2013 (OM2C7).
  8. C. Xia and W. Rosenkranz, “Nonlinear Electrical Equalization for Different Modulation Formats With Optical Filtering,” J. Lightwave Technol.25(4), 996–1001 (2007).
    [CrossRef]
  9. W. Yan, T. Tanaka, B. Liu, M. Nishihara, L. Li, T. Takahara, Z. Tao, J. C. Rasmussen, and T. Drenski, “100 Gb/s Optical IM-DD Transmission with 10G-Class Devices Enabled by 65 GSamples/s CMOS DAC Core,” in Proceedings of OFC/NFOEC’2013 (OM3H1).

2011

2010

2007

1995

P. S. Chow, J. M. Cioffi, and J. A. C. Bingham, “A practical discrete multitone transceiver loading algorithm for data transmission over spectrally shaped channels,” IEEE Trans. Communications43(2), 773–775 (1995).
[CrossRef]

Bingham, J. A. C.

P. S. Chow, J. M. Cioffi, and J. A. C. Bingham, “A practical discrete multitone transceiver loading algorithm for data transmission over spectrally shaped channels,” IEEE Trans. Communications43(2), 773–775 (1995).
[CrossRef]

Chen, H.

D. Hsu, C. Wei, H. Chen, C. Song, I. Lu, and J. Chen, “74.4% SSII Cancellation in an EAM-based OFDM-IMDD Transmission System,” in Proceedings of OFC/NFOEC’2013 (OM2C7).

Chen, J.

D. Hsu, C. Wei, H. Chen, C. Song, I. Lu, and J. Chen, “74.4% SSII Cancellation in an EAM-based OFDM-IMDD Transmission System,” in Proceedings of OFC/NFOEC’2013 (OM2C7).

Chow, P. S.

P. S. Chow, J. M. Cioffi, and J. A. C. Bingham, “A practical discrete multitone transceiver loading algorithm for data transmission over spectrally shaped channels,” IEEE Trans. Communications43(2), 773–775 (1995).
[CrossRef]

Cioffi, J. M.

P. S. Chow, J. M. Cioffi, and J. A. C. Bingham, “A practical discrete multitone transceiver loading algorithm for data transmission over spectrally shaped channels,” IEEE Trans. Communications43(2), 773–775 (1995).
[CrossRef]

Djordjevic, I.

W. Shieh and I. Djordjevic, OFDM for Optical Communications (Academic Press, 2009).

Drenski, T.

W. Yan, T. Tanaka, B. Liu, M. Nishihara, L. Li, T. Takahara, Z. Tao, J. C. Rasmussen, and T. Drenski, “100 Gb/s Optical IM-DD Transmission with 10G-Class Devices Enabled by 65 GSamples/s CMOS DAC Core,” in Proceedings of OFC/NFOEC’2013 (OM3H1).

Giddings, R. P.

Groenewald, J.

Hsu, D.

D. Hsu, C. Wei, H. Chen, C. Song, I. Lu, and J. Chen, “74.4% SSII Cancellation in an EAM-based OFDM-IMDD Transmission System,” in Proceedings of OFC/NFOEC’2013 (OM2C7).

Hugues-Salas, E.

Jin, X. Q.

Li, L.

W. Yan, B. Liu, L. Li, Z. Tao, T. Takahara, and J. C. Rasmussen, “Nonlinear Distortion and DSP-based Compensation in Metro and Access Networks using Discrete Multi-tone,” in Proceedings of ECOC’2012 (Mo1B2).

W. Yan, T. Tanaka, B. Liu, M. Nishihara, L. Li, T. Takahara, Z. Tao, J. C. Rasmussen, and T. Drenski, “100 Gb/s Optical IM-DD Transmission with 10G-Class Devices Enabled by 65 GSamples/s CMOS DAC Core,” in Proceedings of OFC/NFOEC’2013 (OM3H1).

Liu, B.

W. Yan, T. Tanaka, B. Liu, M. Nishihara, L. Li, T. Takahara, Z. Tao, J. C. Rasmussen, and T. Drenski, “100 Gb/s Optical IM-DD Transmission with 10G-Class Devices Enabled by 65 GSamples/s CMOS DAC Core,” in Proceedings of OFC/NFOEC’2013 (OM3H1).

W. Yan, B. Liu, L. Li, Z. Tao, T. Takahara, and J. C. Rasmussen, “Nonlinear Distortion and DSP-based Compensation in Metro and Access Networks using Discrete Multi-tone,” in Proceedings of ECOC’2012 (Mo1B2).

Lu, I.

D. Hsu, C. Wei, H. Chen, C. Song, I. Lu, and J. Chen, “74.4% SSII Cancellation in an EAM-based OFDM-IMDD Transmission System,” in Proceedings of OFC/NFOEC’2013 (OM2C7).

Nishihara, M.

W. Yan, T. Tanaka, B. Liu, M. Nishihara, L. Li, T. Takahara, Z. Tao, J. C. Rasmussen, and T. Drenski, “100 Gb/s Optical IM-DD Transmission with 10G-Class Devices Enabled by 65 GSamples/s CMOS DAC Core,” in Proceedings of OFC/NFOEC’2013 (OM3H1).

Rasmussen, J. C.

W. Yan, T. Tanaka, B. Liu, M. Nishihara, L. Li, T. Takahara, Z. Tao, J. C. Rasmussen, and T. Drenski, “100 Gb/s Optical IM-DD Transmission with 10G-Class Devices Enabled by 65 GSamples/s CMOS DAC Core,” in Proceedings of OFC/NFOEC’2013 (OM3H1).

W. Yan, B. Liu, L. Li, Z. Tao, T. Takahara, and J. C. Rasmussen, “Nonlinear Distortion and DSP-based Compensation in Metro and Access Networks using Discrete Multi-tone,” in Proceedings of ECOC’2012 (Mo1B2).

Rosenkranz, W.

Sánchez, C.

Shieh, W.

W. Shieh and I. Djordjevic, OFDM for Optical Communications (Academic Press, 2009).

Song, C.

D. Hsu, C. Wei, H. Chen, C. Song, I. Lu, and J. Chen, “74.4% SSII Cancellation in an EAM-based OFDM-IMDD Transmission System,” in Proceedings of OFC/NFOEC’2013 (OM2C7).

Takahara, T.

W. Yan, B. Liu, L. Li, Z. Tao, T. Takahara, and J. C. Rasmussen, “Nonlinear Distortion and DSP-based Compensation in Metro and Access Networks using Discrete Multi-tone,” in Proceedings of ECOC’2012 (Mo1B2).

W. Yan, T. Tanaka, B. Liu, M. Nishihara, L. Li, T. Takahara, Z. Tao, J. C. Rasmussen, and T. Drenski, “100 Gb/s Optical IM-DD Transmission with 10G-Class Devices Enabled by 65 GSamples/s CMOS DAC Core,” in Proceedings of OFC/NFOEC’2013 (OM3H1).

Tanaka, T.

W. Yan, T. Tanaka, B. Liu, M. Nishihara, L. Li, T. Takahara, Z. Tao, J. C. Rasmussen, and T. Drenski, “100 Gb/s Optical IM-DD Transmission with 10G-Class Devices Enabled by 65 GSamples/s CMOS DAC Core,” in Proceedings of OFC/NFOEC’2013 (OM3H1).

Tang, J. M.

Tao, Z.

W. Yan, B. Liu, L. Li, Z. Tao, T. Takahara, and J. C. Rasmussen, “Nonlinear Distortion and DSP-based Compensation in Metro and Access Networks using Discrete Multi-tone,” in Proceedings of ECOC’2012 (Mo1B2).

W. Yan, T. Tanaka, B. Liu, M. Nishihara, L. Li, T. Takahara, Z. Tao, J. C. Rasmussen, and T. Drenski, “100 Gb/s Optical IM-DD Transmission with 10G-Class Devices Enabled by 65 GSamples/s CMOS DAC Core,” in Proceedings of OFC/NFOEC’2013 (OM3H1).

Wei, C.

C. Wei, “Small-signal analysis of OOFDM signal transmission with directly modulated laser and direct detection,” Opt. Lett.36(2), 151–153 (2011).
[CrossRef] [PubMed]

D. Hsu, C. Wei, H. Chen, C. Song, I. Lu, and J. Chen, “74.4% SSII Cancellation in an EAM-based OFDM-IMDD Transmission System,” in Proceedings of OFC/NFOEC’2013 (OM2C7).

Wei, J. L.

Xia, C.

Yan, W.

W. Yan, T. Tanaka, B. Liu, M. Nishihara, L. Li, T. Takahara, Z. Tao, J. C. Rasmussen, and T. Drenski, “100 Gb/s Optical IM-DD Transmission with 10G-Class Devices Enabled by 65 GSamples/s CMOS DAC Core,” in Proceedings of OFC/NFOEC’2013 (OM3H1).

W. Yan, B. Liu, L. Li, Z. Tao, T. Takahara, and J. C. Rasmussen, “Nonlinear Distortion and DSP-based Compensation in Metro and Access Networks using Discrete Multi-tone,” in Proceedings of ECOC’2012 (Mo1B2).

IEEE Trans. Communications

P. S. Chow, J. M. Cioffi, and J. A. C. Bingham, “A practical discrete multitone transceiver loading algorithm for data transmission over spectrally shaped channels,” IEEE Trans. Communications43(2), 773–775 (1995).
[CrossRef]

J. Lightwave Technol.

Opt. Express

Opt. Lett.

Proceedings of ECOC’2012

W. Yan, B. Liu, L. Li, Z. Tao, T. Takahara, and J. C. Rasmussen, “Nonlinear Distortion and DSP-based Compensation in Metro and Access Networks using Discrete Multi-tone,” in Proceedings of ECOC’2012 (Mo1B2).

Proceedings of OFC/NFOEC’2013

D. Hsu, C. Wei, H. Chen, C. Song, I. Lu, and J. Chen, “74.4% SSII Cancellation in an EAM-based OFDM-IMDD Transmission System,” in Proceedings of OFC/NFOEC’2013 (OM2C7).

W. Yan, T. Tanaka, B. Liu, M. Nishihara, L. Li, T. Takahara, Z. Tao, J. C. Rasmussen, and T. Drenski, “100 Gb/s Optical IM-DD Transmission with 10G-Class Devices Enabled by 65 GSamples/s CMOS DAC Core,” in Proceedings of OFC/NFOEC’2013 (OM3H1).

Other

W. Shieh and I. Djordjevic, OFDM for Optical Communications (Academic Press, 2009).

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Figures (6)

Fig. 1
Fig. 1

Experimentally received spectra for the dowlink using the EML (left) and uplink using the DML (right). Transmitted signal was circular 16QAM DMT with the same power for all sub-carriers. The effect of Volterra equalization on out-of-band SSII can be seen.

Fig. 2
Fig. 2

Volterra filter in the OFDM digital signal path (left). Volterra equalizer schematic for N=2 and M=2 (right).

Fig. 3
Fig. 3

Experimental set-up for direct-modulation direct-detection OFDM transmission for EML and DML EO converters.

Fig. 4
Fig. 4

BER results for EML transmission after 10km SSMF with and without Volterra equalization. Squares and diamonds correspond to: bit-and-power loading without equalization, and the same signal after equalization.

Fig. 5
Fig. 5

BER results for DML transmission after 38km SSMF with and without Volterra equalization. Squares, diamonds and crosses correspond to: bit-and-power loading without equalization, with equalization, new power loading for the equalized signal, respectively.

Fig. 6
Fig. 6

BER vs. ROP for DML transmission after 38km SSMF with and without Volterra equalization. Squares, crosses and stars correspond to: bit-and-power loading without equalization, new power loading for the equalized signal and higher bitrate bit-and-power loading with equalization, respectively.

Equations (1)

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y [ n ] = L u + N L ( u T u T )

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