Abstract

An open converged metro-access network approach allows for sharing optical layer resources like fibers and optical spectrum among different services and operators. We demonstrated experimentally the feasibility of such a concept by the simultaneous operation of multiple services showing different modulation formats and multiplexing techniques. Flexible access nodes are implemented including semiconductor optical amplifiers to create a transparent and reconfigurable optical ring network. The impact of cascaded optical amplifiers on the signal quality is studied along the ring. In addition, the influence of high power rival signals in the same waveband and in the same fiber is analyzed.

© 2014 Optical Society of America

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References

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  1. T. Pfeiffer, “New avenues of revenues - open access and infrastructure virtualization,” in Optical Fibre Conference (OFC) (2012), paper NTh4E.
    [Crossref]
  2. T. Pfeiffer, “Converged heterogeneous optical metro-access networks,” in European Conference on Optical Communication (ECOC) (2010), paper Tu.5.B.1.
    [Crossref]
  3. Open access regulation in the digital economy, GSR 2011 discussion paper, ITU, http://www.itu.int/ITU-D/treg/Events/Seminars/GSR/GSR11/documents/03-Broadband%20Policies-E.pdf (2011).
  4. OECD, “Broadband networks and open access,” OECD Digital Economy Papers, No. 218 (OECD, 2013).
  5. ITU-T Rec. 984.x, IEEE P802.3 ah/av.
  6. “Next-Generation PON- Part I – III,” IEEE Commun. Mag. 47, 43–64 (2009).
  7. R. Bonk, G. Huber, T. Vallaitis, S. Koenig, R. Schmogrow, D. Hillerkuss, R. Brenot, F. Lelarge, G. H. Duan, S. Sygletos, C. Koos, W. Freude, and J. Leuthold, “Linear semiconductor optical amplifiers for amplification of advanced modulation formats,” Opt. Express 20(9), 9657–9672 (2012).
    [Crossref] [PubMed]
  8. S. Koenig, R. Bonk, R. Schmogrow, A. Josten, D. Karnick, H. Schmuck, W. Poehlmann, T. Pfeiffer, C. Koos, W. Freude, and J. Leuthold, “Cascade of 4 SOAs with 448 Gbit/s (224 Gbit/s) dual channel dual polarization 16QAM (QPSK) for high-capacity business paths in converged metro-access networks,” in Optical Fibre Conference (OFC) (2013), paper OTh4A.3.
    [Crossref]
  9. H. Schmuck, R. Bonk, W. Poehlmann, C. Haslach, W. Kuebart, D. Karnick, J. Meyer, D. Fritzsche, E. Weis, J. Becker, W. Freude, and T. Pfeiffer, “Demonstration of SOA-assisted open metro-access infrastructure for heterogeneous services,” in European Conference on Optical Communication (ECOC) (2013), paper We.4.F.2.
  10. D. Markert, C. Haslach, G. Luz, G. Fischer, and A. Pascht, “Wideband measurements and linearization of a simplified architecture for analog RF-PWM,” in European Microwave Conference (EuMC) (2013), pp. 1–4.
  11. 3rd Generation Partnership Project (3GPP), “Base station (BS) radio transmission and reception (FDD),” http://www.etsi.org/deliver/etsi_ts/125100_125199/125104/09.04.00_60/ts_125104v090400p.pdf (2011)

2012 (1)

Bonk, R.

Brenot, R.

Duan, G. H.

Freude, W.

Hillerkuss, D.

Huber, G.

Koenig, S.

Koos, C.

Lelarge, F.

Leuthold, J.

Schmogrow, R.

Sygletos, S.

Vallaitis, T.

Opt. Express (1)

Other (10)

T. Pfeiffer, “New avenues of revenues - open access and infrastructure virtualization,” in Optical Fibre Conference (OFC) (2012), paper NTh4E.
[Crossref]

T. Pfeiffer, “Converged heterogeneous optical metro-access networks,” in European Conference on Optical Communication (ECOC) (2010), paper Tu.5.B.1.
[Crossref]

Open access regulation in the digital economy, GSR 2011 discussion paper, ITU, http://www.itu.int/ITU-D/treg/Events/Seminars/GSR/GSR11/documents/03-Broadband%20Policies-E.pdf (2011).

OECD, “Broadband networks and open access,” OECD Digital Economy Papers, No. 218 (OECD, 2013).

ITU-T Rec. 984.x, IEEE P802.3 ah/av.

“Next-Generation PON- Part I – III,” IEEE Commun. Mag. 47, 43–64 (2009).

S. Koenig, R. Bonk, R. Schmogrow, A. Josten, D. Karnick, H. Schmuck, W. Poehlmann, T. Pfeiffer, C. Koos, W. Freude, and J. Leuthold, “Cascade of 4 SOAs with 448 Gbit/s (224 Gbit/s) dual channel dual polarization 16QAM (QPSK) for high-capacity business paths in converged metro-access networks,” in Optical Fibre Conference (OFC) (2013), paper OTh4A.3.
[Crossref]

H. Schmuck, R. Bonk, W. Poehlmann, C. Haslach, W. Kuebart, D. Karnick, J. Meyer, D. Fritzsche, E. Weis, J. Becker, W. Freude, and T. Pfeiffer, “Demonstration of SOA-assisted open metro-access infrastructure for heterogeneous services,” in European Conference on Optical Communication (ECOC) (2013), paper We.4.F.2.

D. Markert, C. Haslach, G. Luz, G. Fischer, and A. Pascht, “Wideband measurements and linearization of a simplified architecture for analog RF-PWM,” in European Microwave Conference (EuMC) (2013), pp. 1–4.

3rd Generation Partnership Project (3GPP), “Base station (BS) radio transmission and reception (FDD),” http://www.etsi.org/deliver/etsi_ts/125100_125199/125104/09.04.00_60/ts_125104v090400p.pdf (2011)

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Figures (12)

Fig. 1
Fig. 1 Open metro-access network configuration with basic services such as FTTH/FTTB (residential access), wireless backhauling and business access on a common infrastructure.
Fig. 2
Fig. 2 Optical pipes for infrastructure sharing based on wavebands on the fiber.
Fig. 3
Fig. 3 Architecture / traffic configuration of the field trial infrastructure (a) incorporating installed fiber links of the Deutsche Telekom in Berlin (b) and the allocation plan of the operational wavebands (c).
Fig. 4
Fig. 4 Setup of ROADM used within the field trial demonstrator. The ROADM enables individually passing through or adding/dropping of data signals on the wavebands as well as their amplification by SOA and monitoring.
Fig. 5
Fig. 5 Multiple use of the same waveband (optical pipe) for different services: (1) by 4 x 10 Gbit/s DWDM system (Txs located at Wannsee) or (2) by 1 x 100 Gbit/s system (Tx located at Winterfeldstraße, see dashed boxes), the inserts show the corresponding optical spectra at 1531 nm.
Fig. 6
Fig. 6 Multiple use of same pipe for establishing different business access connections: (a) power penalty of 4 ch with 10 Gbit/s OOK and (b) Q2 degradation of 100 Gbit/s DP-QPSK. The insets show in (a) a typical spectrum and in (b) constellation diagrams for 3 characteristic input power levels (noise limited, optimum, nonlinearity limited).
Fig. 7
Fig. 7 Measurement of impact of SOA cascade on GPON burst signals.
Fig. 8
Fig. 8 Measurement of impact of SOA cascade on switched RoF signal
Fig. 9
Fig. 9 Measurement of impact of SOA cascade on OFDM signal used for optical backhauling.
Fig. 10
Fig. 10 Measurement of impact of rival signals with high power levels in same fiber: Resulting BER measurement for C56 of 4x10Gbit/s DWDM system without (spectra (a)) and with rival signals in neighboring wavebands (spectra (b)). The inset shows a typical eye diagram of the 10 Gbit/s data signal.
Fig. 11
Fig. 11 Measurement of impact of rival signal with high power in same waveband (intra-waveband): set-up with two 100 Gbit/s carriers in a 1531 nm waveband, resulting Q2-factor degradation of the original 100 Gbit/s signal compared to ideal Q2-factor of 17 dB (b).
Fig. 12
Fig. 12 Measurement of impact of 3 x 10 Gbit/s OOK rival signals with high power on a single 10 Gbit/s OOK signal within the same waveband (1531 nm, intra-waveband): Resulting power penalty at 10 Gbit/s test channel (C58) compared to the results of the power penalty for the single-channel measurements at 10−9. The inset shows the spectrum in front of the first SOA for the case in which the test signal power is −20 dBm and the total power of the rival signals is 10 dB larger.

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