Abstract

Experimental results are presented for the first time of Q penalties resulting from multiple passes through commonly available fixed optical add-drop multiplexers (OADMs) in a 50-GHz channel plan at 10 Gbit/s. We find that transmission through >6 OADMs is feasible within a laser center frequency range of ±2.5 GHz with a Q penalty of <1 dB. We find expressions for the Q penalty contributions from distortion-induced eye closure and optical signal-to-noise ratio (OSNR) degradation and show that the predicted penalty functions from these components fit very well the measured Q penalty as a function of laser-frequency offset within a filter passband. Both contributions are necessary for accurately predicting the total Q penalty.

© 2004 Optical Society of America

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CLEO 2003 (1)

M. Sauer and J. D. Downie, "Measurements of filter concatenation impairments for 4 different modulation formats in a 12 optical node system," in Conference on Lasers and Electro-Optics (CLEO 2003) (Optical Society of America, Washington, D.C., 2003), paper CThX1.

ECOC 2000 (2)

C. J. Rasmussen, F. Liu, and P. Jeppesen, "Accurate formulas for the penalty caused by interferometric crosstalk," in Proceedings of the 26th European Conference on Optical Communications (ECOC 2000) (IEEE, New York, 2000), Vol. 2, pp. 149-150.

H. Bock, G. Mohs, C. Furst, H. Geiger, and G. Fischer, "Impact of optical demultiplexers on DWDM transmission of 40 Gbit/s channels," in Proceedings of the 26th European Conference on Optical Communications (ECOC 2000) (IEEE, New York, 2000), Vol. 3, pp. 225-226.

Electron. Lett. (1)

N. N. Khrais, A. F. Elrefaie, and R. E. Wagner, "Performance degradations of WDM systems due to laser and optical filter misalignments," Electron. Lett. 31, 1179-1180 (1995).

IEEE Photon. Technol. Lett. (7)

T. Otani, N. Antoniades, I. Roudas, and T. E. Stern, "Cascadability of passband-flattened arrayed waveguide-grating filters in WDM optical networks," IEEE Photon. Technol. Lett. 11, 1414-1416 (1999).

M. Kuznetsov, N. M. Froberg, S. R. Henion, and K. A. Rauschenbach, "Power penalty for optical signals due to dispersion slope in WDM filter cascades," IEEE Photon. Technol. Lett. 11, 1411-1413 (1999).

M. Kuznetsov, N. M. Froberg, S. R. Henion, C. Reinke, and C. Fennelly, "Dispersion-Induced power penalty in fiber-Bragg-grating WDM filter cascades using optically preamplified and nonpreamplified receivers," IEEE Photon. Technol. Lett. 12, 1406-1408 (2000).

F. Testa, S. Merli, and P. Pagnan, "Fabry-Perot filter bandwidth effects on end to end transmission performances in a multiwavelength transport network," IEEE Photon. Technol. Lett. 6, 1027-1030 (1994).

I. Roudas, N. Antoniades, T. Otani, T. E. Stern, R. E. Wagner, and D. Q. Chowdhury, "Error probability of transparent optical networks with optical multiplexers/demultiplexers," IEEE Photon. Technol. Lett. 13, 1254-1265 (2001).

N. N. Khrais, A. F. Elrefaie, R. E. Wagner, and S. Ahmed, "Performance of cascaded misaligned optical (de)multiplexers in multiwavelength optical Networks," IEEE Photon. Technol. Lett. 8, 1073-1075 (1996).

I. Tomkos, J.-K. Rhee, P. Iydroose, R. Hesse, A. Boskovic, and R. Vodhanel, "Filter concatenation penalties for 10 Gb/s chirped transmitters suitable for WDM metropolitan area networks," IEEE Photon. Technol. Lett. 14, 564-566 (2002).

IEEE Photon.Technol. Lett. (1)

N. S. Bergano, F. W. Kerfoot, and C. R. Davidson, "Margin measurements in optical amplifier systems," IEEE Photon.Technol. Lett. 5, 304-306 (1993).

J. Lightwave Technol. (5)

J. Opt. Netw. (1)

OFC 1997 (1)

C. Caspar, H. M. Foisel, R. Freund, U. Kruger, and B. Strebel, "Cascadability of array-waveguide grating (de)multiplexers in transparent optical networks," in Optical Fiber Communication Conference (OFC 1997) (Optical Society of America, Washington, D.C., 1997), Vol 6, pp. 19-20.

OFC 2002 (1)

I. Tomkos, M. Vasilyev, J.-K. Rhee, M. Mehendale, B. Hallock, B. Szalabofka, M. Williams, S. Tsuda, and M. Sharma, "80×10.7 Gb/s ultra-long-haul (+4200 km) DWDM network with reconfigurable 'broadcast & select' OADMs," in Optical Fiber Communication Conference (OFC 2002), Vol. 70 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2002), postdeadline paper FC1-1.

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