Abstract

We demonstrate an all-optical label and payload separator based on nonlinear polarization rotation in a semiconductor optical amplifier (SOA). The proposed scheme uses a packet format composed of a label and payload information signal combined with a control signal by using polarization division multiplexing. The control signal is employed to separate the label from the payload signal by exploiting nonlinear polarization rotation in a SOA. Experimental results show a label from payload suppression factor of 22 dB. This scheme operates asynchronously and does not need external control signal. Clean and wide open eye diagrams are obtained for both the payload and the label signal operating at bit-rates of 10 Gbit/s and 625 Mbit/s, respectively.

© 2004 Optical Society of America

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References

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Electron. Lett. (3)

I. Glesk, K.I. Kang, P.R. Prucnal, �??All-optical address recognition and self-routing in a 250 Gbit/s packet-switched network,�?? Electron. Lett. 30, 1322-1323 (1994).
[CrossRef]

N. Calabretta, Y. Liu, H. de Waardt, G.D. Khoe and H.J.S. Dorren, �??Bragg grating assisted all-optical header pre-processor,�?? Electron. Lett. 38, 1560-1561 (2002).
[CrossRef]

R.J. Manning, A. Anonopoulos, R. Le Roux, and A.E. Kelly, �??Experimental measurement of nonlinear polarization rotation in semiconductor optical amplifiers,�?? Electron. Lett. 37, 229-231 (2001).
[CrossRef]

IEEE J. Quantum Electron. (1)

H.J.S. Dorren, D. Lenstra, Y. Liu, M.T. Hill, G.D. Khoe, �??Nonlinear polarization rotation in semiconductor optical amplifiers: theory and application to all-optical flip-flop memories,�?? IEEE J. Quantum Electron. 39, 141-148 (2003).
[CrossRef]

IEEE Photon. Tech. Lett. (1)

H. Soto, D. Erasme, and G. Huecos, �??Cross-polarization modulation in semiconductor optical amplifiers,�?? IEEE Photon. Tech. Lett. 11, 970-972 (1999).
[CrossRef]

IEEE Photon. Technol. Lett. (1)

M.F.C. Stephens, M. Asghari, R. V. Penty, and I.H. White, �??Demonstration of ultrafast all-optical wawelength conversion utilizing birefringence in semiconductors optical amplifiers,�?? IEEE Photon. Technol. Lett. 9, 449-451 (1997).
[CrossRef]

J. Lightwave Technol. (1)

Proc. ECIO'03 (1)

R. Hanfoug, J.J.G.M. van der Tol, L.M. Augustin, M.K. Smit, �??Wavelength conversion with polarization labelling for rejection and isolation of signals (POLARIS),�?? Proc. 11th European Conference on Integrated Optics, ECIO'03. 1, 2-4 April 2003, Prague, Czech Republic, 105-108 (2003).

Proceedings of NOC 2004 (1)

J. M. Martinez, D. Colle, F. Ramos, R. V. Caenegem, M. Pickavet, J. Marti, �??LASAGNE: All-Optical Label Swapping Employing Optical Gates in a Network Node,�?? Proceedings of NOC 2004, 269-276, Eindhoven, The Netherlands (2004).

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Figures (3)

Fig. 1.
Fig. 1.

The configuration of the all-optical label and payload separator based on nonlinear polarization rotation. TLS: tunable laser source. PC: polarization controller. IM: intensity modulator. PBC: polarization beam combiner. PBS: polarization beam splitter. BPF: optical band pass filter. DELAY: optical delay.

Fig. 2.
Fig. 2.

Oscilloscope traces of the combined signal from the generator (a), the separated label (b) and the separated payload (c). The timescale is 20 ns/div and the voltage scale is 50 mV/div.

Fig. 3.
Fig. 3.

Eye diagram of the combined signal from the generator (a), the separated label (b) and the separated payload (c). The timescale are 200 ps/div, 50 ps/div and 200ps/div, respectively. The voltage scale is 50 mV/div.

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