Abstract

We present and evaluate a compact, all-optical Clock and Data Recovery (CDR) circuit based on integrated Mach Zehnder interferometric switches. Successful operation for short packet-mode traffic of variable length and phase alignment is demonstrated. The acquired clock signal rises within 2 bits and decays within 15 bits, irrespective of packet length and phase. Error-free operation is demonstrated at 10 Gb/s.

© 2005 Optical Society of America

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References

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  1. S. Nakamura, Y. Ueno and K. Tajima, �??Ultrahigh-speed optical signal processing with symmetric-Mach-Zehnder-type all-optical switches,�?? in Proceedings of IEEE/LEOS Summer Topicals (Institute of Electrical and Electronics Engineers, New York, 2002).
  2. <a href="http://mufins.cti.gr/">http://mufins.cti.gr/</a>
  3. E. Kehayas, G. T. Kanellos, L. Stampoulidis, D. Tsiokos, N. Pleros, G. Guekos and H. Avramopoulos, �??Packet-Format and Network-Traffic Transparent Optical Signal Processing,�?? IEEE J. Lightwave Technol. 22, 2548-2556 ( 2004).
    [CrossRef]
  4. R. Clavero, F. Ramos, J. M. Martinez and J. Marti, �??All-Optical Flip-Flop Based on a single SOA-MZI,�?? IEEE Photon. Technol. Lett. 17, 843-845 (2005).
    [CrossRef]
  5. D. J. Blumenthal, B. E. Olsson, G. Rossi, T. E. Dimmick, L. Rau, M. Mašanoviæ, O. Lavrova, R. Doshi, O. Jerphagnon, J. E. Bowers, V. Kaman, L. A. Coldren and J. Barton, �??All-Optical Label Swapping Networks and Technologies,�?? IEEE J. Lightwave Technol. 18, 2058-2075 (2000).
    [CrossRef]
  6. J. Slovak ,C. Bornholdt, and B. Sartorius, �??All-Optical 3R Regenerator for Asynchronous Data Packets at 40 Gbit/s,�?? in proceedings of European. Conference on Optical Communications, 2004, We.2.5.7, 388-389.
  7. G. T. Kanellos, L. Stampoulidis, N. Pleros, T. Houbavlis D. Tsiokos, E. Kehayas H. Avramopoulos and G. Guekos, �??Clock and Data Recovery Circuit for 10 Gb/s Asynchronous Optical Packets,�?? IEEE Photon. Technol. Lett. 15, 1666-1668 (2003).
    [CrossRef]
  8. R. Webb, G. Maxwell, B. Manning, �??Very low coupling loss, hybrid integrated all-optical regenerator with passive assembly,�?? in Proceedings of European Conference on Optical Communication 2002, PD3.5.
  9. E. Kehayas, L. Stampoulidis, H. Avramopoulos, Y. Liu, E. Tangdiongga, and H. J. S. Dorren, �??40 Gb/s alloptical packet clock recovery with ultrafast lock-in time and low inter-packet guardbands,�?? Opt. Express 13, 475-480 (2005) <a href="http://www.opticsexpress.org/abstract.cfm?URI=OPEX-13-2-475">http://www.opticsexpress.org/abstract.cfm?URI=OPEX-13-2-475</a>.
    [CrossRef] [PubMed]
  10. C. K. Yow, Y. J. Chai, D. Reading-Picopoulos, R. V. Penty, I. H. White, C. G. Leburn, A. McWilliam, A. A. Lagatsky, C. T. A. Brown, W. Sibbett, G. Maxwell and R. McDougall, �??Experimental demonstration of femtosecond switching of a fully-packaged all-optical switch,�?? Optical Fiber Communication (Optical Society of America, Washington, D.C., 2005), paper OThE4.
  11. C. Bintjas, K. Yiannopoulos, N. Pleros, G. Theophilopoulos, M. Kalyvas, H. Avramopoulos and G. Guekos, �??Clock Recovery Circuit for Optical Packets,�?? IEEE Photon. Technol. Lett. 14, 1363-1365 (2002).
    [CrossRef]
  12. <a href="http://www.ist-lasagne.org/">http://www.ist-lasagne.org/</a>
  13. S. Topliss, D. Beeler, and L. Altwegg, �??Synchronization for Passive Optical Networks,�?? IEEE J. Lightwave Technol. 13, 947-953 (1995).
    [CrossRef]

European Conference on Optical Comm. (2)

J. Slovak ,C. Bornholdt, and B. Sartorius, �??All-Optical 3R Regenerator for Asynchronous Data Packets at 40 Gbit/s,�?? in proceedings of European. Conference on Optical Communications, 2004, We.2.5.7, 388-389.

R. Webb, G. Maxwell, B. Manning, �??Very low coupling loss, hybrid integrated all-optical regenerator with passive assembly,�?? in Proceedings of European Conference on Optical Communication 2002, PD3.5.

IEEE J. Lightwave Technol. (3)

E. Kehayas, G. T. Kanellos, L. Stampoulidis, D. Tsiokos, N. Pleros, G. Guekos and H. Avramopoulos, �??Packet-Format and Network-Traffic Transparent Optical Signal Processing,�?? IEEE J. Lightwave Technol. 22, 2548-2556 ( 2004).
[CrossRef]

D. J. Blumenthal, B. E. Olsson, G. Rossi, T. E. Dimmick, L. Rau, M. Mašanoviæ, O. Lavrova, R. Doshi, O. Jerphagnon, J. E. Bowers, V. Kaman, L. A. Coldren and J. Barton, �??All-Optical Label Swapping Networks and Technologies,�?? IEEE J. Lightwave Technol. 18, 2058-2075 (2000).
[CrossRef]

S. Topliss, D. Beeler, and L. Altwegg, �??Synchronization for Passive Optical Networks,�?? IEEE J. Lightwave Technol. 13, 947-953 (1995).
[CrossRef]

IEEE Photon. Technol. Lett. (3)

C. Bintjas, K. Yiannopoulos, N. Pleros, G. Theophilopoulos, M. Kalyvas, H. Avramopoulos and G. Guekos, �??Clock Recovery Circuit for Optical Packets,�?? IEEE Photon. Technol. Lett. 14, 1363-1365 (2002).
[CrossRef]

R. Clavero, F. Ramos, J. M. Martinez and J. Marti, �??All-Optical Flip-Flop Based on a single SOA-MZI,�?? IEEE Photon. Technol. Lett. 17, 843-845 (2005).
[CrossRef]

G. T. Kanellos, L. Stampoulidis, N. Pleros, T. Houbavlis D. Tsiokos, E. Kehayas H. Avramopoulos and G. Guekos, �??Clock and Data Recovery Circuit for 10 Gb/s Asynchronous Optical Packets,�?? IEEE Photon. Technol. Lett. 15, 1666-1668 (2003).
[CrossRef]

IEEE/LEOS (1)

S. Nakamura, Y. Ueno and K. Tajima, �??Ultrahigh-speed optical signal processing with symmetric-Mach-Zehnder-type all-optical switches,�?? in Proceedings of IEEE/LEOS Summer Topicals (Institute of Electrical and Electronics Engineers, New York, 2002).

OFC 2005 (1)

C. K. Yow, Y. J. Chai, D. Reading-Picopoulos, R. V. Penty, I. H. White, C. G. Leburn, A. McWilliam, A. A. Lagatsky, C. T. A. Brown, W. Sibbett, G. Maxwell and R. McDougall, �??Experimental demonstration of femtosecond switching of a fully-packaged all-optical switch,�?? Optical Fiber Communication (Optical Society of America, Washington, D.C., 2005), paper OThE4.

Opt. Express (1)

Other (2)

<a href="http://mufins.cti.gr/">http://mufins.cti.gr/</a>

<a href="http://www.ist-lasagne.org/">http://www.ist-lasagne.org/</a>

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Figures (4)

Fig. 1.
Fig. 1.

Experimental setup

Fig. 2.
Fig. 2.

Pulse traces. First column: synchronous operation (time scale 3.8 ns/div), second column: asynchronous operation (time scale 1.9 ns/div), third column: individual packet (time scale 1.2 ns/div). (a): input signal, (b): recovered clock, (c): recovered signal. The inset of the clock packet in (b) shows the rise-time at a timebase of 200 ps/div

Fig. 3.
Fig. 3.

BER measurements and acquired eye diagrams for the two data patterns used.

Fig. 4.
Fig. 4.

SSB noise spectra of the input, clock and recovered signal.

Metrics