Title :
Design of All-Optical Contention Detection and Resolution for 40-Gb/s Label-Switched Routers
Author :
Stampoulidis, L. ; Kehayas, E. ; Vyrsokinos, K. ; Apostolopoulos, D. ; Avramopoulos, H.
Author_Institution :
Dept. of Electr. & Comput. Eng., Nat. Tech. Univ. of Athens
Abstract :
We present a new scheme for all-optical contention detection and time-domain contention resolution of optical packets in label-switched routers that employ all-optical label recognition. The contention detection subsystem provides all the necessary control signals required to drive an optically controlled buffer which employs 1 times 2 optical switching elements and an optical fiber delay line. The state of the buffer is dynamically controlled on a per-packet basis with all the decisions and processing performed in the optical domain. Physical layer simulations show successful buffering and forwarding of 40-Gb/s optical packets with 2-dB power penalty
Keywords :
optical communication equipment; optical delay lines; optical fibre communication; optical information processing; optical switches; telecommunication network routing; 40 Gbit/s; all-optical contention detection; all-optical label recognition; contention detection subsystem; label-switched routers; optical design; optical fiber delay line; optical packets; optical switching elements; optically controlled buffer; power penalty; time-domain contention resolution; Multiprotocol label switching; Optical buffering; Optical control; Optical design; Optical interferometry; Optical packet switching; Optical signal processing; Semiconductor optical amplifiers; Signal resolution; Stimulated emission; All-optical signal processing; buffering; contention resolution; optical label swapping; optical logic; optical packet switching; semiconductor optical amplifier (SOA);
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2006.886860
