A novel scheme of all optical header extraction using a semiconductor optical amplifier-Mach-Zehnder-Interferometer with asymmetric control light is proposed for optical packet switching with all-optical header processing at a header rate of 20 Gb/s and payload rate of 80 Gb/s in this article. The scheme parameters are discussed and analyzed to optimize the performance of optical header extraction with the proposed scheme. Numerical analysis and simulation show that a more than 17 dB contrast ratio can be achieved for the optical header separation when the input optical signal energy is as low as 0.2 pJ. In addition, the system structure is simple, stable, and photonic integratable.
Photonic Network Communications – Springer Journals
Published: Aug 15, 2010
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