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Reconfigurable and Scalable All-Optical VPN in WDM PON

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6 Author(s)
Xiaofeng Hu ; Dept. of Electron. Eng., Shanghai Jiao Tong Univ., Shanghai, China ; Liang Zhang ; Pan Cao ; Gan Zhou
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In this letter, we propose and experimentally demonstrate an all-optical virtual private network (VPN) structure in a wavelength-division-multiplexed (WDM) passive optical network (PON). The scheme utilizes a semiconductor optical amplifier (SOA) in optical line terminal (OLT) to transfer optical VPN data among different optical network units (ONUs) based on the cross-gain-modulation (XGM) effect. By dynamically copying the optical VPN signal onto different wavelengths, the optical VPN can be reconfigured.

Published in:

Photonics Technology Letters, IEEE  (Volume:23 ,  Issue: 14 )