title: Simultaneous erasure and rewriting of a subcarrier-multiplexed label in an all-optical label swapping scheme.
abstract: A simplified all-optical label swapping scheme is proposed and experimentally demonstrated for all-optical packet switching. This scheme is based on the sub-carrier label multiplexing technique but it significantly reduces the cost and complexity of the label erasure and rewriting process at the intermediate nodes. This is accomplished using a shared interferometric filter for all wavelength channels to separate the payloads and labels as well as using gain-saturated RSOAs for label erasure and rewriting. Label swapping process is realized through re-assigning optical subcarriers to each output wavelength channel and rewriting the new label with RSOAs. The BER-free transmissions experimentally demonstrate the feasibility of the proposed scheme.
authors.affiliation: School of EEE, Nanyang Technological University, Singapore 627723, Singapore. zwxu@ntu.edu.sg
authors.forename: Zhaowen
authors.initials: Z
authors.lastname: Xu
authors.forename: Tee-Hiang
authors.initials: TH
authors.lastname: Cheng
authors.forename: Yong-Kee
authors.initials: YK
authors.lastname: Yeo
authors.forename: Yixin
authors.initials: Y
authors.lastname: Wang
authors.forename: Dawei
authors.initials: D
authors.lastname: Wang
authors.forename: Jianguo
authors.initials: J
authors.lastname: Liu