A 1024-channel fast tunable delay line for ultrafast all-optical TDM networks

Kung Li Deng; Koo Il Kang; Ivan Glesk; Paul R. Prucnal

doi:10.1109/68.634720

A 1024-channel fast tunable delay line for ultrafast all-optical TDM networks

Kung Li Deng, Koo Il Kang, Ivan Glesk, Paul R. Prucnal

Electronic And Electrical Engineering

Research output: Contribution to journal › Article › peer-review

43 Citations (Scopus)

Abstract

Based on a passive k-stage feed-forward delay line structure, this letter presents a novel scheme which allows fast tuning among as many as 2 ^k ×2 ^k ultrafast time-division multiplexed (TDM) channels in all-optical networks. At a lower speed, a simple selection rule is applied at the input and output of the structure to set the state of the delay. In the experimental demonstration, the delay line can be tuned to any of the 1024 50-Mb/s channels in a 50-Gb/s all-optical TDM network with a five-stage structure and two E/O modulators. The average reconfiguration time is about 20 ns.

Original language	English
Pages (from-to)	1496-1498
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	9
Issue number	11
DOIs	https://doi.org/10.1109/68.634720
Publication status	Published - 1 Nov 1997

Keywords

Gb/s all-optical TDM network
ultrafast time-division multiplexed channels
TDM channels

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10.1109/68.634720

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title = "A 1024-channel fast tunable delay line for ultrafast all-optical TDM networks",

abstract = "Based on a passive k-stage feed-forward delay line structure, this letter presents a novel scheme which allows fast tuning among as many as 2 k ×2 k ultrafast time-division multiplexed (TDM) channels in all-optical networks. At a lower speed, a simple selection rule is applied at the input and output of the structure to set the state of the delay. In the experimental demonstration, the delay line can be tuned to any of the 1024 50-Mb/s channels in a 50-Gb/s all-optical TDM network with a five-stage structure and two E/O modulators. The average reconfiguration time is about 20 ns.",

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