Simultaneous and independent processing of multiple input WDM data signals using a tunable optical tapped delay line

Salman Khaleghi, Mohammad Reza Chitgarha, Morteza Ziyadi, Wajih Daab, Amirhossein Mohajerin-Ariaei, Dvora Rogawski, Joseph D. Touch, Moshe Tur, Carsten Langrock, Martin M. Fejer, Alan E. Willner

Research output: Contribution to journalArticlepeer-review

Abstract

We demonstrate a tunable optical tapped delay line that can simultaneously and independently operate on multiple wavelength-division multiplexed (WDM) data signals. The system utilizes the wavelength-dependent speed of light, together with nonlinear wavelength conversion stages. A phase-preserving scheme enables coherent addition of the weighted taps. We reconfigured the system to perform separate simultaneous correlation (data pattern recognition), equalization, and modulation format conversion on four and eight WDM binary/quadrate phase-shift keyed channels at 26 and 20 Gbaud, respectively. The aggregate throughput of 416 Gb/s is achieved.

Original languageEnglish
Pages (from-to)4273-4276
Number of pages4
JournalOptics Letters
Volume38
Issue number21
DOIs
StatePublished - 1 Nov 2013

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