First Realtime Synchronous 16-QAM Transmission with Coherent Digital Receiver

Conference: Photonische Netze - 11. ITG-Fachtagung
05/03/2010 - 05/04/2010 at Leipzig, Germany

Proceedings: Photonische Netze

Pages: 3Language: englishTyp: PDF

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Authors:
Al-Bermani, Ali; Wördehoff, Christian; Pfau, Timo; Hoffmann, Sebastian; Rückert, Ulrich; Noé, Reinhold (University of Paderborn, EIM-E, Warburger Str. 100, 33098 Paderborn, Germany)

Abstract:
This letter presents for the first time 1.25 Gb/s synchronous coherent 16-point Quadrature Amplitude Modulation (16-QAM) transmitted and received data in a real-time homodyne setup with external cavity laser (ECL). For powers larger than ?20dBm, the average bit error rate (BER) is below forward-error correction (FEC) limit.