Generation and Transmission of 100-Gb/s PDM 4-PAM Using Directly Modulated VCSELs and Coherent Detection

• DOI: 10.1364/ofc.2014.th3k.2
• Publication Date: 2014-03-25T03:34:46Z
• Authors: Chongjin Xie; Silvia Spiga; Po Dong; Peter Winzer; Alan Gnauck; C. Gréus; M. Ortsiefer; C. Neumeyr; Michael Müller; M.-C. Amann
• Keywords: 0103 physical sciences; 01 natural sciences

We generate a 100-Gb/s polarization-division-multiplexed 4-level pulse-amplitude-modulation signal with two directly modulated 1.5-μm single-mode VCSELs. Coherent detection and digital signal processing enable the transmission over 400-km standard single-mode-fiber (SSMF) with 20% overhead hard-decision forward-error-correction.