Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/80228
Title: 120 Gbaud PAM-4 transmission over 80-km SSMF using optical band interleaving and Kramers-Kronig detection
Authors: Gui, T 
Yi, LY 
Guo, CJ 
Lu, C 
Lau, APT 
Issue Date: 2018
Publisher: Optical Society of America
Source: Optics express, Oct. 2018, v. 26, no. 20, p. 25934-25943 How to cite?
Journal: Optics express 
Abstract: We demonstrate generation and detection of 120-Gbaud PAM-4 signals using an I/Q modulator based on optical band interleaving (OBI) technique. The spectral components of target PAM signals are split and pre-processed before being sent to two digital-to-analog convertors (sub-DACs) whose outputs are imprinted to an optical carrier by an optical I/Q modulator forming a carrier-suppressed tandem single side-band (SSB) signal. The PAM signals can be recovered after photo-detection provided that an optical beating tone is added at the edge of the signal spectrum along with the modulator output. The proposed method requires only half of the Nyquist bandwidth of the target PAM signal for the transmitter and has the advantage of a simple implementation. Using Kramers-Kronig (K-K) detection. a 120 Gbaud PAM-4 transmission over 80-km standard single mode fiber (SSMF) is successfully demonstrated. The proposed scheme entails a simple implementation and a much lower bandwidth requirement at the transmitter compared with conventional all-electronic high baud rate signal generation schemes.
URI: http://hdl.handle.net/10397/80228
EISSN: 1094-4087
DOI: 10.1364/OE.26.025934
Rights: © 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement (https://www.osapublishing.org/library/license_v1.cfm#VOR-OA)
© 2018 Optical Society of America. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.
Journal © 2018
The following publication Gui, T., Yi, L.Y., Guo, C.J., Lu, C., & Lau, A.P.T. (2018). 120 Gbaud PAM-4 transmission over 80-km SSMF using optical band interleaving and Kramers-Kronig detection. Optics express, 26 (20), 25934-25943 is available at https://dx.doi.org/10.1364/OE.26.025934
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