Demonstration of 30Gbit/s QPSK-to-PAM4 Data-Format and Wavelength Conversion to Enable All-Optical Gateway from Long-haul to Datacenter

A tunable optical QPSK to PAM4 converter is experimentally demonstrated. The proposed method maps four symbols of QPSK signal to four different amplitude levels which can be directly detected in photo-diode. Open eyes are obtained for the detected PAM4 signal.

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Bibliographic Details
Published in2018 Optical Fiber Communications Conference and Exposition (OFC) pp. 1 - 3
Main Authors Fallahpour, A., Mohajerin-Ariaei, A., Almaiman, A., Cao, Y., Alishahi, F., Bao, C., Liao, P., Ziyadi, M., Shamee, B., Starodubov, D., Tur, M., Langrock, C., Fejer, M. M., Touch, J., Willner, A. E.
Format Conference Proceeding
LanguageEnglish
Published OSA 01.03.2018
Subjects
Nonlinear optics
Optical fibers
Optical filters
Optical pumping
Optical wavelength conversion
Phase shift keying
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Summary:A tunable optical QPSK to PAM4 converter is experimentally demonstrated. The proposed method maps four symbols of QPSK signal to four different amplitude levels which can be directly detected in photo-diode. Open eyes are obtained for the detected PAM4 signal.
DOI:10.1364/OFC.2018.W2A.22