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DAC-free generation of M-QAM signals with InP segmented Mach-Zehnder modulators

: Schell, M.; Fiol, G.; Aimone, A.


Optical Society of America -OSA-, Washington/D.C.:
Optical Fiber Communications Conference, OFC 2017 : Los Angeles, CA, USA, 19 March-23 March 2017; Proceedings
Washington, DC: OSA, 2017
ISBN: 978-1-943580-23-1
ISBN: 978-1-5090-6229-4
ISBN: 978-1-943580-24-8
Paper W4G.4
Optical Fiber Communications Conference (OFC) <2017, Los Angeles/Calif.>
Fraunhofer HHI ()

The concept of DAC-less generation of multi-level optical signals is discussed together with its latest InP-based results. A flexible transmitter sub-assembly enabling 32 GBd M-QAM operation up to 256-QAM is shown.