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Experimental study of phase and intensity noise in a monolithically integrated DFB laser IQ modulator PIC at QPSK operation

 
: Lange, S.; Kaiser, R.; Gruner, M.; Schell, M.

Verband der Elektrotechnik, Elektronik, Informationstechnik -VDE-; Informationstechnische Gesellschaft -ITG-:
42nd European Conference on Optical Communication, ECOC 2016. DVD-ROM : September 18 - 22, 2016, Congress Center Düsseldorf (CCD), Germany ; proceedings
Berlin: VDE-Verlag, 2016
ISBN: 978-3-8007-4274-5
ISBN: 3-8007-4274-8
pp.1049-1051
European Conference on Optical Communication (ECOC) <42, 2016, Düsseldorf>
English
Conference Paper
Fraunhofer HHI ()

Abstract
Phase noise in monolithic optical laser-modulator PICs influences QPSK performance depending on laser bias current and internal optical feedback. The phase noise was most significant at lower symbol rates and minimized at high symbol rates at selected bias points.

: http://publica.fraunhofer.de/documents/N-491432.html