Single-pixel optical modulation analyzer: a low-complexity frequency-dependent IQ imbalance monitor based on direct detection with phase retrieval

Tiny mismatches in timing, phase, and/or amplitude between in-phase (I) and quadrature (Q) tributaries in an electro-optic IQ modulator, namely IQ imbalance, can severely affect high baud-rate and/or high modulation-order signals in modern coherent optical communications systems. To maintain such an...

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Veröffentlicht in:	Optics express 2021-09, Vol.29 (20), p.31115-31129
Hauptverfasser:	Yoshida, Yuki, Yoshida, Setsuo, Oda, Shoichiro, Hoshida, Takeshi, Yamamoto, Naokatsu, Kanno, Atsushi
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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