Highly linear electrooptic modulator with suppression of even-order distortions

The distortion introduced by a Y-junction directional coupler modulator (Y-DCM) on an analog optical link is analyzed and compared to that of a Mach-Zehnder (MZM) and of a directional coupler (DCM) modulators. The results reveal that a specific configuration of the Y-DCM allows to bring together adv...

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Hauptverfasser:	Fegadolli, William Santos, de Souza Martins, Carla, Coutinho, Olympio Lucchini, Almeida, Vilson Rosa, Oliveira, Jose Edimar Barbosa
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	directional coupler Directional couplers Dynamic range Electooptic modulators Electrooptic modulators linearity Mach-Zehnder Nonlinear distortion Optical distortion Optical fiber communication Optical interferometry Optical modulation Phase modulation spurious free dynamic range Transfer functions Y-junction
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Beschreibung
Zusammenfassung:	The distortion introduced by a Y-junction directional coupler modulator (Y-DCM) on an analog optical link is analyzed and compared to that of a Mach-Zehnder (MZM) and of a directional coupler (DCM) modulators. The results reveal that a specific configuration of the Y-DCM allows to bring together advantages of suppressing even-order distortions, similar to that of a MZM, and of enabling high spurious free dynamic range, around 126 dB.Hz 4/5 , similarly to that of a DCM.
ISSN:	1679-4389 1679-4389
DOI:	10.1109/IMOC.2009.5427601