Study of precise optical modulation using Mach-Zehnder interferometers for advanced modulation formats
Konferenz: ECOC 2007 - 33rd European Conference and Exhibition of Optical Communication
16.09.2007- 20.09.2007 in Berlin, Germany
Tagungsband: ECOC 2007
Seiten: 2Sprache: EnglischTyp: PDF
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Autoren:
Kawanishi, Tetsuya; Sakamoto, Takahide; Chiba, v; Izutsu, Masayuki (National Institution of Information and Communications Technology, 4-2-1 Nukui-Kita, Koganei, Tokyo 184-8795, Japan)
Inhalt:
We investigated impact of parasitic phase modulation at Mach-Zehnder modulators on advanced modulation formats, such as quadrature-amplitude-modulation. Phase error due to imbalance in a modulator can be compensated by using an optical frequency-shift-keying modulator.