Low Half-Wave Voltage X-Cut Thin LiNbO Sheet Optical Phase Modulator With Asymmetric Coplanar Waveguide Electrode

Low Half-Wave Voltage X-Cut Thin LiNbO Sheet Optical Phase Modulator With Asymmetric Coplanar Waveguide Electrode

We present a novel X-cut lithium niobate optical phase modulator. Low driving voltage was realized by adopting both an X-cut thin LN sheet structure and an asymmetric coplanar waveguide electrode. A low half-wave voltage of 2.9 V in 20-GHz operation was obtained.

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Veröffentlicht in:IEEE photonics technology letters 2008-11, Vol.20 (21), p.1811-1813
Hauptverfasser: Aoki, Kenji, Ide, Akiyoshi, Kondo, Jungo, Iwata, Yuichi, Hamajima, Akira, Ejiri, Tetsuya, Mitomi, Osamu, Minakata, Makoto
Format: Artikel
Sprache:eng
Schlagworte:
Asymmetry
Coplanar waveguides
Electric potential
Electrodes
Electrooptic modulation
Geometrical optics
High speed optical techniques
Impedance
Lithium niobates
Low voltage
Modulators
Optical buffering
Optical modulation
Optical waveguides
Phase modulation
Photonics
Voltage
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Beschreibung
Zusammenfassung:We present a novel X-cut lithium niobate optical phase modulator. Low driving voltage was realized by adopting both an X-cut thin LN sheet structure and an asymmetric coplanar waveguide electrode. A low half-wave voltage of 2.9 V in 20-GHz operation was obtained.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2008.2004355