Abstract
We demonstrate high baud-rate DQPSK modulation with full-ETDM technique using a novel high-speed optical IQ modulator consisting of a ridge-type optical waveguide structure on a thin LiNbO3 substrate. Our fabrication technique achieves a drastic extension of the modulator's bandwidth and a reduction of half-wave voltage. Demonstration of 90-Gbaud NRZ-DP-DQPSK signal generation with the modulator successfully achieved a bit rate of 360-Gb/s under full-ETDM configuration.
| Original language | English |
|---|---|
| Pages (from-to) | 1179-1186 |
| Number of pages | 8 |
| Journal | IEICE Transactions on Electronics |
| Volume | E94-C |
| Issue number | 7 |
| DOIs | |
| Publication status | Published - 2011 Jul |
| Externally published | Yes |
Keywords
- Electrically time-division multiplexing
- Optical IQ modulator
- Quadrature phase shift keying
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Electrical and Electronic Engineering
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Cite this
Kanno, A., Sakamoto, T., Chiba, A., Sudo, M., Higuma, K., Ichikawa, J., & Kawanishi, T. (2011). 90 Gbaud NRZ-DP-DQPSK modulation with full-ETDM technique using high-speed optical IQ modulator. IEICE Transactions on Electronics, E94-C(7), 1179-1186. https://doi.org/10.1587/transele.E94.C.1179