Abstract
By introducing a Nyquist filter, we have successfully reduced a data signal bandwidth without intersymbol interference and transmitted a polarization-multiplexed 1Gsymbol/s, 64QAM (12 Gbit/s) coherent signal over 150 km in an optical bandwidth of 1.5GHz.
Original language | English |
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Pages (from-to) | 6-10 |
Number of pages | 5 |
Journal | IEICE Electronics Express |
Volume | 5 |
Issue number | 1 |
DOIs | |
Publication status | Published - 2008 Jan 10 |
Keywords
- Coherent transmission
- Frequency-stabilized laser
- Nyquist filter
- QAM
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Electrical and Electronic Engineering