Abstract
A single-channel 640-Gb/s differential phase-shift-keying transmission over 525 km was successfully demonstrated in a single polarization. A new ultrafast time-domain optical Fourier transformation (OFT) circuit was developed, in which the strong chirp required for the OFT of a subpicosecond optical pulse was realized with a phase modulator operated in a round-trip configuration. By applying this technique to a 640-Gb/s transmission, the tolerance to higher order polarization-mode dispersion was greatly improved and error-free transmission was achieved.
Original language | English |
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Article number | 5458073 |
Pages (from-to) | 1042-1044 |
Number of pages | 3 |
Journal | IEEE Photonics Technology Letters |
Volume | 22 |
Issue number | 14 |
DOIs | |
Publication status | Published - 2010 Jul 6 |
Keywords
- Differential phase-shift keying (DPSK)
- high-speed optical pulse transmission
- optical phase modulation
- optical time-division multiplexing
- ultrashort optical pulse
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Electrical and Electronic Engineering