1.6-b/s/Hz 6.4-Tb/s QPSK-OCDM/WDM (4 OCDM x 40 WDM x 40 Gb/s) transmission experiment using optical hard thresholding

1.6-b/s/Hz 6.4-Tb/s QPSK-OCDM/WDM (4 OCDM x 40 WDM x 40 Gb/s) transmission experiment using optical hard thresholding

A record of 1.6 b/s/Hz spectrum efficiency is achieved in an optical code-division-multiplexing (OCDM)/wavelength-division-multiplexing (WDM) link by quaternary phase-shift keying optical encoding/decoding along with ultrafast optical time-gating and optical hard thresholding in addition to polariza...

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Veröffentlicht in:IEEE photonics technology letters 2002-04, Vol.14 (4), p.555-557
Hauptverfasser: Sotobayashi, H., Chujo, W., Kitayama, K.
Format: Artikel
Sprache:eng
Schlagworte:
Code division multiplexing
Decoding
Keying
Links
Multiplexing
Optical filters
Optical receivers
Optical recording
Optical sensors
Optical transmitters
Photonics
Polarization
Quadrature phase shift keying
Ultrafast optics
Wavelength division multiplexing
Wavelengths
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Zusammenfassung:A record of 1.6 b/s/Hz spectrum efficiency is achieved in an optical code-division-multiplexing (OCDM)/wavelength-division-multiplexing (WDM) link by quaternary phase-shift keying optical encoding/decoding along with ultrafast optical time-gating and optical hard thresholding in addition to polarization multiplexing. As a result, a transmission of 6.4 Tb/s OCDM/WDM (4 OCDM /spl times/ 40 WDM /spl times/ 40 Gb/s) using only the C-band wavelength region is experimentally demonstrated.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.992609