All-Optical Conversion From RZ to NRZ Using Gain-Clamped SOA

All-Optical Conversion From RZ to NRZ Using Gain-Clamped SOA

An all-optical converter from return-to-zero (RZ) pulses to the nonreturn-to-zero (NRZ) format is presented. The converter operates in two stages: the laser generated in a gain-clamped semiconductor optical amplifier (SOA) is modulated with the data signal; afterwards this signal is wavelength-conve...

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Veröffentlicht in:IEEE photonics technology letters 2007-03, Vol.19 (6), p.357-359
Hauptverfasser: Silveira, T.G., Teixeira, A., Beleffi, G.T., Forin, D., Monteiro, P., Furukawa, H., Wada, N.
Format: Artikel
Sprache:eng
Schlagworte:
Charge carrier density
Conversion
Converters
Format
Format conversion
gain-clamped semiconductor optical amplifier (GC-SOA)
Lasers
Modulation
Optical filters
Optical interferometry
Optical pulse shaping
Optical pulses
Optical signal processing
Optical wavelength conversion
Photonics
Power lasers
Pulse amplifiers
reshaping
Semiconductor optical amplifiers
wavelength conversion (WC)
Wavelengths
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Beschreibung
Zusammenfassung:An all-optical converter from return-to-zero (RZ) pulses to the nonreturn-to-zero (NRZ) format is presented. The converter operates in two stages: the laser generated in a gain-clamped semiconductor optical amplifier (SOA) is modulated with the data signal; afterwards this signal is wavelength-converted by cross-gain modulation in a common SOA. The setup is noninverting and can feature wavelength conversion. Experimental error-free conversion from 5- and 40-ps RZ pulses to NRZ format is presented at 10 Gb/s using a 2 11 -1 bit sequence
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2007.891643