All-Optical OTDM-to-WDM Signal Conversion Using Cross-Absorption Modulation With Time- and Wavelength-Interleaved Short Pulses

Using two cascaded stages of cross-absorption modulation in electroabsorption modulators, we have successfully demonstrated the conversion of 40-Gb/s optical time-division- multiplexing to 4 × 10 Gb/s wavelength-division-multiplexing signals. Our approach exploits the generation of 40-GHz time- and...

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Bibliographic Details
Published in:IEEE photonics technology letters 2010-04, Vol.22 (8), p.571-573
Main Authors: Lei, G., Shu, C., Fok, M.P.
Format: Article
Language:English
Subjects:
Electroabsorption modulator (EAM)
Fiber nonlinear optics
multiwavelength pulses
Optical attenuators
Optical filters
Optical mixing
Optical modulation
Optical pulse shaping
Optical pulses
Optical sensors
Pulse modulation
serial-to-parallel conversion
Wavelength conversion
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Summary:Using two cascaded stages of cross-absorption modulation in electroabsorption modulators, we have successfully demonstrated the conversion of 40-Gb/s optical time-division- multiplexing to 4 × 10 Gb/s wavelength-division-multiplexing signals. Our approach exploits the generation of 40-GHz time- and wavelength-interleaved pulses that determines the wavelength assignment of the output. The setup is compact, potentially integrable, and operates at moderate optical power levels. Bit-error-rate measurement shows error-free operation of our conversion scheme with a 4- to 6-dB power penalty.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2010.2042947