All-Optical NRZ-to-PRZ Converter at 10 Gb/s Based on Self-Phase Modulation of Fabry–PÉrot Laser Diode

We propose and demonstrate nonreturn-to-zero (NRZ) to pseudoreturn-to-zero (PRZ) data format conversion at 10 Gb/s based on transverse-magnetic (TM) mode absorption and self-phase modulation (SPM) in a Fabry-Perot laser diode (FP-LD). An FP-LD has absorption s for TM mode injected beam and the beam...

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Bibliographic Details
Published in:IEEE photonics technology letters 2004-04, Vol.16 (4), p.1179-1181
Main Authors: Jeong, Y.D., Lee, H.J., Yoo, H., Won, Y.H.
Format: Article
Language:English
Subjects:
Beams (radiation)
Chirp
Conversion
Fabry-Perot
Format
High speed
Laser diodes
Modulation
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Summary:We propose and demonstrate nonreturn-to-zero (NRZ) to pseudoreturn-to-zero (PRZ) data format conversion at 10 Gb/s based on transverse-magnetic (TM) mode absorption and self-phase modulation (SPM) in a Fabry-Perot laser diode (FP-LD). An FP-LD has absorption s for TM mode injected beam and the beam having NRZ data experiences SPM, which induces a frequency chirp at every rising edge and falling edge. By extracting the chirp components, all-optical NRZ-to-PRZ format conversion has been achieved. The resultant PRZ data gives well-defined 10-Gb/s clock signal. This method will be very useful in all-optical clock recovery of high-speed optical communication systems.
ISSN:1041-1135
DOI:10.1109/LPT.2004.824637