FPLD-based All-optical NRZ-to-RZ Data Format Converter
6.2 Suggestions for Future Work
There are several possible directions for future work:
1. The investigation of the threshold current reduction in vertical cavity surface emitting lasers (VCSELs) is a promising way due to its low threshold current, which implies that the required RF modulation amplitude can be greatly reduced.
2. By using dual-wavelength injection locking technique in another FPLD or SOA-based wavelength converters, a TDM-to-WDM function can be realized.
3. A soliton transmission experiment can be constructed for evaluation of the converted RZ-formatted data via a scenario of the dynamic soliton transmission.
4. Numerical analysis can answer which type of semiconductor laser is suitable for such a NRZ-to-RZ data format converter.
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