研究目的
Investigating the implementation of reconfigurable temporal Fourier transformation (TFT) and temporal imaging (TI) using a time lens followed by a section of dispersive fiber.
研究成果
The study demonstrates a practical alternative for achieving both TFT and TI by simply altering the length of the dispersive fiber following a time lens. This method simplifies the conventional structures for TFT and TI, offering flexibility in optical signal processing.
研究不足
The technique may have limitations in achieving TI around the Fourier transformation point of the time lens due to the conditions for imaging not being satisfied.
1：Experimental Design and Method Selection:
The scheme involves a time lens followed by a section of dispersive fiber. The output waveforms are achieved by changing the length of the fiber.
2：Sample Selection and Data Sources:
The input signal is a pulse stream encoded as '1101'.
3：1'. List of Experimental Equipment and Materials:
3. List of Experimental Equipment and Materials: Includes a mode-locked pulse source, highly nonlinear fiber (HNLF), programmable spectral pulse shaper, dispersion compensation fiber (DCF), and single mode fiber (SMF).
4：Experimental Procedures and Operational Workflow:
The signal is processed through the time lens and then through varying lengths of SMF to achieve different output waveforms.
5：Data Analysis Methods:
The output waveforms are analyzed to verify the spectrum profile or scaled waveform profile of the input signal.
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