FIG. 1. Schematic diagram of the proposed PMF.
FIG. 2. Block diagram for the generation of multiple wavelengths. FP-LD: Fabry-Perot laser diode, RSOA: reflective semiconductor optical amplifier.
FIG. 3. Optical spectrum after being modified by gain saturation and offset.
FIG. 4. Experimental Setup (FP-LD: Fabry-Perot laser diode, PC: Polarization controller, RSOA: Reflective semiconductor optical amplifier, EDFA: Erbium-doped fiber amplifier, OBPF: Optical band-pass filter, SMF: Standard single-mode fiber, PD: Photodiode).
FIG. 5. Measured optical spectra of (a) the FP-LD and (b) the RSOA. The bias currents of the FP-LD and the RSOA are 14.43 mA and 18 mA, respectively.
FIG. 6. Wavelength tuning and corresponding frequency responses of the proposed PMF with their calculated results (dashed lines) due to temperature control of the FP-LD. (a) and (b): for = 15°C. (c) and (d): for = 20°C. (e) and (f): for = 25°C , (g) and (h): for = 30°C. The center wavelength is shifted by an amount of ~10 nm from 15 to 30°C.
FIG. 6. Wavelength tuning and corresponding frequency responses of the proposed PMF with their calculated results (dashed lines) due to temperature control of the FP-LD. (a) and (b): for = 15°C. (c) and (d): for = 20°C. (e) and (f): for = 25°C , (g) and (h): for = 30°C. The center wavelength is shifted by an amount of ~10 nm from 15 to 30°C (Continue).
FIG. 7. Frequency shift of the RF passbands due to temperature control of the FP-LD. The passband numbers are denoted in Fig. 4(b), (d), (f), and (h).
FIG. 8. Optical filter response for simulation.
FIG. 9. Simulation of the frequency response for a PMF incorporating unequal wavelength components. Total dispersion:181.22 ps/nm.
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