AI Article Synopsis
- A new configuration for wavelength conversion and optical amplification is proposed using a nonlinear optical device, allowing for pump generation through processes like second harmonic generation (SHG) and difference frequency generation (DFG).
- Experimental results show successful wavelength conversion within the 1.4-1.6 µm range using a specific LiNbO waveguide.
- The method allows for adjustable parametric gain by altering detunings between pump and quasi-phase-matching (QPM) wavelengths, which could enhance high-capacity optical transmission beyond the typical 1550-nm band.
Article Abstract
A configuration for wavelength conversion and optical amplification by parametric interaction using a nonlinear optical device is proposed. It enables pump generation through second harmonic generation (SHG), difference frequency generation (DFG), and optical parametric amplification (OPA) using a multiple-quasi-phase-matched (M-QPM) LiNbO waveguide in a bidirectional manner. Wavelength conversion for the 1.4-1.6 µm band is experimentally demonstrated. In addition, it is demonstrated that the parametric gain band can be changed using various detunings between the pump and QPM wavelengths used for the DFG/OPA process. The proposed method would be useful for enabling high-capacity optical transmission outside the 1550-nm band.
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| http://dx.doi.org/10.1364/OE.428868 | DOI Listing |
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