Abstract
Non-degenerate four-wave mixing in an InAs/InP quantum dot Fabry-Perot laser is investigated with an optical injection-locking scheme. Wavelength conversion is obtained for frequency detunings ranging from +2.5 THz to -3.5 THz. The normalized conversion efficiency is maintained above -40 dB between -1.5 and +0.5 THz with an optical signal-to-noise ratio above 20 dB and a maximal third-order nonlinear susceptibility normalized to material gain of 2×10-19 m3/V2. In addition, we show that injection-locking at different positions in the gain spectrum has an impact on the nonlinear conversion process and the symmetry between up- and down- converted signals.
| Original language | English |
|---|---|
| Article number | 106, 143501-1 |
| Journal | Applied Physics Letters |
| Volume | 106 |
| Issue number | 14 |
| DOIs | |
| Publication status | Published - 6 Apr 2015 |
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