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The first unambiguous linewidth measurements are reported for fiber-pigtailed high-power distributed feedback (DFB) semiconductor lasers operating near 2.05 $\mu \text{m}$ wavelength range. The DFB lasers are packaged inside standard 14-pin butterfly package with polarization- maintaining output fiber and an integrated optical isolator. The Schawlow-Townes linewidth was measured using the coherent...
Photonic crystal slot cavities are designed with Q up to 2×106. Strong field confinement allows for significant gradient optical force actuation. Measured devices show high extinction ratio and mechanical resonance at low optical driving power.
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