Abstract
We present high-precision (<0.04%) nonlinear reflectivity and pump-probe setups to characterize mid-infrared InGaSb quantum-well-based SESAMs at 2.05 pm. The SESAMs show modulation depths between 1-2.2%, low saturation fluences, low non-saturable losses and fast recovery times.
© 2021 The Author(s)
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