Browsing Meslek Yüksekokulları by Author "0dd7e67c-666b-4c10-812c-4c8a1f3ef0b1"
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324-fs Pulses From a SESAM Modelocked Backside-Cooled 2-μm VECSEL
Heidrich, Jonas; Gaulke, Marco; Golling, Matthias; Alaydin, Behçet Özgür; Barh, Ajanta; Keller, Ursula (IEEE Photonics Technology Letters, 2022/3/2)We present the first modelocked backside-cooled GaSb VECSEL (Vertical External Cavity Surface Emitting Laser) operating above 2 μm . Using a two quantum well InGaSb SESAM (SEmiconductor Saturable Absorber Mirror) in a ... -
Bandgap engineering, monolithic growth, and operation parameters of GaSb-based SESAMs in the 2–2.4 μm range
Alaydin, Behçet Özgür; Gaulke, Marco; Heidrich, Jonas; Golling, Matthias; Barh, Ajanta; Keller, Ursula (Optical Materials Express, 2022/6/1)We present the detailed growth and characterization of novel GaSb-based semiconductor saturable absorber mirrors (SESAMs) operating in the 2–2.4 µm spectral range. These SESAMs at different wavelengths are bandgap engineered ... -
High-power low-noise 2-GHz femtosecond laser oscillator at 2.4 μm
Barh, Ajanta; Alaydin, Behçet Özgür; Heidrich, Jonas; Gaulke, Marco; Golling, Matthias; Phillips, Cristopher R.; Keller, Ursula (Optics Express, 2022/2/14)Femtosecond lasers with high repetition rates are attractive for spectroscopic applications with high sampling rates, high power per comb line, and resolvable lines. However, at long wavelengths beyond 2 µm, current laser ...