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SKM 2023 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 12: Semiconductor lasers I

HL 12.3: Talk

Monday, March 27, 2023, 15:30–15:45, POT 112

Latest developments on membrane external-cavity surface-emitting lasers (MECSELs) — •Hermann Kahle1,2, Patrik Rajala2, Philipp Tatar-Mathes2, and Mircea Guina21Institute for Photonic Quantum Systems (PhoQS), Department of Physics, Paderborn University, Warburger Straße 100, 33098 Paderborn, Germany — 2Optoelectronics Research Centre (ORC), Physics Unit / Photonics, Tampere University, Korkeakoulunkatu 3, 33720 Tampere, Finland

MECSELs have experienced a rapid progress in recent years. Based on the membrane geometry of MECSELs, an intrinsically excellent beam quality is one important benefit of this new vertically emitting kind of lasers. The most important recent progress, like continuous wave broadband tuning (ΔλFWHM ≈ 70 nm around λ0 = 985 nm) and anti-resonant gain membrane design will be discussed.

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