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Article Dans Une Revue Applied Physics Letters Année : 2021

Quantum dot membrane external-cavity surface-emitting laser at 1.5 μm

H.-M. Phung
H. Kahle

Résumé

A membrane external-cavity surface-emitting laser (MECSEL) with an InAs/InP quantum dot (QD) based gain region is demonstrated. The pumping scheme employs a 90° off-axis parabolic mirror to focus the diode laser pump beam to a nearly circular pump spot. With this pump arrangement, the QD MECSEL with SiC heat spreaders produced 320 mW output power at room temperature with direct emission in the near-infrared at 1.5 μm. We report a record value of 86 nm for the tuning range at this wavelength region, owing to a broad QD gain bandwidth and wide tunability in MECSELs.The authors acknowledge the Academy of Finland (No. 326455), the PREIN Flagship Programme, the Magnus Ehrnrooth Foundation, the Finnish Foundation for Technology Promotion, and the French National Agency of Research (ANR IDYLIC Project, Grant No. ANR-15-CE24-0034-01) for the funding. The authors would like to acknowledge RENATECH+ (the French national network of facilities for micronanotechnology) with NanoRennes platform for the sample growth.
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Dates et versions

hal-03362761 , version 1 (02-10-2021)

Identifiants

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H.-M. Phung, Philipp Tatar-Mathes, Cyril Paranthoën, Christophe Levallois, Nicolas Chevalier, et al.. Quantum dot membrane external-cavity surface-emitting laser at 1.5 μm. Applied Physics Letters, 2021, 118 (23), pp.231101. ⟨10.1063/5.0053961⟩. ⟨hal-03362761⟩
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