Pressure-tuned InGaAsSb/AlGaAsSb diode laser with 700 nm tuning range

P. Adamiec*, A. Salhi, R. Bohdan, A. Bercha, F. Dybala, W. Trzeciakowski, Y. Rouillard, A. Joullié

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)

Abstract

InGaAsSb/AlGaAsSb type-I midinfrared diode lasers emitting continuous wave at 2.4 μm at room temperature have been studied under high hydrostatic pressure. When the pressure was increased up to 19 kbar. the threshold current varied from 240 to 400 A/cm2, showing a minimum of 200 A/cm 2 close to 8 kbar, and the emission spectra shifted to shorter wavelengths by up to 700 mm (i.e., from 2.4 μm to 1.7 μm). This exceptional tuning range could be very useful in tunable diode laser absorption spectroscopy.

Original languageEnglish
Pages (from-to)4292-4294
Number of pages3
JournalApplied Physics Letters
Volume85
Issue number19
DOIs
Publication statusPublished - 8 Nov 2004
Externally publishedYes

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