Journal Article10.1364/AO.45.004957
Single-frequency Sb-based distributed-feedback lasers emitting at 2.3 μm above room temperature for application in tunable diode laser absorption spectroscopy
Abdelmagid Salhi,D. Barat,Daniele Romanini,Yves Rouillard,A. Ouvrard,R. Werner,Jochen Seufert,J. Koeth,Aurore Vicet,Arnaud Garnache +9 more
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TL;DR: The direct absorption of CH4 is demonstrated to be possible with high spectral selectivity and the tuning properties made them adaptable to tunable diode laser absorption spectroscopy because they exhibit more than 220 GHz of continuous tuning by temperature or current.
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Abstract: GaInAsSb/GaAlAsSb/GaSb distributed-feedback (DFB) laser diodes based on a type I active region were fabricated by molecular beam epitaxy at the Centre d'Electronique et de Micro-Optoelectronique de Montpellier (CEM2). The DFB processing was done by Nanoplus Nanosystems and Technologies GmbH. The devices work in the continuous-wave regime above room temperature around an emission wavelength of
2.3 μm with a side-mode suppression ratio greater than
25 dB
and as great as 10 mW of output power. The laser devices are fully characterized in terms of optical and electrical properties. Their tuning properties made them adaptable to tunable diode laser absorption spectroscopy because they exhibit more than
220 GHz of continuous tuning by temperature or current. The direct absorption of
CH4 is demonstrated to be possible with high spectral selectivity.
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Citations
High-power laterally coupled distributed-feedback GaSb-based diode lasers at 2 μm wavelength
TL;DR: In this article, GaSb-based laterally coupled distributed-feedback (DFB) diode lasers designed to operate at wavelengths near 2.05μm were reported, where second-order Bragg gratings were etched alongside narrow ridge waveguides to enable single-mode DFB operation in 2mm-long laser diodes.
78
Tunable-diode-laser spectroscopy of C(2)H(2) using a 3.03 microm GaInAsSb/AlGaInAsSb distributed-feedback laser.
TL;DR: This work demonstrated, for the first time to the authors' knowledge, the use of a novel GaInAsSb/AlGaIn asSb distributed-feedback laser emitting around 3.03 microm in a tunable-diode laser-spectroscopy application for gas sensing.
37
Application of antimonide diode lasers in photoacoustic spectroscopy
Stéphane Schilt,Luc Thévenaz,Aurore Vicet,A. Perona,Pierre Grech,Alexei N. Baranov +5 more
- 01 Jan 2003
TL;DR: In this paper, photoacoustic (PA) spectroscopy of methane using an antimonide semiconductor laser is reported. But the laser was not optimized for the laser characteristics, and its performance was unsatisfactory.
33
Single-mode 2.65 µm InGaAsSb/AlInGaAsSb laterally coupled distributed-feedback diode lasers for atmospheric gas detection.
Ryan M. Briggs,Clifford Frez,Mahmood Bagheri,Carl E. Borgentun,James A. Gupta,Mark F. Witinski,James G. Anderson,Siamak Forouhar +7 more
TL;DR: In this paper, index-coupled distributed-feedback diode lasers at 2.65 µm have been demonstrated, which are capable of tuning across strong absorption lines of HDO and other isotopologues of H2O.
31
A Compact Tunable Diode Laser Absorption Spectrometer to Monitor CO2 at 2.7 µm Wavelength in Hypersonic Flows
TL;DR: A Tunable Diode Laser Absorption Spectrometer with a new room-temperature operating antimony-based distributed feedback laser (DFB) diode laser to characterize the velocity, the temperature and the density of carbon dioxide hypersonic flows.
29
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