Unusual increase of the Auger recombination current in 1.3 μm GaInNAs quantum-well lasers under high pressure | Zendy

S. R. Jin | Zendy; Stephen J. Sweeney | Zendy; Stanko Tomić | Zendy; A.R. Adams | Zendy; H. Riechert | Zendy

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Unusual increase of the Auger recombination current in 1.3 μm GaInNAs quantum-well lasers under high pressure

Author(s) -

S. R. Jin,

Stephen J. Sweeney,

Stanko Tomić,

A.R. Adams,

H. Riechert

Publication year - 2003

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.1566468

Subject(s) - auger , auger effect , current (fluid) , quantum well , laser , current density , recombination , materials science , atomic physics , optoelectronics , semiconductor laser theory , chemistry , semiconductor , optics , physics , biochemistry , quantum mechanics , gene , thermodynamics

The pressure dependence of the total threshold current and its respective recombination components in 1.3 μm GaInNAs single-quantum-well lasers using spontaneous emission measurements up to 13 kbar is presented. We observed an unusual increase of the nonradiative Auger recombination current with increasing pressure in this material, which is opposite to those in 1.3 μm InP-based InGaAsP and AlGaInAs devices where the Auger current decreases with pressure. It is shown that the high-pressure-induced increase of the threshold current in GaInNAs is associated with the increase of the Auger current, while the defect-related monomolecular nonradiative current remains nearly unchanged in the pressure range studied. Theoretical calculations show that the unusual increase of the Auger current with pressure in GaInNAs is due to a large increase in the threshold carrier density.

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