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Journal Articles

Enhancing quantum cascade laser active region design through inverse neural networks: A machine learning approach to metric-based structure generation

Editor’s Pick
Y. Hu, S. Suri, J. Kirch, B. Knipfer, S. Jacobs, Z. Yu, D. Botez, L. J. Mawst
Journal: AIP Advances
AIP Advances 14, 105033 (2024)
https://doi.org/10.1063/5.0227270
Published: October 2024
View articletitled, Enhancing quantum cascade laser active region design through inverse neural networks: A machine learning approach to metric-based structure generation
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Journal Articles

Large-scale data generation for quantum cascade laser active-region design with automated wavefunction identification

Y. Hu, S. Suri, J. Kirch, B. Knipfer, S. Jacobs, S. K. Nair, Z. Zhou, Z. Yu, D. Botez, L. J. Mawst
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 241103 (2024)
https://doi.org/10.1063/5.0209613
Published: June 2024
View articletitled, Large-scale data generation for quantum cascade laser active-region design with automated wavefunction identification
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Journal Articles

Optimization of a quantum cascade laser cavity for single-spatial-mode operation via machine learning

S. A. Jacobs, J. D. Kirch, Y. Hu, S. Suri, B. Knipfer, Z. Yu, D. Botez, R. Marsland, L. J. Mawst
Journal: APL Machine Learning
APL Mach. Learn. 1, 046103 (2023)
https://doi.org/10.1063/5.0158204
Published: October 2023
View articletitled, Optimization of a quantum cascade laser cavity for single-spatial-mode operation via machine learning
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Journal Articles

8.1 μ m-emitting InP-based quantum cascade laser grown on Si by metalorganic chemical vapor deposition

S. Xu, S. Zhang, J. D. Kirch, H. Gao, Y. Wang, M. L. Lee, S. R. Tatavarti, D. Botez, L. J. Mawst
Journal: Applied Physics Letters
Appl. Phys. Lett. 123, 031110 (2023)
https://doi.org/10.1063/5.0155202
Published: July 2023
View articletitled, 8.1 μ m-emitting InP-based quantum cascade laser grown on Si by metalorganic chemical vapor deposition
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Journal Articles

Time domain thermoreflectance measurements and phonon gas modeling of the thermal conductivity of silicon doped indium phosphide pertinent to quantum cascade lasers

C. Perez, D. Talreja, J. Kirch, S. Zhang, V. Gopalan, D. Botez, B. M. Foley, B. Ramos-Alvarado, L. J. Mawst
Journal: APL Materials
APL Mater. 11, 041107 (2023)
https://doi.org/10.1063/5.0141252
Published: April 2023
View articletitled, Time domain thermoreflectance measurements and phonon gas modeling of the thermal conductivity of silicon doped indium phosphide pertinent to quantum cascade lasers
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Includes: Supplementary data
Journal Articles

Incoherent-to-coherent crossover in thermal transport through III–V alloy superlattices

Featured
C. Perez, L. Avazpour, M. K. Eryilmaz, T. Earles, S. Ruder, V. Gopalan, D. Botez, I. Knezevic, B. Ramos-Alvarado, B. M. Foley, L. J. Mawst
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 232201 (2022)
https://doi.org/10.1063/5.0123711
Published: December 2022
View articletitled, Incoherent-to-coherent crossover in thermal transport through III–V alloy superlattices
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Includes: Supplementary data
Journal Articles

∼8.5 μm-emitting InP-based quantum cascade lasers grown on GaAs by metal-organic chemical vapor deposition

S. Xu, S. Zhang, J. D. Kirch, S. Suri, N. Pokharel, H. Gao, H. Kim, P. Dhingra, M. L. Lee, D. Botez, L. J. Mawst
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 171103 (2022)
https://doi.org/10.1063/5.0122272
Published: October 2022
View articletitled, ∼8.5 μm-emitting InP-based quantum cascade lasers grown on GaAs by metal-organic chemical vapor deposition
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Includes: Supplementary data
Journal Articles

Highly efficient ∼8 μm-emitting, step-taper active-region quantum cascade lasers

Editor’s Pick
K. M. Oresick, J. D. Kirch, L. J. Mawst, D. Botez
Journal: AIP Advances
AIP Advances 11, 025004 (2021)
https://doi.org/10.1063/5.0037761
Published: February 2021
View articletitled, Highly efficient ∼8 μm-emitting, step-taper active-region quantum cascade lasers
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Journal Articles

Erratum: “Carrier leakage via interface-roughness scattering bridges gap between theoretical and experimental internal efficiencies of quantum cascade lasers” [Appl. Phys. Lett. 117 , 051101 (2020)]

C. Boyle, K. M. Oresick, J. D. Kirch, Y. V. Flores, L. J. Mawst, D. Botez
Journal: Applied Physics Letters
Appl. Phys. Lett. 117, 109901 (2020)
https://doi.org/10.1063/5.0025953
Published: September 2020
View articletitled, Erratum: “Carrier leakage via interface-roughness scattering bridges gap between theoretical and experimental internal efficiencies of quantum cascade lasers” [Appl. Phys. Lett. 117 , 051101 (2020)]
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Journal Articles

Carrier leakage via interface-roughness scattering bridges gap between theoretical and experimental internal efficiencies of quantum cascade lasers

C. Boyle, K. M. Oresick, J. D. Kirch, Y. V. Flores, L. J. Mawst, D. Botez
Journal: Applied Physics Letters
Appl. Phys. Lett. 117, 051101 (2020)
https://doi.org/10.1063/5.0007812
Published: August 2020
View articletitled, Carrier leakage via interface-roughness scattering bridges gap between theoretical and experimental internal efficiencies of quantum cascade lasers
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Includes: Supplementary data
Journal Articles

Thermal imaging of buried heterostructure quantum cascade lasers (QCLs) and QCL arrays using CCD-based thermoreflectance microscopy

N. Becher, M. Farzaneh, B. Knipfer, C. Sigler, J. Kirch, C. Boyle, D. Botez, L. J. Mawst, D. F. Lindberg, III, T. Earles
Journal: Journal of Applied Physics
J. Appl. Phys. 125, 033102 (2019)
https://doi.org/10.1063/1.5065507
Published: January 2019
View articletitled, Thermal imaging of buried heterostructure quantum cascade lasers (QCLs) and QCL arrays using CCD-based thermoreflectance microscopy
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Journal Articles

Comment on “Phase-locked array of quantum cascade lasers with an intracavity spatial filter” [Appl. Phys. Lett. 111 , 061108 (2017)]

D. Botez
Journal: Applied Physics Letters
Appl. Phys. Lett. 111, 256101 (2017)
https://doi.org/10.1063/1.5001810
Published: December 2017
View articletitled, Comment on “Phase-locked array of quantum cascade lasers with an intracavity spatial filter” [Appl. Phys. Lett. 111 , 061108 (2017)]
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Journal Articles

Proton implantation for electrical insulation of the InGaAs/InAlAs superlattice material used in 8–15 μm-emitting quantum cascade lasers

J. D. Kirch, H. Kim, C. Boyle, C.-C. Chang, L. J. Mawst, D. Lindberg, III, T. Earles, D. Botez, M. Helm, J. von Borany, S. Akhmadaliev, R. Böttger, C. Reyner
Journal: Applied Physics Letters
Appl. Phys. Lett. 110, 082102 (2017)
https://doi.org/10.1063/1.4977067
Published: February 2017
View articletitled, Proton implantation for electrical insulation of the InGaAs/InAlAs superlattice material used in 8–15 μm-emitting quantum cascade lasers
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Journal Articles

High-power, surface-emitting quantum cascade laser operating in a symmetric grating mode

C. Boyle, C. Sigler, J. D. Kirch, D. F. Lindberg, III, T. Earles, D. Botez, L. J. Mawst
Journal: Applied Physics Letters
Appl. Phys. Lett. 108, 121107 (2016)
https://doi.org/10.1063/1.4944846
Published: March 2016
View articletitled, High-power, surface-emitting quantum cascade laser operating in a symmetric grating mode
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Journal Articles

Highly temperature insensitive, low threshold-current density (λ = 8.7–8.8 μm) quantum cascade lasers

J. D. Kirch, C.-C. Chang, C. Boyle, L. J. Mawst, D. Lindberg, III, T. Earles, D. Botez
Journal: Applied Physics Letters
Appl. Phys. Lett. 106, 151106 (2015)
https://doi.org/10.1063/1.4917499
Published: April 2015
View articletitled, Highly temperature insensitive, low threshold-current density (λ = 8.7–8.8 μm) quantum cascade lasers
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Journal Articles

5.5 W near-diffraction-limited power from resonant leaky-wave coupled phase-locked arrays of quantum cascade lasers

J. D. Kirch, C.-C. Chang, C. Boyle, L. J. Mawst, D. Lindberg, III, T. Earles, D. Botez
Journal: Applied Physics Letters
Appl. Phys. Lett. 106, 061113 (2015)
https://doi.org/10.1063/1.4908178
Published: February 2015
View articletitled, 5.5 W near-diffraction-limited power from resonant leaky-wave coupled phase-locked arrays of quantum cascade lasers
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Journal Articles

50% continuous-wave wallplug efficiency from 1.53μm-emitting broad-area diode lasers

T. Garrod, D. Olson, M. Klaus, C. Zenner, C. Galstad, L. Mawst, D. Botez
Journal: Applied Physics Letters
Appl. Phys. Lett. 105, 071101 (2014)
https://doi.org/10.1063/1.4893576
Published: August 2014
View articletitled, 50% continuous-wave wallplug efficiency from 1.53μm-emitting broad-area diode lasers
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Journal Articles

Design for high-power, single-lobe, grating-surface-emitting quantum cascade lasers enabled by plasmon-enhanced absorption of antisymmetric modes

C. Sigler, J. D. Kirch, T. Earles, L. J. Mawst, Z. Yu, D. Botez
Journal: Applied Physics Letters
Appl. Phys. Lett. 104, 131108 (2014)
https://doi.org/10.1063/1.4869561
Published: April 2014
View articletitled, Design for high-power, single-lobe, grating-surface-emitting quantum cascade lasers enabled by plasmon-enhanced absorption of antisymmetric modes
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Journal Articles

Comment on “Highly temperature insensitive quantum cascade lasers” [Appl. Phys. Lett. 97, 251104 (2010)]

D. Botez
Journal: Applied Physics Letters
Appl. Phys. Lett. 98, 216101 (2011)
https://doi.org/10.1063/1.3593378
Published: May 2011
View articletitled, Comment on “Highly temperature insensitive quantum cascade lasers” [Appl. Phys. Lett. 97, 251104 (2010)]
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Journal Articles

Fabrication of midinfrared quantum cascade laser via oxygen-enhanced nonselective wet thermal oxidation

C. S. Seibert, M. D’Souza, J. C. Shin, L. J. Mawst, D. Botez, D. C. Hall
Journal: Journal of Applied Physics
J. Appl. Phys. 109, 033103 (2011)
https://doi.org/10.1063/1.3544489
Published: February 2011
View articletitled, Fabrication of midinfrared quantum cascade laser via oxygen-enhanced nonselective wet thermal oxidation
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