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Research Output 1993 2019

2019

High performance dual-mode operation asymmetric superlattice infrared photodetector using leaky electronic states

Pereira, P. H., Penello, G. M., Pires, M. P., Sivco, D., Gmachl, C. F. & Souza, P. L., May 28 2019, In : Journal of Applied Physics. 125, 20, 204501.

Research output: Contribution to journalArticle

photometers
continuums
room temperature
dark current
operating temperature
2 Citations (Scopus)

Progress in Symmetric and Asymmetric Superlattice Quantum Well Infrared Photodetectors

Penello, G. M., Pereira, P. H., Guerra, L., Pinto, L. D., Jakomin, R., Mourão, R. T., Degani, M. H., Maialle, M. Z., Sivco, D., Gmachl, C. F., Pires, M. P. & Souza, P. L., Jun 1 2019, In : Annalen der Physik. 531, 6, 1800462.

Research output: Contribution to journalReview article

quantum well infrared photodetectors
quantum wells
continuums
infrared radiation
room temperature
2018
4 Citations (Scopus)

High-power spiral cavity quantum cascade superluminescent emitters with a passive loop back facet

Zheng, M. C., Zhang, Y. M., Liu, P. Q., Wang, X., Fan, J. Y., Troccoli, M. & Gmachl, C. F., Jan 1 2018, In : Optical Engineering. 57, 1, 011001.

Research output: Contribution to journalArticle

Threshold current density
flat surfaces
cascades
emitters
Demonstrations
5 Citations (Scopus)

Implementation of an integrating sphere for the enhancement of noninvasive glucose detection using quantum cascade laser spectroscopy

Werth, A., Liakat, S., Dong, A., Woods, C. M. & Gmachl, C. F., May 1 2018, In : Applied Physics B: Lasers and Optics. 124, 5, 75.

Research output: Contribution to journalArticle

quantum cascade lasers
laser spectroscopy
glucose
augmentation
sensors

Increase in output power of 8 μm quantum cascade spiral cavity superluminescent devices by active region doping

Zhang, Y., Zheng, M. C., Pitarresi, A. R., Kacmoli, S., Basak, A., Sivco, D. L. & Gmachl, C. F., Jan 1 2018, CLEO: Applications and Technology, CLEO_AT 2018. OSA - The Optical Society, (Optics InfoBase Conference Papers; vol. Part F92-CLEO_AT 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Doping (additives)

Increase in Output Power of 8 μm Quantum Cascade Spiral Cavity Superluminescent Devices by Active Region Doping

Zhang, Y., Zheng, M. C., Pitarresi, A. R., Kacmoli, S., Basak, A., Sivco, D. L. & Gmachl, C. F., Aug 6 2018, 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8426229

Research output: Chapter in Book/Report/Conference proceedingConference contribution

cascades
emitters
Doping (additives)
cavities
output
2 Citations (Scopus)

Leaky electronic states for photovoltaic photodetectors based on asymmetric superlattices

Penello, G. M., Pereira, P. H., Pires, M. P., Sivco, D., Gmachl, C. F. & Souza, P. L., Jan 15 2018, In : Applied Physics Letters. 112, 3, 033503.

Research output: Contribution to journalArticle

photometers
superlattices
electronics
continuums
room temperature

Optoelectronic plasmonic metamaterials with a quantum cascade structure

Zhang, Y., Fan, W., Song, A. Y., Sivco, D. L. & Gmachl, C. F., Jan 1 2018, CLEO: QELS_Fundamental Science, CLEO_QELS 2018. OSA - The Optical Society, (Optics InfoBase Conference Papers; vol. Part F93-CLEO_QELS 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Metamaterials
Refraction
Optoelectronic devices
Optical properties
Semiconductor materials

Optoelectronic Plasmonic Metamaterials with a Quantum Cascade Structure

Zhang, Y., Fan, W., Song, A. Y., Sivco, D. L. & Gmachl, C. F., Aug 6 2018, 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8426644

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Metamaterials
Refraction
Optoelectronic devices
refraction
cascades

Two-band ZnCdSe/ZnCdMgSe quantum well infrared photodetector

Kaya, Y., Ravikumar, A., Chen, G., Tamargo, M. C., Shen, A. & Gmachl, C. F., Jul 1 2018, In : AIP Advances. 8, 7, 075105.

Research output: Contribution to journalArticle

quantum well infrared photodetectors
detectors
quantum wells
wavelengths
photocurrents

Visualizing period fluctuations in strained-layer superlattices with scanning tunneling microscopy

Kanedy, K., Lopez, F., Wood, M. R., Gmachl, C. F., Weimer, M., Klem, J. F., Hawkins, S. D., Shaner, E. A. & Kim, J. K., Jan 22 2018, In : Applied Physics Letters. 112, 4, 042105.

Research output: Contribution to journalArticle

superlattices
scanning tunneling microscopy
support systems
x ray diffraction
roughness
2017

Asymmetric superlattice quantum well infrared photodetector

Pereira, P. H., Penello, G. M., Pires, M. P., Sivco, D. L., Gmachl, C. F. & Souza, P. L., Nov 15 2017, SBMicro 2017 - 32nd Symposium on Microelectronics Technology and Devices: Chip on the Sands, co-located Symposia: 30th SBCCI - Circuits and Systems Design, 2nd INSCIT - Electronic Instrumentation, 7th WCAS - IC Design Cases and 17th SForum - Undergraduate-Student Forum. Institute of Electrical and Electronics Engineers Inc., 8112982. (SBMicro 2017 - 32nd Symposium on Microelectronics Technology and Devices: Chip on the Sands, co-located Symposia: 30th SBCCI - Circuits and Systems Design, 2nd INSCIT - Electronic Instrumentation, 7th WCAS - IC Design Cases and 17th SForum - Undergraduate-Student Forum).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Quantum well infrared photodetectors
quantum well infrared photodetectors
Photocurrents
Semiconductor quantum wells
Absorption spectra

Noninvasive glucose measurements in skin using Mid-IR quantum cascade laser spectroscopy

Werth, A., Schultheis, G., Dong, A., Liakat, S. & Gmachl, C. F., Oct 25 2017, 2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-January. p. 1-2 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Quantum cascade lasers
Laser spectroscopy
quantum cascade lasers
laser spectroscopy
glucose
2016
1 Citation (Scopus)

Growth and characterization of ZnCdSe/ZnCdMgSe two-color quantum well infrared photodetectors

Chen, G., Kaya, Y., Ravikumar, A. P., Tamargo, M. C., Gmachl, C. F. & Shen, A., Jul 1 2016, In : Physica Status Solidi (C) Current Topics in Solid State Physics. 13, 7-9, p. 673-676 4 p.

Research output: Contribution to journalArticle

quantum well infrared photodetectors
color
photometers
molecular beam epitaxy
photoluminescence

High Peak Power (≥ 10 mW) Quantum Cascade Superluminescent Emitter

Aung, N., Zheng, M. C. & Gmachl, C., Jan 8 2016

Research output: Innovation

cascades
emitters
5 Citations (Scopus)

II–VI quantum cascade emitters in the 6–8 μm range

Garcia, T. A., De Jesus, J., Ravikumar, A. P., Gmachl, C. F. & Tamargo, M. C., Aug 1 2016, In : Physica Status Solidi (B) Basic Research. 253, 8, p. 1494-1497 4 p.

Research output: Contribution to journalArticle

cascades
emitters
Energy gap
Electroluminescence
mesas

Interface roughness scattering rate equation model of long-wavelength quantum cascade lasers

Chen, C. Y., Chen, Y. H. & Gmachl, C. F., Dec 16 2016, 2016 Conference on Lasers and Electro-Optics, CLEO 2016. Institute of Electrical and Electronics Engineers Inc., 7788063

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Quantum cascade lasers
quantum cascade lasers
roughness
Surface roughness
Scattering

Multi-leads, two-color, ZnCdSe/ZnCdMgSe based quantum well infrared photodetectors

Kaya, Y., Ravikumar, A., Chen, G., Tamargo, M. C., Shen, A. & Gmachl, C. F., Dec 16 2016, 2016 Conference on Lasers and Electro-Optics, CLEO 2016. Institute of Electrical and Electronics Engineers Inc., 7789182

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Quantum well infrared photodetectors
quantum well infrared photodetectors
Infrared detectors
Dark currents
infrared detectors

Recent developments in mid-infrared quantum cascade lasers and applications

Gmachl, C. F., Aug 22 2016, 74th Annual Device Research Conference, DRC 2016. Institute of Electrical and Electronics Engineers Inc., Vol. 2016-August. 7548513

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Quantum cascade lasers
Semiconductor quantum wells
Semiconductor lasers
Infrared radiation
Wavelength
5 Citations (Scopus)

Spectroscopy and imaging using a Mid-IR quantum cascade optical coherence tomography (OCT) system

Varnell, D., Zheng, M. C., Chow, M. & Gmachl, C. F., Dec 16 2016, 2016 Conference on Lasers and Electro-Optics, CLEO 2016. Institute of Electrical and Electronics Engineers Inc., 7787368

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical tomography
chemical analysis
structural analysis
Structural analysis
cascades

Sub-diffraction resonators in semiconductor hyperbolic metamaterials

Feng, K., Harden, G., Sivco, D., Gmachl, C. F. & Hoffman, A. J., Aug 15 2016, Latin America Optics and Photonics Conference, LAOP 2016. OSA - The Optical Society, (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Metamaterials
Resonators
Diffraction
Semiconductor materials
Wavelength
4 Citations (Scopus)

Three-dimensional interface roughness in layered semiconductor structures and its effect on intersubband transitions

Song, A. Y., Bhat, R., Bouzi, P., Zah, C. E. & Gmachl, C. F., Oct 18 2016, In : Physical Review B. 94, 16, 165307.

Research output: Contribution to journalArticle

roughness
Surface roughness
Scattering
scattering
Superlattices
2 Citations (Scopus)

Wavelength independent normal incident quantum cascade detectors

Ravikumar, A. P., Sivco, D. & Gmachl, C. F., Oct 31 2016, In : Optics Express. 24, 22, p. 25269-25276 8 p.

Research output: Contribution to journalArticle

mesas
cascades
incidence
detectors
wavelengths
2015
1 Citation (Scopus)

Broadband (3.9 - 9.6 μm) photocurrent in quantum cascade detector with diagonal transitions

Penello, G. M., Merkel, B., Sivco, D. L. & Gmachl, C. F., May 4 2015, CLEO: Science and Innovations, CLEO-SI 2015. Optical Society of America (OSA), 1 p. (CLEO: Science and Innovations, CLEO-SI 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Photocurrents
photocurrents
cascades
broadband
Infrared radiation

Broadband (3.9-9.6 μm) photocurrent in quantum cascade detector with diagonal transitions

Penello, G. M., Merkel, B., Sivco, D. L. & Gmachl, C. F., Aug 10 2015, 2015 Conference on Lasers and Electro-Optics, CLEO 2015. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-August. 7183849

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Photocurrents
photocurrents
cascades
broadband
Infrared radiation
22 Citations (Scopus)

High performance, room temperature, broadband II-VI quantum cascade detector

Ravikumar, A. P., De Jesus, J., Tamargo, M. C. & Gmachl, C. F., Oct 5 2015, In : Applied Physics Letters. 107, 14, 141105.

Research output: Contribution to journalArticle

photocurrents
cascades
broadband
detectors
room temperature

High power spiral cavity quantum cascade superluminescent emitter

Zheng, M. C., Aung, N. L., Basak, A., Liu, P. Q., Wang, X., Fan, J. Y., Troccoli, M. & Gmachl, C. F., Aug 10 2015, 2015 Conference on Lasers and Electro-Optics, CLEO 2015. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-August. 7184200

Research output: Chapter in Book/Report/Conference proceedingConference contribution

cascades
emitters
Infrared radiation
cavities

High power spiral cavity quantum cascade superluminescent emitter

Zheng, M. C., Aung, N. L., Basak, A., Liu, P. Q., Wang, X., Fan, J. Y., Troccoli, M. & Gmachl, C. F., May 4 2015, CLEO: Science and Innovations, CLEO-SI 2015. Optical Society of America (OSA), 1 p. (CLEO: Science and Innovations, CLEO-SI 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

cascades
emitters
Infrared radiation
cavities
6 Citations (Scopus)

High power spiral cavity quantum cascade superluminescent emitter

Zheng, M. C., Aung, N. L., Basak, A., Liu, P. Q., Wang, X., Fan, J. Y., Troccoli, M. & Gmachl, C. F., Jan 1 2015, In : Optics Express. 23, 3, p. 2713-2719 7 p.

Research output: Contribution to journalArticle

cascades
emitters
emission spectra
cavities
wavelengths

Hybrid mid-IR OCT system for imaging and spectroscopy using new high power low-coherence quantum cascade superluminescent emitters

Varnell, D., Zheng, M. C., Aung, N., Musse, A., Lee, S. & Gmachl, C. F., Aug 10 2015, 2015 Conference on Lasers and Electro-Optics, CLEO 2015. Institute of Electrical and Electronics Engineers Inc., 7183675. (Conference on Lasers and Electro-Optics Europe - Technical Digest; vol. 2015-August).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical tomography
Imaging systems
cascades
emitters
tomography
1 Citation (Scopus)

Hybrid Mid-IR OCT system for imaging and spectroscopy using new high power low-coherence quantum cascade superluminescent emitters

Varnell, D., Zheng, M. C., Aung, N., Musse, A., Lee, S. & Gmachl, C. F., May 4 2015, CLEO: Applications and Technology, CLEO-AT 2015. Optical Society of America (OSA), JW2A.85. (CLEO: Applications and Technology, CLEO-AT 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical tomography
Imaging systems
cascades
emitters
tomography

Long wave, room temperature II-VI-based quantum cascade emitters

Ravikumar, A. P., Garcia, T. A., De Jesus, J., Tamargo, M. C. & Gmachl, C. F., Aug 10 2015, 2015 Conference on Lasers and Electro-Optics, CLEO 2015. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-August. 7183841

Research output: Chapter in Book/Report/Conference proceedingConference contribution

planetary waves
cascades
emitters
room temperature
Temperature

Long wave, room temperature II-VI-based quantum cascade emitters

Ravikumar, A. P., Garcia, T. A., De Jesus, J., Tamargo, M. C. & Gmachl, C. F., May 4 2015, CLEO: Science and Innovations, CLEO-SI 2015. Optical Society of America (OSA), 1 p. (CLEO: Science and Innovations, CLEO-SI 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

planetary waves
cascades
emitters
room temperature
Temperature
10 Citations (Scopus)

Quantum cascade emission in the III-nitride material system designed with effective interface grading

Song, A. Y., Bhat, R., Allerman, A. A., Wang, J., Huang, T. Y., Zah, C. E. & Gmachl, C. F., Sep 28 2015, In : Applied Physics Letters. 107, 13, 132104.

Research output: Contribution to journalArticle

nitrides
cascades
spontaneous emission
light emission
eigenvectors
1 Citation (Scopus)

Thermoheliodome testing: Evaluation methods for testing directed radiant heat reflection

Calabrò, E., Meggers, F., Teitelbaum, E., Guo, H., Gmachl, C. F. & Penello, G. M., Nov 1 2015, In : Energy Procedia. 78, p. 1762-1768 7 p.

Research output: Contribution to journalConference article

Testing
Cooling
Microcontrollers
Temperature
Hot Temperature
6 Citations (Scopus)

Threshold current reduction and directional emission of deformed microdisk lasers via spatially selective electrical pumping

Aung, N. L., Ge, L., Malik, O., Tureci, H. E. & Gmachl, C. F., Oct 12 2015, In : Applied Physics Letters. 107, 15, 151106.

Research output: Contribution to journalArticle

threshold currents
pumping
lasers
triangles
continuous radiation
2 Citations (Scopus)

Ultra-broadband (3.3-12.5μm) single stack quantum cascade gain medium

Le, L. T., Wang, X., Fan, J. Y., Troccoli, M., Sivco, D. L. & Gmachl, C. F., Aug 10 2015, 2015 Conference on Lasers and Electro-Optics, CLEO 2015. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-August. 7184199

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electroluminescence
electroluminescence
cascades
broadband
Lasers

Ultra-broadband (3.3-12.5μm) single stack quantum cascade gain medium

Le, L. T., Wang, X., Fan, J. Y., Troccoli, M., Sivco, D. L. & Gmachl, C. F., May 4 2015, CLEO: Science and Innovations, CLEO-SI 2015. Optical Society of America (OSA), 1 p. (CLEO: Science and Innovations, CLEO-SI 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electroluminescence
electroluminescence
cascades
broadband
Lasers
2014

Asymmetric multi-quantum well infrared photodetector with a bound state in the continuum

Penello, G. M., Ravikumar, A. P., Sivco, D. L. & Gmachl, C. F., Jan 1 2014, CLEO: QELS_Fundamental Science, CLEO_QELS 2014. Optical Society of American (OSA), (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Quantum well infrared photodetectors
quantum well infrared photodetectors
continuums
Photocurrents
photocurrents

Asymmetric multi-quantum well infrared photo detector with a bound state in the continuum

Penello, G. M., Ravikumar, A. P., Sivco, D. L. & Gmachl, C. F., Jan 1 2014, 2014 Conference on Lasers and Electro-Optics, CLEO 2014. Institute of Electrical and Electronics Engineers Inc., Vol. 2014-January. 6988528

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Quantum well infrared photodetectors
quantum well infrared photodetectors
Semiconductor quantum wells
quantum wells
continuums

Evanescent coupling of a center-cleaved mid-infrared quantum cascade laser to a suspended silicon-on-insulator waveguide

Sadeghi, A. & Gmachl, C. F., Nov 18 2014, IEEE International Conference on Group IV Photonics GFP. IEEE Computer Society, p. 29-30 2 p. 6962012. (IEEE International Conference on Group IV Photonics GFP).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Quantum cascade lasers
Silicon
Waveguides
Infrared radiation
Finite element method
17 Citations (Scopus)

High detectivity short-wavelength II-VI quantum cascade detector

Ravikumar, A. P., Garcia, T. A., Jesus, J. D., Tamargo, M. C. & Gmachl, C. F., Aug 11 2014, In : Applied Physics Letters. 105, 6, 061113.

Research output: Contribution to journalArticle

cascades
background radiation
detectors
wavelengths
spectral bands

High detectivity short-wavelength II-VI quantum cascade detector

Ravikumar, A. P., Garcia, T. A., Jesus, J. D., Tamargo, M. C. & Gmachl, C. F., Jan 1 2014, CLEO: Science and Innovations, CLEO_SI 2014. Optical Society of American (OSA)

Research output: Chapter in Book/Report/Conference proceedingConference contribution

cascades
Detectors
Wavelength
detectors
wavelengths

High detectivity short-wavelength II-VI quantum cascade detector

Ravikumar, A. P., Garcia, T. A., De Jesus, J., Tamargo, M. C. & Gmachl, C. F., Jan 1 2014.

Research output: Contribution to conferencePaper

cascades
Detectors
Wavelength
detectors
wavelengths
9 Citations (Scopus)

High peak power (≥10 mW) quantum cascade superluminescent emitter

Aung, N. L., Yu, Z., Yu, Y., Liu, P. Q., Wang, X., Fan, J. Y., Troccoli, M. & Gmachl, C. F., Dec 1 2014, In : Applied Physics Letters. 105, 22, 221111.

Research output: Contribution to journalArticle

flat surfaces
cascades
emitters
quantum cascade lasers
mirrors

High power (>3 mW) quantum cascade superluminescent emitter

Aung, N. L., Yu, Z., Yu, Y., Yao, Y., Liu, P., Wang, X., Fan, J. Y., Troccoli, M. & Gmachl, C. F., Jan 1 2014, 2014 Conference on Lasers and Electro-Optics, CLEO 2014. Institute of Electrical and Electronics Engineers Inc., Vol. 2014-January. 6989805

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Full width at half maximum
cascades
emitters
Infrared radiation

High power (>3 mW) quantum cascade superluminescent emitter

Aung, N. L., Yu, Z., Yu, Y., Yao, Y., Liu, P., Wang, X., Fan, J. Y., Troccoli, M. & Gmachl, C. F., Jan 1 2014, CLEO: Science and Innovations, CLEO_SI 2014. Optical Society of American (OSA)

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Full width at half maximum
cascades
emitters
Infrared radiation
4 Citations (Scopus)

III-nitride quantum cascade detector grown by metal organic chemical vapor deposition

Song, Y., Bhat, R., Huang, T. Y., Badami, P., Zah, C. E. & Gmachl, C. F., Nov 3 2014, In : Applied Physics Letters. 105, 18, 182104.

Research output: Contribution to journalArticle

nitrides
metalorganic chemical vapor deposition
cascades
detectors
temperature
4 Citations (Scopus)

Importance of growth direction in mid-infrared quantum cascade lasers

Bouzi, P. M., Chiu, Y., Deutsch, C., Dikmelik, Y., Song, Y., Tokranov, V., Oktyabrsky, S. & Gmachl, C. F., Jul 21 2014, In : Journal of Applied Physics. 116, 3, 034504.

Research output: Contribution to journalArticle

quantum cascade lasers
infrared lasers
roughness
life (durability)
electroluminescence
6 Citations (Scopus)

Low-strain, quantum-cascade-laser active regions grown on metamorphic buffer layers for emission in the 3.0-4.0 μm wavelength region

Mawst, L. J., Kirch, J. D., Kim, T. W., Garrod, T., Boyle, C., Botez, D., Zutter, B., Schulte, K., Kuech, T. F., Bouzi, P. M., Gmachl, C. F. & Earles, T., Jan 1 2014, In : IET Optoelectronics. 8, 2, p. 25-32 8 p.

Research output: Contribution to journalArticle

Quantum cascade lasers
quantum cascade lasers
Buffer layers
buffers
Wavelength