selected publications
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conference proceeding
- Mid-Infrared Dual-Comb Spectroscopy of Liquid-Phase Samples using Attenuated Total Reflectance 2018
- Synchronization of Distant Optical Clocks Across Free-Space Optical Links 2017
- Broadband Mid-Infrared Dual Comb Spectroscopy with Comb-Tooth Resolution and High Signal-To-Noise Ratio 2017
- Comparison of dual frequency comb absorption spectra of air-broadened water vapor up to 1300K with HITRAN Online and HITEMP2010 models 2017
- Dual-comb Spectroscopy for City-scale Open Path Greenhouse Gas Monitoring 2016
- Frequency Comb Measurements Through Turbulent Paths 2016
- Optical Synchronization of Clocks across a 12-km Turbulent Air Path over a City 2016
- Phase Noise-Induced Biases in Coherent Dual-Comb Spectroscopy 2016
- Remote Synchronization of a Microwave Clock to an Optical Clock at the Femtosecond Level 2016
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Enhanced Link Availability for Free Space Optical Time-Frequency Transfer Using Adaptive Optic Terminals.
Proceedings of SPIE.
2016
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Optical system design for femtosecond-level synchronization of clocks.
Proceedings of SPIE.
2016
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Mid-infrared optical frequency combs based on difference frequency generation for molecular spectroscopy.
Optics Express.
26814-26824.
2015
- Dual-Frequency Comb Measurements of Atmospheric Absorption: Comparison with HITRAN Database Parameters 2015
- Synchronization of optical oscillators over a free-space link at the femtosecond level 2015
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CO2 Phase and Amplitude Spectra Measured over 2 km Outdoor Path With a Dual-Comb Spectrometer.
Proceedings of SPIE.
2014
- Comb-assisted Swept Laser Spectroscopy with a Mode-Hop-Free Tunable External Cavity QCL 2012
- High-resolution Ranging of a Diffuse Target at Sub-Millisecond Intervals with a Calibrated FMCW Lidar 2012
- Two-Way Link for Time Interval Comparison of Optical Clocks over Free-Space 2012
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Precision Spectroscopy with Frequency Combs at 3.4 mu m.
Proceedings of SPIE.
2011
- Dual-Comb Based Measurement of Frequency Agile Lasers 2011
- High Accuracy Molecular Spectroscopy with Combs Broadened From 1.35 to 1.7 mu m 2011
- Ultra-Broadband Chirp Linearity Characterization with an Optical Frequency Comb 2011
- Broadband coherent spectroscopy in the near infrared using dual coherent frequency combs. ACS National Meeting Book of Abstracts. 2010
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Spectroscopy with a coherent dual frequency comb interferometer at 3.4 mu m.
Proceedings of SPIE.
2010
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Performance improvement of AlN/GaN-based intersubband detectors thanks to quantum dot active regions.
Proceedings of SPIE.
2010
- Dual Frequency Comb Sampling of a Quasi-Thermal Incoherent Light Source 2010
- Dual Frequency Combs at 3.4 mu m with Subhertz Residual Linewidths 2010
- Fast and Accurate Comb-based Spectral Analysis of a Frequency Agile CW Laser 2010
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Mid-infrared quantum cascade detectors for applications in spectroscopy and pyrometry.
Proceedings of SPIE.
2010
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Mid-infrared quantum cascade detectors for applications in spectroscopy and pyrometry.
Applied Physics B: Lasers and Optics.
313-320.
2009
- Vibration immune fiber-laser frequency comb based on a polarization-maintaining figure-eight laser. 1459-+. 2009
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Monolithically integrated UV/IR-photodetectors based on an AlN/GaN-based superlattice grown on an AlGaN buffer layer.
Physica Status Solidi C: Current Topics in Solid State Physics.
S818-S821.
2008
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AIN/GaN-superlattice structures for the fabrication of intersubband detectors in the telecom wavelength range.
Proceedings of SPIE.
2008
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Characterization of an optically pumped ZnO-based 3(rd) order distributed feedback laser.
Proceedings of SPIE.
2008
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MBE growth of AlN/GaN-based photovoltaic intersubband photodetectors.
Physica Status Solidi A: Applications and Materials Science.
1060-1063.
2007
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Latest developments in GaN-based quantum devices for infrared optoelectronics.
Journal of Materials Science: Materials in Electronics.
821-827.
2007
- Photovoltaic Detectors in the GaN/AlN Intersubbandsystem operating at 1.55 mu m. 165-+. 2007
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GaN/AlN electro-optical modulator prototype at telecommunication wavelengths.
Physica Status Solidi C: Current Topics in Solid State Physics.
1621-+.
2006
- 1.55 gm electro-optical modulator using intersubband transitions in GaN/AlN superlattices. AIP Conference Proceedings. 335-+. 2006
- Plasma-assisted MBE growth of nitride-based intersubband detectors. AIP Conference Proceedings. 481-482. 2006
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III-nitride nanostructures for infrared optoelectronics.
Acta Physica Polonica, Series A: General Physics, Physics of Condensed Matter, Optics and Quantum Electrodynamics.
295-301.
2006
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MBE growth of nitride-based photovoltaic intersubband detectors.
Superlattices and Microstructures.
418-425.
2006
- Sensors for measuring forcesand moments with application to ground vehicle design and engineering. 161-168. 2005
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Resonant tunnelling and intersubband absorption in AIN - GaN superlattices.
Physica Status Solidi C: Current Topics in Solid State Physics.
1014-1018.
2004
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journal article
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Validation of open-path dual-comb spectroscopy against an O-2 background.
Optics Express.
5042-5055.
2023
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Mid-infrared dual frequency comb spectroscopy for combustion analysis from 2.8 to 5 mu m.
Proceedings of the Combustion Institute.
1627-1635.
2021
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Precise multispecies agricultural gas flux determined using broadband open-path dual-comb spectroscopy.
Science Advances.
2021
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Compact mid-infrared dual-comb spectrometer for outdoor spectroscopy.
Optics Express.
14740-14752.
2020
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Dual-comb spectroscopy with tailored spectral broadening in Si3N4 nanophotonics.
Optics Express.
11869-11876.
2019
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Estimating vehicle carbon dioxide emissions from Boulder, Colorado, using horizontal path-integrated column measurements.
Atmospheric Chemistry and Physics.
4177-4192.
2019
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Mid-infrared dual-comb spectroscopy of volatile organic compounds across long open-air paths.
Optica.
165-168.
2019
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Real-time liquid-phase organic reaction monitoring with mid-infrared attenuated total reflectance dual frequency comb spectroscopy.
Journal of Molecular Spectroscopy.
39-45.
2019
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Speed-dependent Voigt lineshape parameter database from dual frequency comb measurements at temperatures up to 1305 K. Part II: Argon-broadened H2O absorption, 6801-7188 cm(-1).
Journal of Quantitative Spectroscopy and Radiative Transfer.
189-212.
2018
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Coherent laser ranging for precision imaging through flames.
Optica.
988-995.
2018
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Speed-dependent Voigt lineshape parameter database from dual frequency comb measurements up to 1305 K. Part I: Pure H2O absorption, 6801-7188 cm(-1).
Journal of Quantitative Spectroscopy and Radiative Transfer.
240-250.
2018
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Regional trace-gas source attribution using a field-deployed dual frequency comb spectrometer.
Optica.
320-327.
2018
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High-coherence mid-infrared dual-comb spectroscopy spanning 2.6 to 5.2 mu m.
Nature Photonics.
202-+.
2018
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High temperature comparison of the HITRAN2012 and HITEMP2010 water vapor absorption databases to frequency comb measurements.
Journal of Quantitative Spectroscopy and Radiative Transfer.
194-205.
2017
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Intercomparison of open-path trace gas measurements with two dual-frequency-comb spectrometers.
Atmospheric Measurement Techniques.
3295-3311.
2017
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Open-path dual-comb spectroscopy to an airborne retroreflector.
Optica.
724-728.
2017
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Dual frequency comb laser absorption spectroscopy in a 16 MW gas turbine exhaust.
Proceedings of the Combustion Institute.
4565-4573.
2017
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Accurate frequency referencing for fieldable dual-comb spectroscopy.
Optics Express.
30495-30504.
2016
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Synchronization of clocks through 12 km of strongly turbulent air over a city.
Applied Physics Letters.
2016
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Synchronization of Distant Optical Clocks at the Femtosecond Level.
Physical Review X.
2016
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Tight real-time synchronization of a microwave clock to an optical clock across a turbulent air path.
Optica.
441-447.
2016
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Broadband Phase Spectroscopy over Turbulent Air Paths.
Physical Review Letters.
2015
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Open-air, broad-bandwidth trace gas sensing with a mid-infrared optical frequency comb.
Applied Physics B: Lasers and Optics.
327-338.
2015
- Mid-Infrared Optical Frequency Combs based on Difference Frequency Generation for Dual-Comb Spectroscopy. Optics Express. 2015
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Frequency-comb-based remote sensing of greenhouse gases over kilometer air paths.
Optica.
290-298.
2014
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Comb-calibrated laser ranging for three-dimensional surface profiling with micrometer-level precision at a distance.
Optics Express.
24914-24928.
2014
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Speckle phase noise in coherent laser ranging: fundamental precision limitations.
Optics Letters.
4776-4779.
2014
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Optical phase noise from atmospheric fluctuations and its impact on optical time-frequency transfer.
Physical Review A: Atomic, Molecular and Optical Physics.
2014
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Comb-calibrated frequency-modulated continuous-wave ladar for absolute distance measurements.
Optics Letters.
2026-2028.
2013
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Optical two-way time and frequency transfer over free space.
Nature Photonics.
435-439.
2013
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Broad-band frequency references in the near-infrared: Accurate dual comb spectroscopy of methane and acetylene.
Journal of Quantitative Spectroscopy and Radiative Transfer.
26-39.
2013
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Absolute spectroscopy of N2O near 4.5 mu m with a comb-calibrated, frequency-swept quantum cascade laser spectrometer.
Optics Express.
1020-1029.
2013
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Frequency characterization of a swept- and fixed-wavelength external-cavity quantum cascade laser by use of a frequency comb.
Optics Express.
12432-12442.
2012
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Direct-comb molecular spectroscopy with accurate, resolved comb teeth over 43 THz.
Optics Letters.
638-640.
2012
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Characterizing Fast Arbitrary CW Waveforms With 1500 THz/s Instantaneous Chirps.
IEEE Journal of Selected Topics in Quantum Electronics.
228-238.
2012
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Spectroscopy of the methane nu(3) band with an accurate midinfrared coherent dual-comb spectrometer.
Physical Review A: Atomic, Molecular and Optical Physics.
2011
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Microwave generation with low residual phase noise from a femtosecond fiber laser with an intracavity electro-optic modulator.
Optics Express.
24387-24395.
2011
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Characterization of an actively linearized ultrabroadband chirped laser with a fiber-laser optical frequency comb.
Optics Letters.
1152-1154.
2011
- Microwave generation with low residual phase noise from a femtosecond fiber laser with an intracavity EOM. Optics Express. 2011
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Fast high-resolution spectroscopy of dynamic continuous-wave laser sources.
Nature Photonics.
853-857.
2010
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Intersubband Transition-Based Processes and Devices in AlN/GaN-Based Heterostructures.
Proceedings of the Institute of Electrical and Electronics Engineers (IEEE).
1234-1248.
2010
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Quantum Cascade Detectors.
IEEE Journal of Quantum Electronics.
1029-1042.
2009
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Photodetectors based on intersubband transitions using III-nitride superlattice structures.
Journal of Physics: Condensed Matter.
2009
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High-performance, vibration-immune, fiber-laser frequency comb.
Optics Letters.
638-640.
2009
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Midinfrared quantum cascade detector with a spectrally broad response.
Applied Physics Letters.
2008
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GaN/AlN short-period superlattices for intersubband optoelectronics: A systematic study of their epitaxial growth, design, and performance.
Journal of Applied Physics.
2008
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Monolithically integrated AlGaN/GaN/AIN-based solar-blind ultraviolet and near-infrared detectors.
Electronics Letters.
986-988.
2008
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High frequency measurements on an AlN/GaN-based intersubband detector at 1550 and 780 nm.
Applied Physics Letters.
2008
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Short wavelength (4 mu m) quantum cascade detector based on strain compensated InGaAs/InAlAs.
Applied Physics Letters.
2008
-
Applications for quantum cascade lasers and detectors in mid-infrared high-resolution heterodyne astronomy.
Applied Physics B: Lasers and Optics.
187-190.
2008
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Lattice-matched GaN-InAlN waveguides at lambda=1.55 mu m grown by metal-organic vapor phase epitaxy.
IEEE Photonics Technology Letters.
102-104.
2008
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Optically nonlinear effects in intersubband transitions of GaN/AlN-based superlattice structures.
Applied Physics Letters.
2007
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Demonstration of an ultraviolet ZnO-based optically pumped third order distributed feedback laser.
Applied Physics Letters.
2007
-
InGaAs/AlAsSb quantum cascade detectors operating in the near infrared.
Applied Physics Letters.
2007
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16.5 mu m quantum cascade detector using miniband transport.
Applied Physics Letters.
2007
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Structural investigations of epitaxial InN by x-ray photoelectron diffraction and x-ray diffraction.
Applied Physics Letters.
2007
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High frequency (f=2.37 GHz) room temperature operation of 1.55 mu m AlN/GaN-based intersubband detector.
Electronics Letters.
185-187.
2007
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Ultrafast hole burning in intersubband absorption lines of GaN/AlN superlattices.
Applied Physics Letters.
2006
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Electrically adjustable intersubband absorption of a GaN/AlN superlattice grown on a transistorlike structure.
Applied Physics Letters.
2006
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Near infrared absorption and room temperature photovoltaic response in AlN/GaN superlattices grown by metal-organic vapor-phase epitaxy.
Applied Physics Letters.
2006
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High-quality AlN/GaN-superlattice structures for the fabrication of narrow-band 1.4 mu m photovoltaic intersubband detectors.
Applied Physics Letters.
2006
-
Intersubband photoconductivity at 1.6 mu m using a strain-compensated AlN/GaN superlattice.
Applied Physics Letters.
2005
-
Tunneling effects and intersubband absorption in AIN/GaN superlattices.
Applied Physics Letters.
2005
-
Validation of open-path dual-comb spectroscopy against an O-2 background.
Optics Express.
5042-5055.
2023