Multiheterodyne spectroscopy using interband cascade lasers

Lukasz A. Sterczewski, Jonas Westberg, Charles Link Patrick, Chul Soo Kim, Mijin Kim, Chadwick L. Canedy, William W. Bewley, Charles D. Merritt, Igor Vurgaftman, Jerry R. Meyer, Gerard Wysocki

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

While midinfrared radiation can be used to identify and quantify numerous chemical species, contemporary broadband midinfrared spectroscopic systems are often hindered by large footprints, moving parts, and high power consumption. In this work, we demonstrate multiheterodyne spectroscopy (MHS) using interband cascade lasers, which combines broadband spectral coverage with high spectral resolution and energy-efficient operation. The lasers generate up to 30 mW of continuous-wave optical power while consuming <0.5W of electrical power. A computational phase and timing correction algorithm is used to obtain kHz linewidths of the multiheterodyne beat notes and up to 30 dB improvement in signal-to-noise ratio. The versatility of the multiheterodyne technique is demonstrated by performing both rapidly swept absorption and dispersion spectroscopic assessments of low-pressure ethylene (C2H4) acquired by extracting a single beat note from the multiheterodyne signal, as well as broadband MHS of methane (CH4) acquired with all available beat notes with microsecond temporal resolution and an instantaneous optical bandwidth of ∼240GHz. The technology shows excellent potential for portable and high-resolution solid-state spectroscopic chemical sensors operating in the midinfrared.

Original languageEnglish (US)
Article number011014
JournalOptical Engineering
Volume57
Issue number1
DOIs
StatePublished - Jan 1 2018

Fingerprint

synchronism
cascades
Spectroscopy
broadband
Lasers
Spectral resolution
Chemical sensors
Linewidth
spectroscopy
lasers
Signal to noise ratio
Ethylene
Methane
Electric power utilization
high resolution
footprints
versatility
temporal resolution
Bandwidth
Radiation

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Atomic and Molecular Physics, and Optics

Cite this

Sterczewski, L. A., Westberg, J., Patrick, C. L., Kim, C. S., Kim, M., Canedy, C. L., ... Wysocki, G. (2018). Multiheterodyne spectroscopy using interband cascade lasers. Optical Engineering, 57(1), [011014]. https://doi.org/10.1117/1.OE.57.1.011014
Sterczewski, Lukasz A. ; Westberg, Jonas ; Patrick, Charles Link ; Kim, Chul Soo ; Kim, Mijin ; Canedy, Chadwick L. ; Bewley, William W. ; Merritt, Charles D. ; Vurgaftman, Igor ; Meyer, Jerry R. ; Wysocki, Gerard. / Multiheterodyne spectroscopy using interband cascade lasers. In: Optical Engineering. 2018 ; Vol. 57, No. 1.
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Sterczewski, LA, Westberg, J, Patrick, CL, Kim, CS, Kim, M, Canedy, CL, Bewley, WW, Merritt, CD, Vurgaftman, I, Meyer, JR & Wysocki, G 2018, 'Multiheterodyne spectroscopy using interband cascade lasers', Optical Engineering, vol. 57, no. 1, 011014. https://doi.org/10.1117/1.OE.57.1.011014

Multiheterodyne spectroscopy using interband cascade lasers. / Sterczewski, Lukasz A.; Westberg, Jonas; Patrick, Charles Link; Kim, Chul Soo; Kim, Mijin; Canedy, Chadwick L.; Bewley, William W.; Merritt, Charles D.; Vurgaftman, Igor; Meyer, Jerry R.; Wysocki, Gerard.

In: Optical Engineering, Vol. 57, No. 1, 011014, 01.01.2018.

Research output: Contribution to journalArticle

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AU - Bewley, William W.

AU - Merritt, Charles D.

AU - Vurgaftman, Igor

AU - Meyer, Jerry R.

AU - Wysocki, Gerard

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Sterczewski LA, Westberg J, Patrick CL, Kim CS, Kim M, Canedy CL et al. Multiheterodyne spectroscopy using interband cascade lasers. Optical Engineering. 2018 Jan 1;57(1). 011014. https://doi.org/10.1117/1.OE.57.1.011014