Frequency locking of an extended-cavity quantum cascade laser to a frequency comb for precision mid infrared spectroscopy

Handle URI:
http://hdl.handle.net/10754/626115
Title:
Frequency locking of an extended-cavity quantum cascade laser to a frequency comb for precision mid infrared spectroscopy
Authors:
Alsaif, Bidoor; Lamperti, Marco; Gatti, Davide; Laporta, Paolo; Fermann, Martin E.; Farooq, Aamir ( 0000-0001-5296-2197 ) ; Marangoni, Marco
Abstract:
Extended-cavity quantum cascade lasers (EC-QCLs) enable mode-hope-free frequency sweeps in the mid-infrared region over ranges in excess of 100 cm−1, at speeds up to 1 THz/s and with a 100-mW optical power level. This makes them ideally suited for broadband absorption spectroscopy and for the simultaneous detection of multiple gases. On the other hand, their use for precision spectroscopy has been hampered so far by a large amount of frequency noise, resulting in an optical linewidth of about 30 MHz over 50 ms [1]. This is one of the reasons why neither their frequency nor their phase have been so far locked to a frequency comb. Their use in combination with frequency combs has been performed in an open loop regime only [2], which has the merit of preserving the inherently fast modulation speed of these lasers, yet not to afford high spectral resolution and accuracy.
KAUST Department:
Clean Combustion Research Center
Citation:
Alsaif B, Lamperti M, Gatti D, Laporta P, Fermann ME, et al. (2017) Frequency locking of an extended-cavity quantum cascade laser to a frequency comb for precision mid infrared spectroscopy. 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). Available: http://dx.doi.org/10.1109/cleoe-eqec.2017.8087487.
Publisher:
IEEE
Journal:
2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)
Issue Date:
2-Nov-2017
DOI:
10.1109/cleoe-eqec.2017.8087487
Type:
Presentation
Sponsors:
This work was supported by the project FEAST (OSR-2016-CCF-1975-06).
Additional Links:
http://ieeexplore.ieee.org/document/8087487/
Appears in Collections:
Clean Combustion Research Center; Presentations

Full metadata record

DC FieldValue Language
dc.contributor.authorAlsaif, Bidooren
dc.contributor.authorLamperti, Marcoen
dc.contributor.authorGatti, Davideen
dc.contributor.authorLaporta, Paoloen
dc.contributor.authorFermann, Martin E.en
dc.contributor.authorFarooq, Aamiren
dc.contributor.authorMarangoni, Marcoen
dc.date.accessioned2017-11-06T07:09:04Z-
dc.date.available2017-11-06T07:09:04Z-
dc.date.issued2017-11-02en
dc.identifier.citationAlsaif B, Lamperti M, Gatti D, Laporta P, Fermann ME, et al. (2017) Frequency locking of an extended-cavity quantum cascade laser to a frequency comb for precision mid infrared spectroscopy. 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). Available: http://dx.doi.org/10.1109/cleoe-eqec.2017.8087487.en
dc.identifier.doi10.1109/cleoe-eqec.2017.8087487en
dc.identifier.urihttp://hdl.handle.net/10754/626115-
dc.description.abstractExtended-cavity quantum cascade lasers (EC-QCLs) enable mode-hope-free frequency sweeps in the mid-infrared region over ranges in excess of 100 cm−1, at speeds up to 1 THz/s and with a 100-mW optical power level. This makes them ideally suited for broadband absorption spectroscopy and for the simultaneous detection of multiple gases. On the other hand, their use for precision spectroscopy has been hampered so far by a large amount of frequency noise, resulting in an optical linewidth of about 30 MHz over 50 ms [1]. This is one of the reasons why neither their frequency nor their phase have been so far locked to a frequency comb. Their use in combination with frequency combs has been performed in an open loop regime only [2], which has the merit of preserving the inherently fast modulation speed of these lasers, yet not to afford high spectral resolution and accuracy.en
dc.description.sponsorshipThis work was supported by the project FEAST (OSR-2016-CCF-1975-06).en
dc.publisherIEEEen
dc.relation.urlhttp://ieeexplore.ieee.org/document/8087487/en
dc.rightsArchived with thanks to 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)en
dc.titleFrequency locking of an extended-cavity quantum cascade laser to a frequency comb for precision mid infrared spectroscopyen
dc.typePresentationen
dc.contributor.departmentClean Combustion Research Centeren
dc.identifier.journal2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)en
dc.eprint.versionPublisher's Version/PDFen
dc.contributor.institutionPhysics Department of Politecnico di Milano and IFN-CNR, Via Gaetano Previati 1/C 23900 Lecco, Italyen
dc.contributor.institutionIMRA America Inc., 1044 Woodridge Avenue, Ann Arbor, MI 48105-9774, USAen
kaust.authorAlsaif, Bidooren
kaust.authorFarooq, Aamiren
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