Coherent Multiheterodyne Spectroscopy Using Stabilized Optical Frequency Combs

Coddington, Ian; Swann, William C.; Newbury, Nathan R.

doi:10.1103/physrevlett.100.013902

Cited by 710 publications

(329 citation statements)

References 23 publications

Supporting

Mentioning

326

Contrasting

Order By: Relevance

“…Dual-frequencycomb spectroscopy combines two of these combs with very slightly different pulse repetition rates that differ by f r and sends the light through the sample and on to a detector (see Fig. 1a) (Schiller, 2002;Schliesser et al, 2005;Coddington et al, 2008Coddington et al, , 2016Ideguchi, 2017). It is also possible to transmit only a single comb through the sample to measure both dispersion and absorbance (Giorgetta et al, 2015).…”

Section: Dual-comb Spectroscopymentioning

confidence: 99%

“…The basic technique of dual-comb spectroscopy is illustrated in Fig. 1 and described in more detail in the literature (Schiller, 2002;Schliesser et al, 2005;Coddington et al, 2008Coddington et al, , 2016.…”

Section: Dual-comb Spectroscopymentioning

confidence: 99%

“…As a result, the x axis of the measured RF spectrum can simply be scaled to generate the optical spectrum. A more detailed explanation is given in Coddington et al (2008). (b) Actual spectrum from DCS A acquired in 1.15 s after transmission through a 2 km air path.…”

Section: Dual-comb Spectroscopymentioning

confidence: 99%

See 2 more Smart Citations

Intercomparison of open-path trace gas measurements with two dual-frequency-comb spectrometers

et al. 2017

Self Cite

View full text Add to dashboard Cite

Abstract. We present the first quantitative intercomparison between two open-path dual-comb spectroscopy (DCS) instruments which were operated across adjacent 2 km openair paths over a 2-week period. We used DCS to measure the atmospheric absorption spectrum in the near infrared from 6023 to 6376 cm −1 (1568 to 1660 nm), corresponding to a 355 cm −1 bandwidth, at 0.0067 cm −1 sample spacing. The measured absorption spectra agree with each other to within 5 × 10 −4 in absorbance without any external calibration of either instrument. The absorption spectra are fit to retrieve path-integrated concentrations for carbon dioxide (CO 2 ), methane (CH 4 ), water (H 2 O), and deuterated water (HDO). The retrieved dry mole fractions agree to 0.14 % (0.57 ppm) for CO 2 , 0.35 % (7 ppb) for CH 4 , and 0.40 % (36 ppm) for H 2 O at ∼ 30 s integration time over the 2-week measurement campaign, which included 24 • C outdoor temperature variations and periods of strong atmospheric turbulence. This agreement is at least an order of magnitude better than conventional active-source open-path instrument intercomparisons and is particularly relevant to future regional flux measurements as it allows accurate comparisons of open-path DCS data across locations and time. We additionally compare the open-path DCS retrievals to a World Meteorological Organization (WMO)-calibrated cavity ring-down point sensor located along the path with good agreement. Shortterm and long-term differences between the open-path DCS and point sensor are attributed, respectively, to spatial sampling discrepancies and to inaccuracies in the current spectral database used to fit the DCS data. Finally, the 2-week measurement campaign yields diurnal cycles of CO 2 and CH 4 that are consistent with the presence of local sources of CO 2 and absence of local sources of CH 4 .

show abstract

Section: Dual-comb Spectroscopymentioning

confidence: 99%

Section: Dual-comb Spectroscopymentioning

confidence: 99%

See 1 more Smart Citation

Intercomparison of open-path trace gas measurements with two dual-frequency-comb spectrometers

et al. 2017

Self Cite

View full text Add to dashboard Cite

show abstract

“…OCIS codes: (320.5540) Pulse shaping; (320.7100) Ultrafast Measurements; (070.7145) Ultrafast processing; (060.0060) Fiber optics and optical communications; (130.3990) Micro-optical devices Optical frequency combs consisting of periodic discrete spectral lines with fixed frequency positions are powerful tools for high precision frequency metrology, spectroscopy, broadband gas sensing, optical clocks, and other applications [1][2][3][4][5][6][7]. Frequency combs generated in mode locked lasers can be self-referenced to have both stabilized optical frequencies and repetition rates (with repetition rates below ~1 GHz in most cases) [8].…”

mentioning

confidence: 99%

Spectral line-by-line pulse shaping of on-chip microresonator frequency combs

et al. 2011

View full text Add to dashboard Cite

We report, for the first time to the best of our knowledge, spectral phase characterization and line-by-line pulse shaping of an optical frequency comb generated by nonlinear wave mixing in a microring resonator. Through programmable pulse shaping the comb is compressed into a train of near-transform-limited pulses of ≈ 300 fs duration (intensity full width half maximum) at 595 GHz repetition rate. An additional, simple example of optical arbitrary waveform generation is presented. The ability to characterize and then stably compress the frequency comb provides new data on the stability of the spectral phase and

show abstract

“…The accumulation of such waves on a simple photodectector delivers a signal which is the Fourier transform of the product of the combs. This method, now known as dual comb spectroscopy, was initiated by Shiller [10] in 2002 before full demonstrations by authors of [2,11,12].…”

Section: Frequency Comb Fourier Spectroscopymentioning

confidence: 99%

Recent progress of laser metrology in chemically reacting flows at onera

Mohamed

Dorval

Vilmart

et al. 2017

Progress in Flight Physics

View full text Add to dashboard Cite

This paper presents some of the development actions performed these last years at ONERA using laser spectroscopic techniques to probe chemically reacting §ows. Techniques like laser absorption, laser induced §u-orescence (LIF), and Raman scattering will be described with focus on present drawbacks as well as expectations from new laser technologies (Interband Cascade Lasers (ICL) diodes, Optical Parametrical Oscillators (OPO), frequency comb, and femto/picosecond lasers) before showing some results of recent applications in ground facilities.

show abstract

Coherent Multiheterodyne Spectroscopy Using Stabilized Optical Frequency Combs

Cited by 710 publications

References 23 publications

Intercomparison of open-path trace gas measurements with two dual-frequency-comb spectrometers

Intercomparison of open-path trace gas measurements with two dual-frequency-comb spectrometers

Spectral line-by-line pulse shaping of on-chip microresonator frequency combs

Recent progress of laser metrology in chemically reacting flows at onera

Contact Info

Product

Resources

About