Mid-infrared dual-comb spectroscopy with electro-optic modulators

  title={Mid-infrared dual-comb spectroscopy with electro-optic modulators},
  author={Ming Yan and Pei-Ling Luo and Kana Iwakuni and Guy Millot and Theodor W. H{\"a}nsch and Nathalie Picqu{\'e}},
  journal={Light, Science \& Applications},
Absorption spectroscopy of fundamental ro-vibrational transitions in the mid-infrared region provides a powerful tool for studying the structure and dynamics of molecules in the gas phase and for sensitive and quantitative gas sensing. Laser frequency combs permit novel approaches to perform broadband molecular spectroscopy. Multiplex dual-comb spectroscopy without moving parts can achieve particularly high speed, sensitivity and resolution. However, achieving Doppler-limited resolution in the… 

Two-micron all-fibered dual-comb spectrometer based on electro-optic modulators and wavelength conversion

Mid-infrared dual-comb spectroscopy offers interesting applications since molecules have their strongest rotational–vibrational absorptions in this frequency domain. Besides, generating frequency

Mid-infrared feed-forward dual-comb spectroscopy

A spectrometer for mid-infrared spectroscopy based on two frequency comb generators, light sources emitting narrow evenly spaced laser lines over a broad spectral bandwidth with experimental coherence times between the combs that exceed half an hour is described.

Broadband mid-infrared molecular spectroscopy based on passive coherent optical–optical modulated frequency combs

Mid-infrared dual-comb spectroscopy is of great interest owing to the strong spectroscopic features of trace gases, biological molecules, and solid matter with higher resolution, accuracy, and

Upconversion mid-infrared dual-comb spectroscopy

We devise a new detection technique for mid-infrared multi-heterodyne spectroscopy. As an experimental implementation, mid-infrared light interrogates a gas sample in the 3-$\mu$m region of the

Broadband 1-GHz mid-infrared frequency comb

Mid-infrared (MIR) spectrometers are invaluable tools for molecular fingerprinting and hyper-spectral imaging. Among the available spectroscopic approaches, GHz MIR dual-comb absorption spectrometers

Broadband high-resolution molecular spectroscopy with interleaved mid-infrared frequency combs

This work demonstrates the acquisition of 2.5 million spectral data points over the continuous wavelength range of 3.17–5.13 µm via interleaving comb-tooth-resolved spectra acquired with a highly-coherent broadband dual-frequency-comb system based on optical subharmonic generation.

Frequency comb spectroscopy

A laser frequency comb is a broad spectrum composed of equidistant narrow lines. Initially invented for frequency metrology, such combs enable new approaches to spectroscopy over broad spectral

Mid-Infrared Frequency Comb Generation and Spectroscopy with Few-Cycle Pulses and χ^{(2)} Nonlinear Optics.

This work demonstrates intrapulse difference frequency generation that yields few-cycle mid-infrared pulses in a single pass through periodically poled lithium niobate.

Broadband infrared spectroscopy of condensed phases with two intra-pulse difference-frequency-generation frequency combs

Mid-infrared (mid-IR) spectroscopy provides a way to study structures and dynamics of complicated molecules in condensed phases. Therefore, developing compact and broadband mid-IR spectrometer has

Dual-comb quartz-enhanced photoacoustic spectroscopy




Mid-infrared frequency comb based on a quantum cascade laser

A compact, broadband, semiconductor frequency comb generator that operates in the mid-infrared, and it is demonstrated that the modes of a continuous-wave, free-running, broadband quantum cascade laser are phase-locked.

Mid-infrared dual-comb spectroscopy with 2.4 μm Cr2+:ZnSe femtosecond lasers

The mid-infrared part of the electromagnetic spectrum is the so-called molecular fingerprint region because gases have tell-tale absorption features associated with molecular rovibrations. This

Mid-infrared optical frequency combs at 2.5 μm based on crystalline microresonators

This work demonstrates a novel approach to create mid-infrared optical frequency combs via four-wave mixing in a continuous-wave pumped ultra-high Q crystalline microresonator made of magnesium fluoride, which holds promise for new approaches to molecular spectroscopy.

Massively parallel dual-comb molecular detection with subharmonic optical parametric oscillators

Mid-infrared (mid-IR) spectroscopy offers unparalleled sensitivity for the detection of trace gases, solids and liquids, which is based on the existence of strong telltale vibrational bands in this

Mid-infrared frequency combs

This Review discusses the emerging field of mid-infrared frequency comb generation, including technologies based on novel laser gain media, nonlinear frequency conversion and microresonators, as well

Adaptive real-time dual-comb spectroscopy

This work experimentally demonstrates a concept of real-time dual-comb spectroscopy, which compensates for laser instabilities by electronic signal processing, and offers a powerful transdisciplinary instrument for analytical sciences.

Low phase-noise mid-infrared frequency combs based on microresonators

  • C. WangT. Herr T. Kippenberg
  • Physics
    2013 Conference on Lasers & Electro-Optics Europe & International Quantum Electronics Conference CLEO EUROPE/IQEC
  • 2013
Summary form only given. The mid-infrared spectral range (λ~2-20 mm) is of particular importance as many molecules exhibit strong vibrational fingerprints in this region. Optical frequency combs [1,

Mid-infrared frequency comb for broadband high precision and sensitivity molecular spectroscopy.

We report on the experimental demonstration of the metrological and spectroscopic performances of a mid-infrared comb generated by a nonlinear downconversion process from a Ti:sapphire-based

Two-crystal mid-infrared optical parametric oscillator for absorption and dispersion dual-comb spectroscopy.

The absorption and dispersion spectra of acetylene and methane have been measured, indicating that this OPO represents an ideal broadband mid-infrared source for fast chemical sensing.

Time-domain mid-infrared frequency-comb spectrometer.

A novel type of Fourier-transform infrared spectrometer based on two Ti:sapphire lasers emitting femtosecond pulse trains with slightly different repetition frequencies that superimposed upon a detector to produce purely time-domain interferograms that encode the infrared spectrum is demonstrated.