Battery‐Operated Mid‐Infrared Diode Laser Frequency Combs

  title={Battery‐Operated Mid‐Infrared Diode Laser Frequency Combs},
  author={Lukasz A. Sterczewski and Mathieu Fradet and Clifford F. Frez and Siamak Forouhar and Mahmood Bagheri},
  journal={Laser \& Photonics Reviews},
Mid-wave infrared (MIR, 3–5 μm) optical frequency combs (OFC) are of critical importance for spectroscopy of fundamental molecular absorption features in space and terrestrial applications. Although in this band OFCs can be obtained via supercontinuum or difference frequency generation using optical pumping schemes, unprecedented source miniaturization and monolithic design are unique to electrically-pumped semiconductor laser structures. To date, high-brightness OFC generation in this region… 

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