Mid-infrared to ultraviolet efficient multiphoton frequency upconversion in NbOI2 crystals

Mid-infrared to ultraviolet efficient multiphoton frequency upconversion in NbOI2 crystals

The mid-infrared (MIR) range of the electromagnetic spectrum can be indirectly accessed by frequency upconversion. Here, authors propose a phase-matching-free scheme for broadband and efficient upconversion, covering wavelengths from MIR to ultraviolet with h…

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    Mid-infrared to ultraviolet efficient multiphoton frequency upconversion in NbOI2 crystals - FHMnews