An ultrabroad infrared continuum can be produced using optical parametric generation (OPG) in quasi-phasematched GaAs. Spectra over an octave wide, spanning 4.5 to 10.7 microns, measured 20dB down from the peak, have been observed.
© 2006 Optical Society of America
P. S. Kuo, "Broadband Continuum Generation in GaAs," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CThG4.
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