23 March 2005 Ultra-broadband second-harmonic generation using spectral angular dispersion in quasi-phase-matched nonlinear materials
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Abstract
We demonstrate the use of spectral angular dispersion in quasi-phase-matched second-harmonic generation (SHG) of 138 fs pulse at 1550 nm in a 1-cm-long crystal of periodically-poled lithium niobate (collinear acceptance bandwidth 13 times narrower than the first-harmonic bandwidth) with minimal spectral narrowing. In addition, we discuss the unique potential of quasi-phase-matched nonlinear materials in noncollinear SHG, and compare this technique to other methods for broadband frequency conversion.
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Andrew M. Schober, Andrew M. Schober, Mathieu Charbonneau-Lefort, Mathieu Charbonneau-Lefort, Martin M. Fejer, Martin M. Fejer, "Ultra-broadband second-harmonic generation using spectral angular dispersion in quasi-phase-matched nonlinear materials", Proc. SPIE 5710, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications IV, (23 March 2005); doi: 10.1117/12.589877; https://doi.org/10.1117/12.589877
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