Coherent two-octave-spanning supercontinuum generation in lithium-niobate waveguides.
Opt Lett
; 44(5): 1222-1225, 2019 Mar 01.
Article
en En
| MEDLINE
| ID: mdl-30821753
ABSTRACT
We demonstrate coherent supercontinuum generation (SCG) in a monolithically integrated lithium-niobate waveguide, under the presence of second- and third-order nonlinear effects. We achieve more than two octaves of optical bandwidth in a 0.5-cm-long waveguide with 100-picojoule-level pulses. Dispersion engineering of the waveguide allows for spectral overlap between the SCG and the second harmonic, which enables direct detection of the carrier-envelope offset frequency fCEO using a single waveguide. We measure the fCEO of our femtosecond pump source with a 30-dB signal-to-noise ratio.
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01-internacional
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MEDLINE
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En
Revista:
Opt Lett
Año:
2019
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Article