期刊
OPTICS LETTERS
卷 44, 期 5, 页码 1222-1225出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.44.001222
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资金
- National Science Foundation (NSF) [ECCS1609549, ECCS-1740296 E2CDA, ECCS1541959]
- Defense Advanced Research Projects Agency (DARPA) [W31P4Q-15-1-0013]
- Air Force Office of Scientific Research (AFOSR) [FA9550-15-1-0303]
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 f(CEO) using a single waveguide. We measure the f(CEO) of our femtosecond pump source with a 30-dB signal-to-noise ratio. (c) 2019 Optical Society of America
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