Journal
OPTICS LETTERS
Volume 40, Issue 21, Pages 5117-5120Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.40.005117
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Funding
- Air Force Office of Scientific Research (AFOSR) [FA9550-12-1-0377]
- Defense Advanced Research Projects Agency (DARPA) (QuASAR)
- National Science Foundation (NSF) [ECCS-1306035, ECS-0335765]
- Semiconductor Research Corporation (SRC)
- Swiss Innovation Promotion Agency [17137.1 PFMN-NM]
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [1306035] Funding Source: National Science Foundation
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We demonstrate the generation of a supercontinuum spanning more than 1.4 octaves in a silicon nitride waveguide using sub-100-fs pulses at 1 mu m generated by either a 53-MHz, diode-pumped ytterbium (Yb) fiber laser or a 1-GHz, Yb: CaAlGdO4 (Yb: CALGO) laser. Our numerical simulations show that the broadband supercontinuum is fully coherent, and a spectral interference measurement is used to verify that the supercontinuum generated with the Yb: CALGO laser possesses a high degree of coherence over the majority of its spectral bandwidth. This coherent spectrum may be utilized for optical coherence tomography, spectroscopy, and frequency metrology. (C) 2015 Optical Society of America
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