Journal
OPTICS EXPRESS
Volume 28, Issue 17, Pages 24833-24844Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.399743
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Funding
- U.S. Department of Energy [DE-SC0016925]
- National Science Foundation [1305931]
- Office of Naval Research [N00014-14-1-0573]
- U.S. Department of Energy (DOE) [DE-SC0016925] Funding Source: U.S. Department of Energy (DOE)
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The stability of optical beats in a chaotically oscillating laser is compared to that of a free-running continuous-wave laser using a highly efficient plasmonic photomixer. Using a chaotically oscillating laser diode, stable optical beats are observed over an operation current range of 60-90mA. The optical spectra are stable even with frequent mode hopping. In contrast, optical beats in a free-running continuous-wave laser are not stable compared to those of a chaotically oscillating laser, because of intermittent hopping of the laser modes. The high stability of chaotically oscillating lasers makes these lasers promising candidates for optical pump sources in terahertz time-domain spectroscopy systems. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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