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Title: Tunable quantum-cascade VECSEL operating at 19 THz

Abstract

We report a terahertz quantum-cascade vertical-external-cavity surface-emitting laser (QC-VECSEL) emitting around 1.9 THz with up to 10% continuous fractional frequency tuning of a single laser mode. The device shows lasing operation in pulsed mode up to 102 K in a high-quality beam, with the maximum output power of 37 mW and slope efficiency of 295 mW/A at 77 K. Challenges for up-scaling the operating wavelength in QC metasurface VECSELs are identified.

Authors:
ORCiD logo [1];  [1];  [2];  [2];  [1]
+ Show Author Affiliations
  1. Univ. of California, Los Angeles, CA (United States)
  2. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); National Aeronautics and Space Administration (NASA)
OSTI Identifier:
1830518
Report Number(s):
SAND-2021-13529J
Journal ID: ISSN 1094-4087; 701177; TRN: US2216503
Grant/Contract Number:  
NA0003525; 1711892; 1810163; 80NSSC19K0700
Resource Type:
Accepted Manuscript
Journal Name:
Optics Express
Additional Journal Information:
Journal Volume: 29; Journal Issue: 21; Journal ID: ISSN 1094-4087
Publisher:
Optical Society of America (OSA)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY

Citation Formats

Wu, Yu, Shen, Yue, Addamane, Sadhvikas, Reno, John L., and Williams, Benjamin S. Tunable quantum-cascade VECSEL operating at 19 THz. United States: N. p., 2021. Web. doi:10.1364/oe.438636.
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Wu, Yu, Shen, Yue, Addamane, Sadhvikas, Reno, John L., & Williams, Benjamin S. Tunable quantum-cascade VECSEL operating at 19 THz. United States. https://doi.org/10.1364/oe.438636
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Wu, Yu, Shen, Yue, Addamane, Sadhvikas, Reno, John L., and Williams, Benjamin S. Fri . "Tunable quantum-cascade VECSEL operating at 19 THz". United States. https://doi.org/10.1364/oe.438636. https://www.osti.gov/servlets/purl/1830518.
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@article{osti_1830518,
title = {Tunable quantum-cascade VECSEL operating at 19 THz},
author = {Wu, Yu and Shen, Yue and Addamane, Sadhvikas and Reno, John L. and Williams, Benjamin S.},
abstractNote = {We report a terahertz quantum-cascade vertical-external-cavity surface-emitting laser (QC-VECSEL) emitting around 1.9 THz with up to 10% continuous fractional frequency tuning of a single laser mode. The device shows lasing operation in pulsed mode up to 102 K in a high-quality beam, with the maximum output power of 37 mW and slope efficiency of 295 mW/A at 77 K. Challenges for up-scaling the operating wavelength in QC metasurface VECSELs are identified.},
doi = {10.1364/oe.438636},
journal = {Optics Express},
number = 21,
volume = 29,
place = {United States},
year = {Fri Oct 08 00:00:00 EDT 2021},
month = {Fri Oct 08 00:00:00 EDT 2021}
}
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Journal Article:
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https://doi.org/10.1364/oe.438636
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