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BerkSEL: A scale-invariant laser beyond the Schawlow-Townes two-mirror strategy

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  • Boubacar Kanté

    (University of California Berkeley
    Lawrence Berkeley National Laboratory)

Abstract

I argue that a surface emitting laser that remains single mode irrespective of its size, a scale-invariant laser, should of necessity also waste light at the edge. This is a fundamental departure from the Schawlow-Townes two-mirror strategy that keeps light away from mirrors and edges to preserve gain and minimize loss. The strategy was implemented in the recent discovery of the Berkeley Surface Emitting Laser (BerkSEL).

Suggested Citation

  • Boubacar Kanté, 2024. "BerkSEL: A scale-invariant laser beyond the Schawlow-Townes two-mirror strategy," Nature Communications, Nature, vol. 15(1), pages 1-3, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-46338-0
    DOI: 10.1038/s41467-024-46338-0
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    References listed on IDEAS

    as
    1. Rushin Contractor & Wanwoo Noh & Walid Redjem & Wayesh Qarony & Emma Martin & Scott Dhuey & Adam Schwartzberg & Boubacar Kanté, 2022. "Scalable single-mode surface-emitting laser via open-Dirac singularities," Nature, Nature, vol. 608(7924), pages 692-698, August.
    2. A. B. Zylstra & O. A. Hurricane & D. A. Callahan & A. L. Kritcher & J. E. Ralph & H. F. Robey & J. S. Ross & C. V. Young & K. L. Baker & D. T. Casey & T. Döppner & L. Divol & M. Hohenberger & S. Pape , 2022. "Burning plasma achieved in inertial fusion," Nature, Nature, vol. 601(7894), pages 542-548, January.
    3. A. B. Zylstra & O. A. Hurricane & D. A. Callahan & A. L. Kritcher & J. E. Ralph & H. F. Robey & J. S. Ross & C. V. Young & K. L. Baker & D. T. Casey & T. Döppner & L. Divol & M. Hohenberger & S. Pape , 2022. "Publisher Correction: Burning plasma achieved in inertial fusion," Nature, Nature, vol. 603(7903), pages 34-34, March.
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