The DOI matches its Crossref record; 36 of the 36 references it cites were found in a registry or an index.
Ultralow-threshold laser using super-bound states in the continuum
Open accessAbstract
Wavelength-scale lasers provide promising applications through low power consumption requiring for optical cavities with increased quality factors. Cavity radiative losses can be suppressed strongly in the regime of optical bound states in the continuum; however, a finite size of the resonator limits the performance of bound states in the continuum as cavity modes for active nanophotonic devices. Here, we employ the concept of a supercavity mode created by merging symmetry-protected and accidental bound states in the continuum in the momentum space, and realize an efficient laser based on a finite-size cavity with a small footprint. We trace the evolution of lasing properties before and after the merging point by varying the lattice spacing, and we reveal this laser demonstrates the significantly reduced threshold, substantially increased quality factor, and shrunken far-field images. Our results provide a route for nanolasers with reduced out-of-plane losses in finite-size active nanodevices and improved lasing characteristics.
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Cites
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Observation of trapped light within the radiation continuum
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Lasing action from photonic bound states in continuum
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Topological insulator laser: Experiments
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Topological Nature of Optical Bound States in the Continuum
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Spontaneous-emission control by photonic crystals and nanocavities
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Self-citationTopologically enabled ultrahigh-Q guided resonances robust to out-of-plane scattering
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Watt-class high-power, high-beam-quality photonic-crystal lasers
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Cited by
Ha, S. T., Li, Q., Yang, J. K. W., Demir, H. V., Brongersma, M. L., & Kuznetsov, A. I. (2024) · Science · doi:10.1126/science.adm7442 · Cited by 112
Metadata
- Authors
- Hwang, M.-S., Lee, H.-C., Kim, K.-H., Jeong, K.-Y., Kwon, S.-H., Koshelev, K., Kivshar, Y., & Park, H.-G.
- Venue
- Nature Communications
- Published
- 2021-07-05
- Volume
- 12
- Issue
- 1
- Pages
- 4135-4135
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W3181002240
- Cited by
- 470
- References
- 36
- FWCI
- 30.25
- Type
- journal article
- Language
- en
- Open access
- gold
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- Hwang, M.-S., Lee, H.-C., Kim, K.-H., Jeong, K.-Y., Kwon, S.-H., Koshelev, K., Kivshar, Y., & Park, H.-G. (2021). Ultralow-threshold laser using super-bound states in the continuum. Nature Communications. https://doi.org/10.1038/s41467-021-24502-0
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