The DOI matches its Crossref record; 32 of the 32 references it cites were found in a registry or an index.
Loss-induced suppression and revival of lasing
Open accessAbstract
Controlling and reversing the effects of loss are major challenges in optical systems. For lasers, losses need to be overcome by a sufficient amount of gain to reach the lasing threshold. In this work, we show how to turn losses into gain by steering the parameters of a system to the vicinity of an exceptional point (EP), which occurs when the eigenvalues and the corresponding eigenstates of a system coalesce. In our system of coupled microresonators, EPs are manifested as the loss-induced suppression and revival of lasing. Below a critical value, adding loss annihilates an existing Raman laser. Beyond this critical threshold, lasing recovers despite the increasing loss, in stark contrast to what would be expected from conventional laser theory. Our results exemplify the counterintuitive features of EPs and present an innovative method for reversing the effect of loss.
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Self-citationObservation ofPT-Symmetry Breaking in Complex Optical Potentials
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Parity–time-symmetric whispering-gallery microcavities
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Self-citationUltra-high-Q toroid microcavity on a chip
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Exceptional points enhance sensing in an optical microcavity
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Self-citationParity–time symmetry and exceptional points in photonics
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Self-citationInverse design in nanophotonics
Molesky, S., Lin, Z., Piggott, A. Y., Jin, W., Vucković, J., & Rodriguez, A. W. (2018) · Nature Photonics · doi:10.1038/s41566-018-0246-9 · Cited by 1,818
Acoustic metamaterials: From local resonances to broad horizons
Ma, G., & Sheng, P. (2016) · Science Advances · doi:10.1126/sciadv.1501595 · Cited by 1,595
Non-Hermitian photonics based on parity–time symmetry
Feng, L., El-Ganainy, R., & Ge, L. (2017) · Nature Photonics · doi:10.1038/s41566-017-0031-1 · Cited by 1,497
Metadata
- Authors
- Peng, B., Özdemir, Ş. K., Rotter, S., Yilmaz, H., Liertzer, M., Monifi, F., Bender, C. M., Nori, F., & Yang, L.
- Venue
- Science
- Published
- 2014-10-17
- Volume
- 346
- Issue
- 6207
- Pages
- 328-332
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2050208293
- Cited by
- 1,012
- References
- 32
- FWCI
- 40.60
- Type
- journal article
- Language
- en
- Open access
- green
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