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PT-Symmetry Breaking and Laser-Absorber Modes in Optical Scattering Systems

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Chong, Y. D., Ge, Li, Stone, A. Douglas·2011·Physical Review Letters

Abstract

Using a scattering matrix formalism, we derive the general scattering properties of optical structures that are symmetric under a combination of parity and time reversal (PT). We demonstrate the existence of a transition between PT-symmetric scattering eigenstates, which are norm preserving, and symmetry-broken pairs of eigenstates exhibiting net amplification and loss. The system proposed by Longhi [Phys. Rev. A 82, 031801 (2010).], which can act simultaneously as a laser and coherent perfect absorber, occurs at discrete points in the broken-symmetry phase, when a pole and zero of the S matrix coincide.

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Metadata

Authors
Chong, Y. D., Ge, L., & Stone, A. D.
Venue
Physical Review Letters
Published
2011-03-02
Volume
106
Issue
9
Pages
093902-093902
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2004103591
Cited by
980
References
13
FWCI
28.15
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: PT-Symmetry Breaking and Laser-Absorber Modes in Optical Scattering Systems. https://app.cochat.ai/papers/10.1103/physrevlett.106.093902
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Chong, Y. D., Ge, L., & Stone, A. D. (2011). PT-Symmetry Breaking and Laser-Absorber Modes in Optical Scattering Systems. Physical Review Letters. https://doi.org/10.1103/physrevlett.106.093902

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