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the relations between white light cavities and exceptional points in PT-symmetric systems
Author(s): Jacob Scheuer
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Paper Abstract

We consider a PT-symmetric laser system comprising active and passive (lossy) coupled micro-resonators. It is shown that at its exceptional point (EP), the system satisfies the white light cavity (WLC) condition, exhibiting zero group index Slightly above lasing threshold, in the broken symmetry regime near the EP, the system exhibits “superluminal” lasing. It is also shown that some of the latest experimental studies involving PTSSs have indirectly demonstrated such superluminal lasing.

Paper Details

Date Published: 1 March 2019
PDF: 8 pages
Proc. SPIE 10934, Optical, Opto-Atomic, and Entanglement-Enhanced Precision Metrology, 109340U (1 March 2019); doi: 10.1117/12.2515411
Show Author Affiliations
Jacob Scheuer, Tel Aviv Univ. (Israel)


Published in SPIE Proceedings Vol. 10934:
Optical, Opto-Atomic, and Entanglement-Enhanced Precision Metrology
Selim M. Shahriar; Jacob Scheuer, Editor(s)

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