Superluminal Raman laser with enhanced cavity length sensitivity | Zendy

Zifan Zhou | Zendy; M. Zhou | Zendy; Selim M. Shahriar | Zendy

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Superluminal Raman laser with enhanced cavity length sensitivity

Author(s) -

Zifan Zhou,

M. Zhou,

Selim M. Shahriar

Publication year - 2019

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.27.029738

Subject(s) - superluminal motion , optics , raman spectroscopy , rubidium , raman laser , laser , dispersion (optics) , materials science , raman scattering , sensitivity (control systems) , raman amplification , physics , potassium , astronomy , electronic engineering , metallurgy , engineering

We demonstrate experimentally a superluminal ring laser based on optically pumped Raman gain, and a self-pumped Raman depletion for producing anomalous dispersion, employing two isotopes of rubidium. By fitting the experiment data with the theoretical model, we infer that the spectral sensitivity of the superluminal Raman laser to cavity length change is enhanced by a factor of more than a thousand, compared to a conventional laser.

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