Superluminal Raman laser with enhanced cavity length sensitivity

Zifan Zhou*, Minchuan Zhou, Selim M. Shahriar

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


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.

Original languageEnglish (US)
Pages (from-to)29738-29745
Number of pages8
JournalOptics Express
Issue number21
StatePublished - Oct 14 2019

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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