Droplet Raman laser coupled to a standard fiber

Shai Maayani*, Tal Carmon

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We fabricate a tapered fiber coupler, position it near an ultrahigh-Q resonator made from a microdroplet, and experimentally measure stimulated Raman emission. We then calculate the molecular vibrational mode associated with each of the Raman lines and present it in a movie. Our Raman laser lines show themselves at a threshold of 160 μW input power, the cold-cavity quality factor is 250 million, and mode volume is 23 μm3. Both pump and Raman laser modes overlap with the liquid phase instead of just residually extending to the fluid.

Original languageEnglish
Pages (from-to)1188-1192
Number of pages5
JournalPhotonics Research
Issue number10
StatePublished - 2019
Externally publishedYes


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