Isichenko and Resonator (IMAGE) University of California - Santa Barbara Caption Andrei Isichenko holds the ultra-high-quality ring resonator (left), which can help turn the "coarse" light from a commercially available Fabry-Perot laser diode (right) into a low linewidth laser Credit Sonia Fernandez, UC Santa Barbara Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.