Fig. 1 (IMAGE) Osaka University Caption Configuration of the two-tone Brillouin laser system and phase noise measurement result (comparison of electrical- and photonics-based local oscillator signals). Credit Osaka University Usage Restrictions No restrictions License Original content 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.