Figure 3 (IMAGE) Tohoku University Caption Measured photo response waveforms of the device upon THz-wave pulse incidence at different gate biases (left panel) and measured current detection sensitivity on gate bias (right panel). Credit Akira Satou et al. Usage Restrictions Reporters may use freely these materials in news coverage with appropriate credit information. 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.