Andrew Paulsen and Ajay Nahata (image) University of Utah Share Print E-Mail Caption University of Utah graduate student Andrew Paulsen, left, and U electrical and computer engineering professor Ajay Nahata hold up a series of terahertz frequency filters made through a process they developed with an inkjet printer. They have discovered a new approach for designing filters capable of separating different frequencies in the terahertz spectrum, the next generation of communications bandwidth that could allow cell-phone users and Internet surfers to download data a thousand times faster than today. Credit Dan Hixson / University of Utah College of Engineering Usage Restrictions Credit the University of Utah College of Engineering Share Print E-Mail 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.