About this Abstract |
| Meeting |
MS&T25: Materials Science & Technology
|
| Symposium
|
Solid-State Optical Materials and Luminescence Properties
|
| Presentation Title |
Low-Loss Ion-Exchange Waveguides in Glass: High Speed optical communications to the chip |
| Author(s) |
Matthew Dejneka, Lars Brusberg, David McEnroe, Jorge Holguin-Lerma, Chad Terwilliger, Charisse Spier, Jonathan Walter |
| On-Site Speaker (Planned) |
Matthew Dejneka |
| Abstract Scope |
Optical fibers transmit vast amounts of information in and out of data centers. Currently, these fibers terminate at the server racks. We designed glass compositions and fabricated planar waveguides on them to funnel data from fiber optic cables right up to densely packed waveguides on silicon integrated circuits, eliminating the need for lossy heat generating electrical interconnects and off chip optical to electrical conversion. These optical waveguides are just millimeters away from the integrated circuits which dissipate hundreds of Watts of thermal power with temperatures of up to 110°C in high-end computer clusters. Silver ions in conventional ion exchanged waveguides diffuse at these temperatures and fail in about a week. We demonstrate new glasses with greater than 5 year lifetime, 0.034 dB/cm loss, multiple Tbps/mm of chip shoreline density and a compact 16 channel connector with 6.4Tb/s capacity. |