Within the European Project TERABOARD, a photonic integration platforms including electronic-photonic integration is developed to demonstrate high bandwidth high-density modules and to demonstrate cost and energy cost target objectives. Large count high bandwidth density EO interfaces for onboard and intra-data center interconnection are reported. For onboard large count interconnections a novel concept based on optical-TSV interconnection platform with no intersections and no WDM multiplexing is reported. All input/output coupler arrays based on a pluggable silica platform are reported as well.
Silicon photonic biosensors based on evanescent wave detection have revealed themselves as the most promising
candidates for achieving truly point-of-care devices as they can overcome the limitations of current analytical techniques.
Advantages such as miniaturization, extreme sensitivity, robustness, reliability, potential for multiplexing and mass
production at low cost can be offered. Among the existing integrated optical sensors, the interferometric ones are the
most attractive due to their extreme sensitivity for label-free and real-time evaluations with detection limits close to 10<sup>-7</sup>-
10<sup>-8</sup> in bulk refractive index. In this article we will review the recent progress in the most common interferometric
waveguide biosensors (Mach-Zehnder interferometers, Young interferometers, Hartman interferometers, dual
polarization interferometers and bimodal optical waveguides). In particular, we will focus on the description of their
optical structures and their applicability for bioanalytical detection.