Optoelectronics

A New Way for Photonic Chips

The speed of multicore microprocessors, already used by high-performance computers, does not depend so much on the speed of a single core, but on time required for data transfer between the various cores. The copper interconnections used in today’s microprocessors cannot maintain the progress of the communication’s performance. Leading companies in the semiconductor industry such…

Silicon Photonics Reaches Prime Time

Silicon photonics has always been an attractive idea. Because silicon is transparent to photons at the infrared wavelengths used in optical communications, why not integrate optical components onto a silicon chip? Silicon-on-insulator processes can be used to form waveguides, modulators, and other optical structures in silicon and take advantage of CMOS’s low cost and scalability.…