Optical wireless APD receivers in 0.35 µm HV CMOS technology with large detection area.

The development of two high-speed monolithically integrated optical receivers for wireless optical communication is presented from the design phase to the measurement. The first high-speed receiver is the modified previous design with an integrated 200-µm diameter avalanche photodiode. The redesign improved the optical sensitivity by 3.

OWC using a monolithically integrated 200 µm APD OEIC in 0.35 µm BiCMOS technology.

A lens-less receiver with a monolithically integrated avalanche photodiode (APD) in 0.35 µm BiCMOS technology has been developed for establishing an indoor 2 Gb/s optical wireless communication (OWC) over a distance of 6.5 m with a receiving angle of 22°.

Automated alignment system for optical wireless communication systems using image recognition.

In this Letter, we describe the realization of a tracked line-of-sight optical wireless communication system for indoor data distribution. We built a laser-based transmitter with adaptive focus and ray steering by a microelectromechanical systems mirror. To execute the alignment procedure, we used a CMOS image sensor at the transmitter side and developed an algorithm for image recognition to localize the receiver's position.