SPADs employ an avalanche process to generate significant current from a single photon. That results in higher power ...

Researchers have reported the first 3D measurements acquired with quantum ghost imaging. The new technique enables 3D imaging on a single photon level, yielding the lowest photon dose possible for any ...

Pi Imaging Technology, a Swiss startup company specializing in single-photon detectors and cameras, has been acquired by Zeiss. The German optics giant has been collaborating with Pi Imaging for some ...

Figure 1: 13.2 x 9.9-mm SPAD sensor. Click for a larger image. (Source: Canon Inc.) Canon Inc. has developed an ultra-small single photon avalanche diode (SPAD) image sensor, measuring 13.2 × 9.9 mm, ...