Thanks to the various developments presently available, SWIR technology presents a growing interest and gives the
opportunity to address a large spectrum of applications such as defense and security (night vision, active imaging), space
(earth observation), transport (automotive safety) or industry (non destructive process control).
InGaAs material, initially developed for telecommunications detectors, appears as a good candidate to satisfy SWIR
detection needs. The lattice matching with InP constitutes a double advantage to this material: attractive production
capacity and uncooled operation thanks to low dark current level induced by high quality material.
In the context of this evolving domain, the InGaAs imagery activities from III-VLab were transferred to Sofradir, which
provides a framework for the production activity with the manufacturing of high performances products: CACTUS320
The developments towards VGA format with 15μm pixel pitch, lead today to the industrialization of a new product:
SNAKE SW. On one side, the InGaAs detection array presents high performances in terms of dark current and quantum
efficiency. On the other side, the low noise ROIC has different additional functionalities. Then this 640x512 @ 15μm
module appears as well suited to answer the needs of a wide range of applications.
In this paper, we will present the Sofradir InGaAs technology, the performances of our last product SNAKE SW and the
perspectives of InGaAs new developments.