{"id":6012,"date":"2026-09-11T08:02:25","date_gmt":"2026-09-11T06:02:25","guid":{"rendered":"https:\/\/irtnanoelec.fr\/?post_type=evenement&p=6012"},"modified":"2026-09-11T10:43:08","modified_gmt":"2026-09-11T08:43:08","slug":"iii-v-laser-sources-for-data-communications-life-cycle-assessment-of-process-fabrication","status":"publish","type":"evenement","link":"https:\/\/irtnanoelec.fr\/en\/evenement\/iii-v-laser-sources-for-data-communications-life-cycle-assessment-of-process-fabrication\/","title":{"rendered":"III-V laser sources for data communications: life cycle assessment of process fabrication"},"content":{"rendered":"
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<\/span>[WEBINAR] III-V laser sources for data communications: life cycle assessment of process fabrication<\/h2>

Silicon photonics has emerged as a reliable, cost-effective, and CMOS-compatible technology. Silicon exhibits transparency at telecom wavelengths (1.31 and 1.55 \u00b5m) and, due to its high refractive index contrast with silicon oxide, enables the fabrication of high-performance optical components. However, its indirect bandgap hinders the monolithic integration of laser sources, leading to increasing reliance on direct-bandgap III\u2013V materials. Several approaches for integrating lasers on silicon have been developed, but their environmental impacts and the extensive use of III\u2013V materials raise new concerns. This work presents a cradle-to-gate comparative Life Cycle Assessment (LCA) across 16 impact categories of laser fabrication in the CEA-LETI cleanrooms. Variations in the native substrate used for epitaxial growth of the active region are investigated: InP or GaAs substrates\u2014as well as differences in laser architecture: conventional hybrid lasers or membrane lasers and finally: two different types of active region quantum dot and quantum well.\u00a0 Given the exponential growth of AI-driven datacenters and the massive deployment of III-V lasers for optical interconnects, this study provides insights for guiding the industry toward more sustainable large-scale integration of III-V lasers for co-packaged optics.<\/p>\n

Speaker : Elona Fidon :\u00a0Research Engineer\u00a0<\/span>III\/V Materials Growth & Sustainable Electronics
\n<\/span>LTM, Univ. Grenoble Alpes, CNRS<\/span><\/h4>\n<\/p>
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