Silicon 3D-integrated 2 × 2 × 106.25 Gbps parallel multimode transmitter

• DOI: 10.1364/ol.557793
• Publication Date: 2025-03-27T12:11:20Z
• Authors: Shihuan Ran; Yao Sun; Ting Miao; Bohan Chu; Yu Li; Jianping Chen; Linjie Zhou
• Keywords: Integrated Optics

Mode division multiplexing (MDM) has garnered significant attention for its potential to enhance communication capacity. In this paper, we present the first time, best of our knowledge, a 3D-integrated parallel multimode transmitter, featuring two fibers, with both TE0 and TE1 modes transmitted data multiplexing. Each channel exhibits an electro-optic (EO) bandwidth ∼45 GHz, enabling total transmission 2 × 106.25 Gbps upon four-level pulse amplitude modulation (PAM-4).