Refers to the laser chip (LD Chip) and the detector chip (PD Chip), which complete the electro-optical conversion and photoelectric conversion respectively. They are the core functional chips of the optical module. Optical modules are at the heart of modern optical communication systems, responsible for converting high-speed electrical signals into optical signals and vice versa. Within an optical module, chips are the most critical components, determining the module's transmission rate, reach, power. Optical chip, generally refers to the use of light waves (electromagnetic waves) as the carrier of information transmission or data calculation, relying on integrated optics or silicon-based optoelectronics medium optical waveguide to transmit guided-mode optical signals, the modulation of optical. Modern communication networks rely on optical transceivers to transfer data at the speed of light. Whether in 5G base stations, hyperscale data centers, or long-haul telecom networks, these modules convert electrical signals into optical ones — and back again — to ensure fast, stable, and. Optical modules are devices used to connect network devices, transmit and receive data between network devices, and can be used to convert optical and electrical signals. Among various optical module form factors, SFP (Small Form-Factor Pluggable). Vertical-Cavity Surface-Emitting Lasers (Vertical-Cavity Surface-Emitting Lasers) are compact semiconductor lasers that emit light vertically from the surface of the chip.