InGaAs Receiver Optical Sub Assembly (ROSA)

SKU: ROSA

The ROSA (Receiver Optical Sub-Assembly) is built on a proven transceiver fabrication platform, offering industry-leading attributes in low cost, high bandwidth, high coupling efficiency, and long-term stability. As a key component in optical networks, it converts optical signals into electrical signals. This specific ROSA variant is designed without a transimpedance amplifier (TIA), enabling high-fidelity analog signal output and making it especially well-suited for precision analog applications. The sensitivity of the ROSA is approximately proportional to the photodetector’s active area, while the response speed is inversely proportional—highlighting a tradeoff between sensitivity and bandwidth. The optical power handling is scaled with detector’s area due to thermal conductivity and optical power density limit.
The bonding material used meets NASA’s stringent low-outgassing requirements and is rated for high-temperature operation up to 85°C. The mechanical package is compliant with Telcordia GR-1221 reliability standards and supports both PCB and panel mounting configurations.