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Integrated Coherent Receiver

Lumentum's Integrated Coherent Receiver technology is the dominant choice for coherent networks worldwide. More than 50% of the currently deployed long-haul networks are built upon this receiver technology. Now Pure Photonics is making this component available for lab and niche applications, providing this high-performance telecom ...

Specifications

Wavelength Range: 1528 – 1612 nm
Optical Input Power Range: -20 – 10 dBm
Average Photodiode Responsivity (CW Input): 70 mA/W
Optical Return Loss: 27 dB
Typical Bandwidth: 40 GHz

Integrated Coherent Receivers: Advancing High-Capacity Optical Communications

Integrated Coherent Receivers (ICRs) are pivotal components in modern optical communication systems, enabling high-speed data transmission over long distances with minimal signal degradation. By leveraging coherent detection techniques, ICRs facilitate the extraction of both amplitude and phase information from optical signals, thereby enhancing the capacity and reach of optical networks.

What Is an Integrated Coherent Receiver?

An Integrated Coherent Receiver is a device that demodulates phase-modulated optical signals by combining the incoming signal with a local oscillator. This process allows for the recovery of the signal's amplitude and phase information, which is essential for high-capacity transmission formats like Dual-Polarization Quadrature Phase Shift Keying (DP-QPSK) and higher-order Quadrature Amplitude Modulation (QAM) schemes. ICRs integrate various components, including polarization beam splitters, optical hybrids, balanced photodetectors, and transimpedance amplifiers, into a compact package, ensuring efficient and reliable operation.

Key Features of Integrated Coherent Receivers

  • High Sensitivity: ICRs offer excellent sensitivity, enabling the detection of weak optical signals over extended distances.

  • Wide Bandwidth: These receivers support broad bandwidths, accommodating high-speed data rates essential for modern optical networks.

  • Compact Form Factor: The integration of multiple components into a single package reduces the overall size and complexity of optical systems.

  • Low Power Consumption: ICRs are designed to operate efficiently, minimizing power requirements and heat generation.

  • Compliance with Industry Standards: Many ICRs adhere to standards set by organizations such as the Optical Internetworking Forum (OIF), ensuring interoperability and reliability.

Applications of Integrated Coherent Receivers

  • Long-Haul Optical Transmission: ICRs are utilized in long-distance fiber optic links, enabling high-capacity data transmission across continents.

  • Data Center Interconnects: In data centers, ICRs facilitate high-speed interconnections between servers and storage systems, supporting large-scale cloud services.

  • Metro Networks: ICRs are employed in metropolitan area networks to provide high-speed connectivity between various locations within a city.

  • 5G Backhaul Networks: As 5G networks require high-capacity backhaul solutions, ICRs play a crucial role in meeting these demands.

  • Research and Development: ICRs are used in laboratories and research institutions for the development and testing of advanced optical communication technologies.

Advantages of Integrated Coherent Receivers

  • Enhanced Signal Quality: By recovering both amplitude and phase information, ICRs improve the quality of the received signal, reducing error rates.

  • Increased Capacity: The ability to utilize advanced modulation formats allows for higher data rates and more efficient use of the optical spectrum.

  • Cost-Effective: The integration of multiple components into a single package reduces the need for separate devices, lowering overall system costs.

  • Scalability: ICRs can be scaled to support higher data rates and more complex modulation schemes as network demands grow.

Conclusion

Integrated Coherent Receivers are essential components in the evolution of optical communication systems, enabling high-speed, high-capacity, and long-distance data transmission. Their integration of multiple functionalities into a single package enhances system efficiency and reliability, making them a preferred choice for modern optical networks. As the demand for faster and more reliable communication continues to grow, ICRs will play a pivotal role in shaping the future of optical networking.

Did You know?

Did you know that Integrated Coherent Receivers (ICRs) can decode both the phase and amplitude of an optical signal, something traditional receivers can’t do? This capability enables ICRs to support advanced modulation formats like DP-QPSK and 16-QAM, which dramatically boost data transmission capacity. By integrating beam splitters, optical hybrids, and balanced photodetectors into one compact module, ICRs ensure high performance with minimal signal degradation, even over thousands of kilometers. They’re critical in modern high-speed optical systems like long-haul transport, 5G backhaul, and inter-data center links. Thanks to their precision and efficiency, ICRs are redefining what’s possible in fiber-optic communications.