100G BIDI 10KM Optical Module

In today’s digital age, high-speed optical communication is vital for supporting growing data demands. Among the many optical transceivers available, the 100G BIDI 10KM module stands out with its performance and efficiency, widely used in data centers, telecom networks, and metropolitan area networks (MANs).

Key Features Explained

• 100G: Indicates a data transfer rate of 100Gbps, ideal for bandwidth-heavy applications like cloud computing, video streaming, and enterprise data exchanges.

• BIDI (Bidirectional): Uses a single fiber to transmit and receive data in opposite directions by employing different wavelengths, reducing fiber usage and cabling complexity.

• 10KM: Supports stable transmission up to 10 kilometers, making it suitable for medium-range network deployments.

The 100G BIDI module typically adopts a QSFP28 form factor, which is compact and energy-efficient—perfect for space-constrained environments like dense server rooms.

How It Works

The core technology behind the 100G BIDI 10KM module is PAM4 modulation. Unlike traditional NRZ modulation that carries 1 bit per symbol, PAM4 carries 2 bits by using four amplitude levels, effectively doubling the data rate without increasing the bandwidth.

For bidirectional transmission over a single fiber, Wavelength Division Multiplexing (WDM) is employed. For example, one end might transmit at 1270nm while receiving at 1330nm, and the other end does the reverse. This enables simultaneous two-way communication with minimal interference.

Working Process Overview

• Transmitting Side: Electrical signals from the network device are first encoded using PAM4. These signals drive a laser diode to convert them into modulated optical signals.

• Transmission: The optical signal travels through single-mode fiber. Thanks to its low attenuation (as low as 0.2dB/km at 1550nm), data can be transmitted over 10 kilometers with minimal signal loss.

• Receiving Side: A photodiode detects the incoming optical signal and converts it back to electrical form. The signal is then amplified, equalized, and decoded to recover the original data.

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Applications

• Data Centers: Ensures high-speed interconnection between servers and storage systems.

• Telecom Networks: Supports high-capacity backhaul for 5G and fiber-to-the-home (FTTH) solutions.

• Enterprise Networks: Suitable for connecting buildings or campuses over fiber links without installing dual fibers.

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Market Outlook

With global data consumption rising sharply due to 5G, AI, and cloud services, the demand for high-speed optics is soaring. Analysts forecast that traffic will grow at 20–30% annually, pushing the need for efficient modules like 100G BIDI 10KM.

In the 5G era, base stations rely on high-speed fiber links for backhaul. This module, thanks to its single-fiber bidirectional design and 100G speed, is a cost-effective and scalable solution.

Future Trends

Looking ahead, 100G BIDI 10KM modules are expected to evolve with:

• Higher integration using silicon photonics.

• Lower power consumption through advanced materials and circuitry.

• Longer transmission distances via improved modulation and signal processing techniques.

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Conclusion

The 100G BIDI 10KM optical module is a game-changing solution for modern networking. It delivers high speed, efficient fiber use, and reliable performance—making it essential for data-intensive environments. As technology evolves, this module will remain a cornerstone in the ongoing expansion of global connectivity.