Implementing a novel PAM-4 modulation/demodulation scheme along with source and link protection in a high capacity...

Area of Science:

• Optical communications
• Data center networking
• High-speed signal processing

Background:

• Data centers require cost-efficient, scalable, high-bandwidth, and reliable infrastructure.
• Component failures and limited optical sources pose challenges to data center performance.

Purpose of the Study:

• To propose a novel data center architecture optimizing optical source utilization.
• To enhance data transmission bandwidth and reliability through advanced signal modulation and fault tolerance.

Main Methods:

• Implementing an architecture with minimal optical sources for extensive link coverage.
• Utilizing a novel pulse amplitude modulation (PAM) technique for two bits per symbol transmission at 100 Gbps.
• Incorporating protection against laser source and channel failures.
• Achieving diversity gain via simultaneous signal transmission over multiple channels.

Main Results:

• The proposed architecture demonstrates robust performance under amplified spontaneous emission (ASE) noise.
• Bit error rate (BER) is evaluated to quantify system reliability under varying noise conditions.
• The system effectively mitigates common failure points in optical data transmission.

Conclusions:

• The novel architecture offers a scalable and reliable solution for high-bandwidth data center networks.
• The employed PAM technique significantly boosts data rates while maintaining signal integrity.
• This approach enhances data center resilience and cost-efficiency.