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Distributed crossbar interconnects with vertical-cavity surface-emitting laser-angle multiplexing and fiber image
Applied Optics
|February 13, 2008
Summary
This study details a new optical crossbar interconnect system. The implemented system successfully demonstrated 240 channels with 500-Mbit/s transmissions per channel, showcasing its potential for high-speed optical networking.
Area of Science:
- Optoelectronics
- Optical communication systems
- Interconnect technologies
Background:
- High-density optical interconnects are crucial for modern computing and communication systems.
- Existing solutions face challenges in scalability and bandwidth.
Purpose of the Study:
- To report the implementation of a novel optical crossbar interconnect.
- To evaluate its performance in terms of channel capacity and data transmission rates.
Main Methods:
- Design and integration of a free-space beam-steering subsystem.
- Utilizing vertical-cavity surface-emitting lasers (VCSELs) and photoreceivers.
- Employing a fiber image guide and a large-core polymer fiber array.
Main Results:
- Demonstrated an optical crossbar interconnect with 240 channels.
- Achieved successful data transmissions at 500-Mbit/s per channel.
- Measured an end-to-end optical channel attenuation of approximately 12.7 dB.
Conclusions:
- The implemented optical crossbar interconnect shows promise for high-capacity, high-speed data routing.
- The system design and integration details provide valuable insights for future optical interconnect development.
- Further optimization could potentially achieve the theoretical 350+ channel capacity.
