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Multiprocessor system using an automatically rearrangeable free-space multichannel optical switch: COSINE-2.
Applied Optics
|September 11, 2010
Summary
Future multiprocessor systems can utilize free-space optical interconnections for enhanced communication. The COSINE-2 system demonstrates a flexible and reliable 128x128 optical switch for dynamic processor network reconfiguration.
Area of Science:
- Computer Engineering
- Optical Communications
- Parallel Processing
Background:
- Free-space optical interconnection is a promising technology for multiprocessor communication.
- Previous systems like COSINE-1 utilized manually reconfigured optical interconnections.
- Advanced interconnection methods are needed for future high-performance computing.
Purpose of the Study:
- To introduce COSINE-2, an advanced multiprocessor system.
- To demonstrate a flexible and reliable free-space optical switch.
- To enable dynamic reconfiguration of processor networks.
Main Methods:
- Development of COSINE-2, an evolution of COSINE-1.
- Implementation of a rearrangeable 128x128 free-space multichannel optical switch.
- Utilization of a polarization-multiplexing technique for the optical switch.
Main Results:
- The optical switch provides full flexibility for network reconfiguration.
- The COSINE-2 system was successfully built and experimentally validated.
- System operations, including processor network reconfiguration, were performed reliably.
Conclusions:
- COSINE-2 offers a reliable and flexible solution for free-space optical interconnections.
- The implemented optical switch effectively supports dynamic network management.
- This technology advances interprocessor communication in multiprocessor systems.

