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Optical Switch in Silicon Relies on Photonic Crystal

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Breck Hitz

All-optical switching — in which light in a “control” beam switches light in a “signal” beam on or off — is the fundamental building block of such cutting-edge photonics technologies as telecommunications and optical computing. Moreover, optical switches implemented in silicon have the potential advantages of monolithic integration with electronic functionality and of economical CMOS fabrication. Figure 1. One resonator had a three-point defect and a resonance at 1547.68 nm (left). The other had a four-hole defect and resonances at 1530.47 and 1568.05 nm (right). In both cases, the...Read full article

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    Published: December 2005
    beam switches lightCommunicationsindustrialoptical switchphotonic crystalResearch & TechnologysiliconTech Pulse

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