Long Distance QKD System (Toshiba)
QKD Systems by Toshiba (JP)
Overview
Toshiba's high-performance QKD system optimized for maximum range and secure key rate over long-haul fiber links. Operates with a quantum channel in the telecom C-Band, enabling transmission beyond 150 km with ideal single-mode fiber. Requires two dedicated fibers and can tolerate limited multiplexed data within the C-Band.
Specifications
| Protocol | BB84 with decoy states and phase encoding |
|---|---|
| Max Distance | 150 km+ |
| Key Rate | 300 kb/s @ 10 dB loss |
| Fiber Type | Two fibers (SM fiber) |
| Form Factor | Standard 19'' rack mount, 3U |
| Operating Wavelength | C-Band |
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