A Controller for Si MZI-Based Spanke-Benes Optical Switch Fabric With Automatic Calibration Capability

A Controller for Si MZI-Based Spanke-Benes Optical Switch Fabric With Automatic Calibration Capability

We demonstrate an FPGA-based controller for Si MZI-based Spanke-Benes 4 × 4 optical switch fabric that can automatically calibrate each individual switching cell and select the desired routing configuration. In order to minimize the power consumption for optical switching operation, the optimal heat...

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Veröffentlicht in:IEEE photonics journal 2023-06, Vol.15 (3), p.1-6
Hauptverfasser: Kim, Hyun-Kyu, Ji, Yongjin, Kim, Kihun, Choi, Woo-Young
Format: Artikel
Sprache:eng
Schlagworte:
Calibration
Computer architecture
Controllers
Fabrics
Heating systems
Monitoring
Optical switch calibration
optical switch fabric
Optical switches
Optical switching
Power consumption
Si mach-zehnder interferometer (MZI)
Silicon
Spanke-Benes
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Zusammenfassung:We demonstrate an FPGA-based controller for Si MZI-based Spanke-Benes 4 × 4 optical switch fabric that can automatically calibrate each individual switching cell and select the desired routing configuration. In order to minimize the power consumption for optical switching operation, the optimal heater voltages for the cross and the bar state of each switching cell is determined during the calibration. The operation of our controller is successfully verified with a Si MZI-based Spanke-Benes 4 × 4 optical switch.
ISSN:1943-0655
1943-0647
DOI:10.1109/JPHOT.2023.3275073