Output Router and Adder
Key Features
- Signals from up to three additional Digital Signal Units can be routed and added to any Output
- Independent amplitude and phase control for each routed signal
- Ability to enable each routed signal separately
- Overflow indicator to warn if the added signals saturate the DAC
- Increases the number of Digital Signal Units on the SHFQC2 and SHFQC4 product variants to 6 in total
Price
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The SHFQC-RTR Output Router and Adder feature is designed for use cases in crosstalk compensation on superconducting qubit chips, simultaneous driving of multiple hyperfine transitions in color centers, performing state transfer protocols in quantum optics, and other experiments in which frequency multiplexing is needed.
The Output Router and Adder allows the user to flexibly route the signals generated by different Digital Signal Units (composed of the AWG cores and their associated digital modulation settings) to any front panel Signal Generator Output of the SHFQC+ Qubit Controller. The same signal can be routed to multiple Outputs at once, and the user has independent amplitude and phase control of each routed instance of a signal. Taken together, this allows the Output Router and Adder to generate frequency multiplexed signals at the Outputs of the instrument, with independent frequency, phase, amplitude, and waveform properties for each frequency component.
The Output Router and Adder upgrade option introduces additional signal line connections between the different digital signal pathways that lead to the analog upconversion chains of the Outputs of the SHFQC+. On the SHFQC2 and SHFQC4, the Output Router and Adder increases the number of Digital Signal Units from 2 or 4 respectively, to 6. The Functional Diagram highlights how a signal can be routed from the Digital Signal Unit of Channel 2 to the Output of Channel 1.
SHFQC-RTR upgrade and compatibility
- Field-upgradeable option
- Available on all variants of SHFQC and SHFQC+