Fermilab Redmine

01/12/2020

11:09 PM Superconducting Quantum Computing Task #23809: DR1_Run_6 - Measure qubit from McDermott

I think we got the Rabi oscillation. Please see the following plot.
I don't observe any change in the frequency with...

01/10/2020

02:32 PM Superconducting Quantum Computing Task #23809: DR1_Run_6 - Measure qubit from McDermott

sweeping both in qubit pulse amplitude and qubit pulse frequency
Parameters: !rabi_parameters.png!
see for refere...

02:32 PM Superconducting Quantum Computing 0.00 hour (Task #23809 (New): DR1_Run_6 - Measure qubit from McDermott)

rabi oscillation

07/30/2019

04:59 PM Runs Task #22814: 2.6 cavity with qubit (TTS1AES001)

Found good evidence of the Qubit at 3.657 GHz.
The picture show several peaks and broad bandwidth.
Best param...

07/29/2019

02:33 PM Runs Task #22993: Frequency detuning 2.6GHz

Here the finer scan of the 4.7GHz.
About 2.4kHz detuning.
!7376356048mag.png!
This is the line cut at the b...

12:25 PM Runs Task #22993: Frequency detuning 2.6GHz

The 4.7 looks better, Positive detuning, about 2.4kHz, see the line cut
!7376355162mag_lines.png!

10:35 AM Runs Task #22993: Frequency detuning 2.6GHz

From last spectroscopy there is a clear detuning, however this is negative (-50Hz).
I am running spectroscopy on t...

07/25/2019

02:56 PM Runs Task #22993 (New): Frequency detuning 2.6GHz

I am summarizing here the last finding on the 2.6GHz fundamental mode and detuning:
-- we see a change between the d...

07/16/2019

04:59 PM Runs Task #22814: 2.6 cavity with qubit (TTS1AES001)

A summary of the qubit spectroscopy. I used the R&S signal generator, up to 40dBm.
Spectroscopy shows some lines t...

07/11/2019

07:13 PM Runs Task #22814: 2.6 cavity with qubit (TTS1AES001)

I am looking into the best frequency to readout in pulsed mode. Here is yesterday's scan of dispersive shift at 4.7 G...