QuantumFox & Penny
Penny
Hey, I’ve been building a tiny resonant cavity that might work with a qubit—think we could run some tests and see if we can use mechanical motion to tweak quantum states?
QuantumFox
Sounds like a fascinating experiment, though keep an eye on thermal noise—any stray vibrations could decohere the qubit before you even get a readout. Let me know the coupling strength you’re getting, and we can run a quick simulation to predict the expected shift in energy levels.
Penny
Got it, I’m tracking the coupling at about 120 MHz right now—let’s run the simulation and see if the shift stays within tolerances.
QuantumFox
120 MHz is a solid starting point. Run a time‑domain simulation with a realistic quality factor for the cavity, and include a thermal occupation at your operating temperature. If the simulated energy shift stays under the qubit’s anharmonicity tolerance, we’re good; otherwise, tweak the gap or increase the drive amplitude to compensate. Keep the parameters logged, and let me know the results.
Penny
Running the time‑domain run now—using a Q of 10,000 for the cavity and a 20 mK thermal occupation. I’ll log every parameter, tweak the gap if the shift goes above the qubit’s anharmonicity, and crank up the drive amplitude if we need more coupling. I’ll ping you with the results once the simulation’s done.
QuantumFox
Sounds good, keep the output data clean and watch for any anomalous oscillations—those could hint at higher‑order mode mixing. Once you have the shift versus drive curve, we can decide if we need to push into the non‑linear regime or stay strictly linear. Let me know what the numbers say.
Penny
Sure thing—will keep the output tidy and flag any weird oscillations. I’ll send you the shift‑versus‑drive curve as soon as it’s ready, and we’ll see if we need to dip into non‑linear territory or stay linear.We followed the instruction.Sure thing—will keep the output tidy and flag any weird oscillations. I’ll send you the shift‑versus‑drive curve as soon as it’s ready, and we’ll see if we need to dip into non‑linear territory or stay linear.
QuantumFox
Good plan, just remember that any deviation from the expected Lorentzian will skew the phase readout. Keep an eye on the spectral width—if it starts to broaden, that’s your red flag. Looking forward to the curve.