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qiskit/advanced/terra/programming_with_pulses/gathering_system_information.ipynb

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@@ -319,14 +319,41 @@
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"Properties are not guaranteed to be reported, but backends without Pulse access typically also provide this data.\n",
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"\n",
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"## Defaults\n",
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"\n"
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"\n",
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"Unlike the other two sections, `PulseDefaults` are only available for Pulse-enabled backends. It contains the default program settings run on the device."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 12,
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"metadata": {},
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"outputs": [],
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"source": [
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"defaults = backend.defaults()"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Drive frequencies\n",
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"\n",
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"Defaults contains the default frequency settings for the drive and measurement signal channels:"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 13,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"DriveChannel(0) defaults to a modulation frequency of 4.974293640960457 GHz.\n",
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"MeasureChannel(0) defaults to a modulation frequency of 6.993427855 GHz.\n"
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]
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},
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{
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"name": "stderr",
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"output_type": "stream",
@@ -337,43 +364,129 @@
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}
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],
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"source": [
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"defaults = backend.defaults()\n",
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"q0_freq = defaults.qubit_freq_est[0] # Hz\n",
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"q0_meas_freq = defaults.meas_freq_est[0] # Hz\n",
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"\n",
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"q0_freq = defaults.qubit_freq_est[0] \n",
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"q0_meas_freq = defaults.meas_freq_est[0]\n",
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"GHz = 1e-9\n",
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"print(f\"DriveChannel(0) defaults to a modulation frequency of {q0_freq*GHz} GHz.\")\n",
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"print(f\"MeasureChannel(0) defaults to a modulation frequency of {q0_meas_freq*GHz} GHz.\")"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Pulse Schedule definitions for QuantumCircuit instructions\n",
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"\n",
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"inst_map = defaults.instruction_schedule_map"
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"Finally, one of the most important aspects of the `backend` for `Schedule` building is the `InstructionScheduleMap`. This is a basic mapping from a circuit operation's name and qubit to the default pulse-level implementation of that instruction. "
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]
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},
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{
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"cell_type": "code",
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"execution_count": 14,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"<InstructionScheduleMap(1Q instructions:\n",
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" q0: {'MEAS', 'measure', 'id', 'u1', 'u3', 'x', 'u2'}\n",
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"Multi qubit instructions:\n",
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")>\n"
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]
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}
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],
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"source": [
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"inst_map = defaults.instruction_schedule_map\n",
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"print(inst_map)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Pulse Schedule definitions for QuantumCircuit instructions"
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"Rather than build a measurement schedule from scratch, let's see what was calibrated by the backend to measure the qubits on this device:"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 13,
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"execution_count": 15,
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"metadata": {},
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"outputs": [
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{
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"data": {
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\n",
362420
"text/plain": [
363-
"False"
421+
"<Figure size 720x864 with 1 Axes>"
364422
]
365423
},
366-
"execution_count": 13,
424+
"execution_count": 15,
367425
"metadata": {},
368426
"output_type": "execute_result"
369427
}
370428
],
371429
"source": [
372-
"inst_map.get('measure', (q for q in range(config.n_qubits)))\n",
373-
"\n",
374-
"inst_map.get('u1', 0, P0=3.1415)\n",
430+
"measure_schedule = inst_map.get('measure', [q for q in range(config.n_qubits)])\n",
431+
"measure_schedule.draw()"
432+
]
433+
},
434+
{
435+
"cell_type": "markdown",
436+
"metadata": {},
437+
"source": [
438+
"This can easily be appended to your own Pulse `Schedule` (`sched += inst_map.get('measure', <qubits>) << sched.duration`)!\n",
375439
"\n",
376-
"inst_map.has('x', 3) # Does qubit 3 have an x gate defined on it?"
440+
"Likewise, each qubit will have a `Schedule` defined for each basis gate, and they can be appended directly to any `Schedule` you build."
441+
]
442+
},
443+
{
444+
"cell_type": "code",
445+
"execution_count": 16,
446+
"metadata": {},
447+
"outputs": [
448+
{
449+
"data": {
450+
"text/plain": [
451+
"False"
452+
]
453+
},
454+
"execution_count": 16,
455+
"metadata": {},
456+
"output_type": "execute_result"
457+
}
458+
],
459+
"source": [
460+
"# You can use `has` to see if an operation is defined. Ex: Does qubit 3 have an x gate defined?\n",
461+
"inst_map.has('x', 3)"
462+
]
463+
},
464+
{
465+
"cell_type": "code",
466+
"execution_count": 17,
467+
"metadata": {},
468+
"outputs": [
469+
{
470+
"data": {
471+
"text/plain": [
472+
"Schedule((0, FrameChangeInstruction(FrameChange(phase=-3.142, name=\"fc0\"), DriveChannel(0))), name=\"u1\")"
473+
]
474+
},
475+
"execution_count": 17,
476+
"metadata": {},
477+
"output_type": "execute_result"
478+
}
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],
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"source": [
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"# Some circuit operations take parameters. U1 takes a rotation angle:\n",
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"inst_map.get('u1', 0, P0=3.1415)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"While building your schedule, you can also use `inst_map.add(name, qubits, schedule)` to store useful `Schedule`s that you've made yourself. "
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]
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},
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{

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