qiskit.pulse.builder.reference

reference(name, *extra_keys)

Refer to undefined subroutine by string keys.

A Reference instruction is implicitly created and a schedule can be separately registered to the reference at a later stage.

from qiskit import pulse
 
with pulse.build() as main_prog:
    pulse.reference("x_gate", "q0")
 
with pulse.build() as subroutine:
    pulse.play(pulse.Gaussian(160, 0.1, 40), pulse.DriveChannel(0))
 
main_prog.assign_references(subroutine_dict={("x_gate", "q0"): subroutine})

Parameters

• name (str) – Name of subroutine.
• extra_keys (str) – Helper keys to uniquely specify the subroutine.