RPNG

class tqec.plaquette.RPNG(r, p, n, g)

Bases: object

Organize a single RPNG value

-z1- rpng

(r) data qubit reset basis or h or - (p) data basis for the controlled operation (x means CNOT controlled on the ancilla and targeting the data qubit, y means CY, z means CZ) (n) time step (positive integers, all distinct, typically in 1-5) (g) data qubit measure basis or h or -

Assumptions on the circuit: - if not otherwise stated, a basis can be {x,y,z} - the ancilla is always the control qubit for the CNOT, CY, or CZ gates - time step of r same as ancilla reset (always 0) - time step of g same as ancilla measurement (by default 6)

Parameters:

• r (ExtendedBasisEnum | None)

• p (BasisEnum | None)

• n (int | None)

• g (ExtendedBasisEnum | None)

r   data qubit reset basis or h or -

p   data basis for the controlled operation

Type:

assuming a=z, x means CNOT controlled on the ancilla and targeting the data qubit, y means CY, z means CZ

n   time step

Type:

positive integers, all distinct, typically in 1-5

g   data qubit measure basis or h or -

Methods

__init__(r, p, n, g)
from_string(rpng_string)	Initialize the RPNG object from a 4-character string
get_g_op()	Get the measurement operation or Hadamard
get_r_op()	Get the reset operation or Hadamard

Attributes

is_null	Check if the RPNG object is null, i.e. all fields are None.
r
p
n
g

Detailed methods

__init__(r, p, n, g)

Parameters:

• r (ExtendedBasisEnum | None)

• p (BasisEnum | None)

• n (int | None)

• g (ExtendedBasisEnum | None)

Return type:

None

classmethod from_string(rpng_string)

Initialize the RPNG object from a 4-character string

Note that any character different from a BasisEnum / ExtendedBasisEnum value would result in the corresponding field being None.

Parameters:

rpng_string (str)

Return type:

RPNG

get_g_op()

Get the measurement operation or Hadamard

Return type:

str | None

get_r_op()

Get the reset operation or Hadamard

Return type:

str | None