sf.tdm.vacuum_padding¶
-
vacuum_padding
(gate_args, delays=[1, 6, 36])[source]¶ Pad the gate arguments with 0 for vacuum modes.
Adds zeros to the beginning and end of the gate-argument lists in order to make sure: - the non-trivial gates start punctual with the arrival of the first (possibly delayed) pulse - all loops are emptied from optical pulses at the end of the program - all gate lists have the same number of elements
- Parameters
gate_args (dict) – dictionary with the collected arguments for squeezing gate, phase gates and beamsplitter gates
delays (list, optional) – The delay applied by each loop in time bins. Defaults to
[1, 6, 36]
.
- Returns
the input dictionary with the lists of phase-gate and beamsplitter arguments sandwiched with appropriate amounts of zeros
- Return type
dict
code/api/strawberryfields.tdm.vacuum_padding
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