Patent ID: 11874501
Assignee: QUEEN'S UNIVERSITY AT KINGSTON
Field: Optics (Instruments)
Classification: CPC G  H | IPC G  H

Claim 17:
18. A method, comprising:
at a controller coupled to a plurality of tuned optical add-drop filters (ADFs) and to a corresponding plurality of controllable optical delay elements (ODEs),
each controllable ODE having associated thereto a respective one of the plurality of tuned optical ADFs thereby forming a plurality of ADF/ODE pairs,
each tuned optical ADF having associated thereto a respective ADF delay value,
each controllable ODE having associated thereto a respective controllable ODE delay and a respective minimum ODE delay,
each pair of the plurality of ADF/ODE pairs having associated thereto a combined delay equal to a sum of a respective ADF delay value and a respective controllable ODE delay:
for each ADF/ODE pair,
calculating a respective sum of the respective ADF delay value and of the respective minimum ODE delay value, to obtain a plurality of sums,
obtaining a value of largest sum of the plurality of sums,
controlling each controllable ODE to obtain a same combined delay for each of the plurality of ADF/ODE pairs, the same combined delay being equal to at least the value of the largest sum.