Method and system for configuring a device for correcting the effect of a medium on a light signal, method, device and system for correcting said effect

A system for configuring a device for correcting the effect of a medium on a light signal having propagated through said medium, said device comprising at least one optical element whose spatial phase profile is individually adjustable, said system comprising:

• means for propagating a first light signal through said medium, said medium thus providing a disordered signal;
• means for propagating said disordered signal through said device;
• means for propagating a second light signal, called reference signal, through said device, said reference signal being identical to said first signal;
• means for measuring an interference parameter between said disordered signal and said reference signal at the level of each optical element;
• and
• means for modifying the phase profile of at least one of said optical elements to increase said interference parameter.

A method for configuring a device to apply a given deformation to a light signal, said device comprising at least one optical element a plurality of optical elements whose spatial phase profile is profiles are individually adjustable, said method comprising the following steps:

• propagating a first light signal through a medium, said propagating step providing a reference signal;
• propagating said reference signal through said device the optical elements;
• propagating a signal to deform second light signal through said device optical elements in a propagation direction opposite to a propagation direction of the reference signal, said signal to deform second light signal being identical to said first reference signal;
• using the reference signal to apply the given deformation to the second light signal and generating an interference signal between said second light signal and said reference signal;
• optimizing interference between said reference signal and said signal to deform, said optimizing step comprising said interference signal by repeating at least one iteration of the following steps for at least one optical element:
• measuring at least one interference parameter between said reference signal and said signal to deform of said interference signal;
• and
• modifying the phase profile of at least one optical element depending on said interference parameter.

A system for configuring a device to apply a given deformation to a light signal, said device comprising at least one optical element whose spatial phase profile is individually adjustable, said system comprising:

• means for propagating a first light signal through a medium, said medium thus providing a reference signal;
• means for propagating said reference signal through said device;
• means for propagating a signal to deform through said device, said signal to deform being identical to said first signal;
• means for measuring an interference parameter between said reference signal and said signal to deform at the level of each optical element;
• and
• means for modifying the phase profile of at least one of said optical elements to increase said interference parameter.

A non-transitory computer-readable medium comprising:

• instructions to implement the steps of a method for configuring a device to correct the effect of a medium on a light signal having propagated through said medium that, when said computer program is instructions are executed by a computer or by computing means, said device comprising at least one optical element whose spatial phase profile is individually adjustable, said method comprising the following steps cause the computer or computing means to apply a given deformation to a light signal by:
• propagating a first light signal through said a medium, said propagating step providing a reference signal;
• propagating said causing the reference signal to propagate through said device optical elements whose spatial phase profiles are individually adjustable utilizing a source;
• propagating causing a signal to deform second light signal to propagate through said device optical elements in a propagation direction opposite to a propagation direction of the reference signal utilizing the source, said signal to deform second light signal being identical to said first reference signal;
• using the reference signal to apply the given deformation to the second light signal and generating an interference signal between said second light signal and said reference signal;
• optimizing causing at least one optimization module to optimize said interference between said reference signal and said signal to deform, said optimizing step comprising signal by repeating at least one iteration of the following steps for at least one optical element:
• measuring at least one interference parameter between said reference signal and said signal to deform of said interference signal;
• and
• modifying the phase profile of at least one optical element depending on said interference parameter.

A device for applying a given deformation to a light signal, comprising at least one optical element whose spatial phase profile is individually adjustable and configured according to the following method:

• propagating a first light signal through a medium, said propagating step providing a reference signal;
• propagating said reference signal through said device;
• propagating a signal to deform through said device, said signal to deform being identical to said first signal;
• optimizing interference between said reference signal and said signal to deform, said optimizing step comprising at least one iteration of the following steps for at least one optical element:
• measuring at least one interference parameter between said reference signal and said signal to deform:
• and
• modifying the phase profile of at least one optical element depending on said interference parameter.

A method for applying a given deformation to a light signal, said method implementing a device comprising at least one optical element whose phase profile is individually adjustable, said method comprising:

• a configuration phase for configuring said device, and
• a deformation phase deforming said signal with said calibrated device;
• said configuration phase comprising:
• propagating a first light signal through a medium, said propagating step providing a reference signal:
• propagating said reference signal through said device;
• propagating a signal to deform through said device, said signal to deform being identical to said first signal;
• optimizing interference between said reference signal and said signal to deform, said optimizing step comprising at least one iteration of the following steps for at least one optical element:
• measuring at least one interference parameter between said reference signal and said signal to deform:
• and
• modifying the phase profile of at least one optical element depending on said interference parameter.

A system for applying a given deformation to a light signal, said system comprising:

• a deformation device comprising at least one optical element whose spatial phase profile is individually adjustable;
• and
• a configuring system to configure said device, said configuring system comprising:
• means for propagating a first light signal through a medium, said medium thus providing a reference signal;
• means for propagating said reference signal through said device;
• means for propagating a signal to deform through said device, said signal to deform being identical to said first signal;
• means for measuring an interference parameter between said reference signal and said signal to deform at the level of each optical element;
• and
• means for modifying the phase profile of at least one of said optical elements to increase said interference parameter.

A method for configuring a device to correct the effect of a medium on a light signal having propagated through said medium, said device comprising a plurality of optical elements whose spatial phase profile is individually adjustable, said method comprising the following steps:

• propagating a first light signal through said medium, said propagating step providing a disordered signal;
• propagating said disordered signal through the optical elements;
• propagating a second light signal, called reference signal, through the optical elements, said reference signal being identical to said first signal to generate an interference signal between said disordered signal and said reference signal, wherein said reference signal is propagated through each optical element in a propagation direction opposite to the propagation direction of the disordered signal;
• and
• optimizing the interference signal by repeating at least one iteration of the following steps for at least one optical element:
• measuring at least one interference parameter of the interference signal;
• and
• modifying the phase profile of at least one optical element depending on said interference parameter.

A method for configuring a device to correct an effect of a medium on a light signal having propagated through the medium, the device comprising a plurality of optical elements whose spatial phase is individually adjustable, the method comprising:

• propagating a disordered signal and a reference signal through the optical elements in opposite directions to generate an interference signal between the disordered signal and the reference signal, the disordered signal comprising a first light signal having propagated through the medium, the reference signal comprising a second light signal identical to the first light signal;
• optimizing the interference signal by performing at least one iteration of the following steps for at least one optical element:
• measuring at least one interference parameter of the interference signal;
• and
• modifying the phase profile of the at least one optical element depending on the interference parameter.

A method for configuring a device to apply a given deformation to a light signal, said device comprising a plurality of optical elements whose spatial phase profiles are individually adjustable, said method comprising the following steps:

• propagating a first light signal through a medium, said propagating step providing a reference signal;
• propagating the reference signal through the optical elements;
• propagating a second light signal through said optical elements, said second light signal being identical to said reference signal, wherein said reference signal is propagated through each optical element in a propagation direction opposite to the propagation direction of the second light signal;
• using the reference signal to apply the given deformation to the second light signal and generating an interference signal between said second light signal and said reference signal;
• optimizing said interference signal by repeating at least one iteration of the following steps for at least one optical element:
• measuring at least one interference parameter of said interference signal;
• and
• modifying the phase profile of at least one optical element depending on said interference parameter.