Abstract: A photonic integrated circuit, PIC, comprising a plurality of semiconductor layers on a substrate, the plurality of semiconductor layers forming a PIN or PN doping structure, the PIC comprising a waveguide arranged for conducting light waves; an optical element connected to the waveguide, wherein the optical element, in operation, is in reverse-bias mode, and wherein the optical element comprises a contact layer arranged for connecting to a voltage source; wherein the waveguide comprises conducting contacts proximal to the optical element, and wherein the PIC further comprises at least one isolation section arranged in between the optical element and the conducting contacts. Corresponding methods of operation of such a PIC are also presented herein.

Abstract: A photonic integrated circuit, PIC, comprising a plurality of semiconductor layers on a substrate, the plurality of semiconductor layers forming a PIN or PN doping structure, the PIC comprising a waveguide arranged for conducting light waves; an optical element connected to the waveguide, wherein the optical element, in operation, is in reverse-bias mode, and wherein the optical element comprises a contact layer arranged for connecting to a voltage source; wherein the waveguide comprises conducting contacts proximal to the optical element, and wherein the PIC further comprises at least one isolation section arranged in between the optical element and the conducting contacts. Corresponding methods of operation of such a PIC are also presented herein.

Abstract: The present invention relates to an optical shape sensing system for sensing a shape of a medical device (24), comprising an input polarization controller (12) for setting an input polarization state of an input light signal, at least one interferometer unit (18) for dividing said polarized input light signal into a device signal and a reference signal, guiding said device signal to be scattered within an optical fiber (19) inserted into said device (24) and coupling said scattered device signal with said reference signal to form an output light signal, and at least one measurement branch (39) comprising an output polarization controller arrangement (26) for setting an output polarization state of said output light signal, a polarizing beam splitter (30) for splitting said polarized output light signal into two signal portions, each being in a corresponding one of two signal portion polarization states, and a detector arrangement (35) comprising two detectors (32, 34), each for detecting a corresponding one o

Abstract: The present invention relates to an optical shape sensing system for sensing a shape of a medical device (24), comprising an input polarization controller (12) for setting an input polarization state of an input light signal, at least one interferometer unit (18) for dividing said polarized input light signal into a device signal and a reference signal, guiding said device signal to be scattered within an optical fiber (19) inserted into said device (24) and coupling said scattered device signal with said reference signal to form an output light signal, and at least one measurement branch (39) comprising an output polarization controller arrangement (26) for setting an output polarization state of said output light signal, a polarizing beam splitter (30) for splitting said polarized output light signal into two signal portions, each being in a corresponding one of two signal portion polarization states, and a detector arrangement (35) comprising two detectors (32, 34), each for detecting a corresponding one o