Patent ID: 8463094

Claim:
An optical chiral fiber polarizer comprising: an optical fiber structure comprising a core, and at least one structure element positioned external and parallel to the core, said optical fiber structure further comprising: at least one modified portion comprising a non-circular exterior cross section, each said at least one modified portion being configured in accordance with at least one predefined diameter reduction and expansion profile to produce at least one diameter expansion sub-section, and at least one diameter reduction sub-section, wherein each said at least one diameter expanded sub-section is operable to allow a light signal of a predefined operation wavelength and comprising first and second linear polarization components, to propagate substantially in said core, and wherein each said at least one diameter reduced sub-section is operable to allow both said first and said second polarization components of said light signal of said predefined operation wavelength to simultaneously propagate substantially in said core and in said at least one external structure element, and wherein each said at least one modified portion is further configured in accordance with at least one helical pitch profile, such that each said at least one modified portion is operable to, in response to receiving, said light signal for processing: convert said first linear polarization component to a first elliptical polarization component while scattering said first elliptical polarization component, and convert said second linear polarization component to a second elliptical polarization component, transmit therethrough, and convert back to said second linear polarization component prior to exit therefrom.