Title :
In-line optical fiber polarizer and modulator coated with Langmuir-Blodgett films
Author :
Zhu, Rong ; Wei, Yu ; Scholl, Bernhard ; Schmitt, H.J.
Author_Institution :
Lab. of Molecular & Biomolecular Electron., Southeast Univ., Nanjing, China
Abstract :
In-line optical fiber polarizer and modulator were fabricated by depositing Langmuir-Blodgett (LB) films on polished fiber surface with gold layer. The thickness of LB film was adjusted by changing the number of monolayers, which then optimized the performance of the fiber polarizer. Good agreement was observed between the theoretically predicted conditions for efficient coupling and the experimentally determined conditions for high TM/TE extinction ratio of the optical field. By applying an electric field between the LB film, the polarization state of the lightwave in the optical fiber can be modulated.<>
Keywords :
Langmuir-Blodgett films; electro-optical modulation; monolayers; optical fibre couplers; optical fibre fabrication; optical fibres; optical modulation; optical polarisers; Langmuir-Blodgett films; TM/TE extinction ratio; coupling; electric field; fabrication; lightwave; monolayers; optical fiber modulator; optical fiber polarizer; optical field; performance; polarization state; polished fiber surface; Gold; Optical fiber communication; Optical fiber devices; Optical fiber polarization; Optical fibers; Optical films; Optical interferometry; Optical modulation; Optical sensors; Optical surface waves;
Journal_Title :
Photonics Technology Letters, IEEE
