All-optical Mach–Zehnder modulator using a photochromic dye-doped polymer
2002; American Institute of Physics; Volume: 80; Issue: 10 Linguagem: Inglês
10.1063/1.1459111
ISSN1520-8842
AutoresJae‐Wook Kang, Jang‐Joo Kim, Eunkyoung Kim,
Tópico(s)Photochromic and Fluorescence Chemistry
ResumoAn all-optical Mach–Zehnder modulator is demonstrated which is composed of a polymer waveguide doped with a photochromic dye in the core and a thick light blocking metal layer on it. The metal layer was opened on one arm of the Mach–Zehnder modulator, so that only one arm of the modulator could be irradiated by modulation light, thus allowing a differential phase shift. The optical modulator exhibited an extinction ratio of about −12 dB at a wavelength of 1.55 μm. A simple kinetic model developed to delineate the refractive index change in the dye-doped polymer film was applied to predict the evolution of the modulation characteristics.
Referência(s)