All-optical Mach-Zehnder modulator using a photochromic dye-doped polymer

Jae Wook Kang; Jang Joo Kim; Eunkyoung Kim

doi:10.1063/1.1459111

All-optical Mach-Zehnder modulator using a photochromic dye-doped polymer

Jae Wook Kang, Jang Joo Kim, Eunkyoung Kim

Department of Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

57 Citations (Scopus)

Abstract

An 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.

Original language	English
Pages (from-to)	1710-1712
Number of pages	3
Journal	Applied Physics Letters
Volume	80
Issue number	10
DOIs	https://doi.org/10.1063/1.1459111
Publication status	Published - 2002 Mar 11

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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abstract = "An 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.",

author = "Kang, {Jae Wook} and Kim, {Jang Joo} and Eunkyoung Kim",

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AB - An 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.

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All-optical Mach-Zehnder modulator using a photochromic dye-doped polymer

Abstract

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