Broadband Modulation of Light by Using an Electro-Optic Polymer

Author:

Lee Mark1,Katz Howard E.1,Erben Christoph1,Gill Douglas M.1,Gopalan Padma1,Heber Joerg D.1,McGee David J.1

Affiliation:

1. Bell Laboratories–Lucent Technologies, 600 Mountain Avenue, Murray Hill, NJ 07974, USA.

Abstract

A major challenge to increasing bandwidth in optical telecommunications is to encode electronic signals onto a lightwave carrier by modulating the light up to very fast rates. Polymer electro-optic materials have the necessary properties to function in photonic devices beyond the 40-GHz bandwidth currently available. An appropriate choice of polymers is shown to effectively eliminate the factors contributing to an optical modulator's decay in the high-frequency response. The resulting device modulates light with a bandwidth of 150 to 200 GHz and produces detectable modulation signal at 1.6 THz. These rates are faster than anticipated bandwidth requirements for the foreseeable future.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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