Broadband modulation of light by using an electro-optic polymer |
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Authors: | Lee Mark Katz Howard E Erben Christoph Gill Douglas M Gopalan Padma Heber Joerg D McGee David J |
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Institution: | Bell Laboratories-Lucent Technologies, 600 Mountain Avenue, Murray Hill, NJ 07974, USA. markl@lucent.com |
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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. |
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