Standing-wave enhanced electroabsorption modulator for 40-GHz optical pulse generation |
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Authors: | Hsu-Feng Chou Yi-Jen Chiu J.E. Bowers |
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Affiliation: | Dept. of Electr. & Comput. Eng., California Univ., Santa Barbara, CA, USA; |
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Abstract: | Compact 40-GHz optical pulse generators are crucial to the implementation of practical 160-Gb/s optical time-division-multiplexing systems with 40-Gb/s electrical time-division-multiplexing tributaries. In this letter, we report on a novel standing-wave enhanced mode of the electroabsorption modulator (EAM) which can improve the performance of a single EAM for 40-GHz pulse generation. Both experimental and theoretical results indicate that the distributed effect plays an important role in the high-frequency operation of the EAM and the length of the microwave termination line must be adjusted properly to maximize the performance. |
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