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Opt Express. 2009 Mar 30;17(7):4932-7.

Terahertz optical clock generation with tunable repetition rate and central wavelength using variable-bandwidth spectrum shaper.

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Japan Women's University, Tokyo,


Recently, a number of high-speed optical clock generation technologies have been developed due to their potential useful applications in different fields. Here, we propose a new terahertz optical clock generation technique with tunable repetition rate and central wavelength. The proposed optical clock generator consists of an frequency comb light source and a variable-bandwidth spectrum shaper (VBS). The VBS can generate arbitrary repetition rate pulse trains and waveform by controlling each spectral mode. We experimentally demonstrated optical clock generation with repetition rates of 1.28, 2.56, 3.0, and 4.0 THz.

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