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Publication # 243

R. Urata, R. Takahashi, V. A. Sabnis, D. A. B. Miller, and J. S. Harris, Jr., "Ultrafast Optoelectronics Sample and Hold using Low-Temperature-Grown GaAs MSM," IEEE Photonics Technol. Lett. 15, 724 726 (2003)

We demonstrate 20-GHz input bandwidth of an optoelectronic sample-and-hold circuit using optically triggered metal-semiconductor-metal switches made of low-temperature-grown GaAs. Linearity greater than or equal to 4 effective-number-of-bits and an estimated 3-dB bandwidth of up to ~63 GHz are observed for the sample-and-hold process, making the device a potential candidate for moderate resolution, high-speed sampling applications.


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