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https://doi.org/10.1109/LPT.2008.2005586
Title: | High-speed metal-germanium-metal configured PIN-like Ge-photodetector under photovoltaic mode and with dopant-segregated Schottky-contact engineering | Authors: | Zang, H. Lee, S. Yu, M. Loh, W.Y. Wang, J. Lo, G.-Q. Kwong, D.-L. |
Keywords: | Dopant segregation Metal-germanium-metal (MGM) Photodetectors (PDs) Schottky-contact Si-waveguide |
Issue Date: | 1-Dec-2008 | Citation: | Zang, H., Lee, S., Yu, M., Loh, W.Y., Wang, J., Lo, G.-Q., Kwong, D.-L. (2008-12-01). High-speed metal-germanium-metal configured PIN-like Ge-photodetector under photovoltaic mode and with dopant-segregated Schottky-contact engineering. IEEE Photonics Technology Letters 20 (23) : 1965-1967. ScholarBank@NUS Repository. https://doi.org/10.1109/LPT.2008.2005586 | Abstract: | In this letter, we present a high-speed metal-germanium-metal configured Ge-photodetectors (MGM-PDs) under photovoltaic mode (i.e., 0-V operation). The metal contacts are engineered by an asymmetrical (i.e., boron and arsenic) dopant-segregation scheme on Schottky-contacts to suppress the dark current, and are with scaled spacing (∼0.8 μm). The MGM-PD (with ∼300-nm-thick Ge) is integrated on a silicon-on-isolator waveguide with complementary metal-oxide-semiconductor field effect transistor compatible process. For λ = 1550 nm, under 0-V bias, the devices illustrate a reasonable responsivity ∼0.17 A/W and a fast pulse response of 18 ps. © 2008 IEEE. | Source Title: | IEEE Photonics Technology Letters | URI: | http://scholarbank.nus.edu.sg/handle/10635/56210 | ISSN: | 10411135 | DOI: | 10.1109/LPT.2008.2005586 |
Appears in Collections: | Staff Publications |
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