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Proceedings Paper

An interdigitated diffusion-based In(0.53)Ga(0.47)As lateral PIN photodiode
Author(s): P. Susthitha Menon; Kumarajah Kandiah; Abang Annuar Ehsan; Sahbudin Shaari
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Paper Abstract

A novel 3D modeling of a lateral PIN photodiode (LPP) is presented utilizing In0.53Ga0.47As as the absorbing layer. The LPP has profound advantages compared to the vertical PIN photodiode (VPD) mainly due to the ease of fabrication where diffusion or ion implantation can be used to form the p+ and n+ wells in the absorbing layer. The device has an interdigitated electrode structure to maximize optical absorption. At a wavelength of 1550 nm, optical power of 5 Wcm-2 and 5 V reverse bias voltage, the device achieved responsivity of 0.5 A/W. The -3dB frequency response of the device was at 14 GHz and it is able to cater for 10 Gbit/s optical communication networks.

Paper Details

Date Published: 8 January 2008
PDF: 9 pages
Proc. SPIE 6838, Optoelectronic Devices and Integration II, 68380C (8 January 2008); doi: 10.1117/12.757385
Show Author Affiliations
P. Susthitha Menon, Univ. Kebangsaan Malaysia (Malaysia)
Kumarajah Kandiah, Univ. Kebangsaan Malaysia (Malaysia)
Abang Annuar Ehsan, Univ. Kebangsaan Malaysia (Malaysia)
Sahbudin Shaari, Univ. Kebangsaan Malaysia (Malaysia)

Published in SPIE Proceedings Vol. 6838:
Optoelectronic Devices and Integration II
Xuping Zhang; Hai Ming; Maggie Yihong Chen, Editor(s)

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