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Journal Article Reliability of InGaAs waveguide photodiodes for 40-Gb/s optical receivers
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Authors
Han Sung Joo, Su Chang Jeon, Bongyong Lee, Hongil Yoon, Yong Hwan Kwon, Joong-Seon Choe, Ilgu Yun
Issue Date
2005-06
Citation
IEEE Transactions on Device and Materials Reliability, v.5, no.2, pp.262-267
ISSN
1530-4388
Publisher
IEEE
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1109/TDMR.2005.846980
Abstract
The reliability of 1.55-μm wavelength InGaAs waveguide photodiodes (WGPDs) fabricated by metal-organic chemical vapor deposition is investigated for 40-Gb/s optical receiver applications. Reliability for both high-temperature storage and accelerated life tests obtained by monitoring both the dark current and the breakdown voltage is examined. The median device lifetime and the activation energy of the degradation mechanism are extracted for WGPD test structures. The device lifetimes are examined via statistical analysis which is highly reliable in predicting the device lifetime under practical conditions. The degradation mechanism for the WGPD test structures can be explained by the formation of leakage current path by ionic impurities in the passivation layer on the exposed p-n junction. Nevertheless, it can be concluded that the WGPD test structures exhibit sufficient reliability for practical 40-Gb/s optical receiver applications. © 2005 IEEE.
KSP Keywords
Accelerated life test, Activation Energy, Breakdown voltage(BDV), Current Path, Dark Current, High temperature storage, InGaAs waveguide, Leakage current, Metalorganic chemical vapor deposition, Optical receiver, P-N junction