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Journal Article Improvement of Modulation Bandwidth in Electroabsorption-Modulated Laser by Utilizing the Resonance Property in Bonding Wire
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Authors
Oh Kee Kwon, Young Tak Han, Yong Soon Baek, Yun C. Chung
Issue Date
2012-05
Citation
Optics Express, v.20, no.11, pp.11806-11812
ISSN
1094-4087
Publisher
Optical Society of America (OSA),
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1364/OE.20.011806
Abstract
We present and demonstrate a simple and cost-effective technique for improving the modulation bandwidth of electroabsorption-modulated laser (EML). This technique utilizes the RF resonance caused by the EML chip (i.e., junction capacitance) and bonding wire (i.e, wire inductance). We analyze the effects of the lengths of the bonding wires on the frequency responses of EML by using an equivalent circuit model. To verify this analysis, we package a lumped EML chip on the sub-mount and measure its frequency responses. The results show that, by using the proposed technique, we can increase the modulation bandwidth of EML from ~16 GHz to ~28 GHz. © 2012 Optical Society of America.
KSP Keywords
28 GHz, 6 GHz, Bonding wires, Frequency response(FreRes), Modulated laser, Modulation bandwidth, cost-effective, equivalent circuit model(ECM), junction capacitance
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(CC BY)
CC BY