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학술지 Integration and Characteristics of 40-Gb/s Electroabsorption Modulator Integrated Laser Module With a Driver Amplifier and Bias Tees
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저자
윤호경, 최광성, 권용환, 최중선, 문종태
발행일
200811
출처
IEEE Transactions on Advanced Packaging, v.31 no.4, pp.855-860
ISSN
1521-3323
출판사
IEEE
DOI
https://dx.doi.org/10.1109/TADVP.2008.2003982
협약과제
06MB2100, 40G 모듈, 이명현
초록
Integration of a 40-Gb/s electroabsorption modulator integrated distributed feedback (DFB) laser (EML) module with a driver amplifier and bias tee was investigated. For the EML fabrication the selective area growth (SAG) technique was adopted for the first time. It is shown that, with the SAG technique, the 3-dB bandwidth of about 45 GHz was measured in the electrical to optical response, and the return loss (S11) of below -10 dB was achieved for up to 50 GHz. To integrate a bias tee within the module, a right-angle bent coplanar waveguide (CPW) was developed. The right-angle bent CPW was characterized with S11 of below -10 dB for up to 35 GHz and insertion loss (S21) of about -1.4 dB for up to 40 GHz. The whole integrated module including the EML, a driver amplifier, and bias tee was characterized under the conditions of an operating temperature of 25 °C, the modulator bias of 1.4 V, and the DFB laser current of 40 mA. S11 of below -10 dB was obtained for up to 14 GHz and the measured electrical-to-optical response has 3-dB bandwidth of about 20 GHz. © 2008 IEEE.
키워드
40 Gb/s, Driver amplifier integrated module, Electroabsorption modulator-integrated laser, Packaging, Right-angle bent coplanar waveguide
KSP 제안 키워드
3-dB bandwidth, 3.5 GHz, 40 gb/s, 45 GHz, Coplanar Waveguide Feeding(CPW), Distributed feedback (DFB) laser, Driver Amplifier, Integrated laser, Integrated module, Laser module, Return loss(RL)