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Conference Paper
Fabrication and Characteristics of 40 Gb/s Traveling-Wave Electroabsorption Modulator-Integrated DFB Laser Modules
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- Issue Date
- 2006-05
- Citation
- Electronic Components and Technology Conference (ECTC) 2006, pp.1687-1692
- Language
- English
- Type
- Conference Paper
- Project Code
- 06MB2100, 40G Module, Myung Hyun Lee
- Abstract
- We developed 40 Gb/s Traveling Wave Electroabsorption Modulator-Integrated DFB Laser (TW-EML) modules using several advanced technologies. This 40 Gb/s EML device adopted traveling wave electrode structures and showed the result that the measured 3 dB bandwidth of the Electrical-to-Optical (E/O) response reached about 45 GHz and the return loss (S11) was kept below -10 dB up to 50 GHz. For the module designs of this device, electrical and optical factors were mainly considered. The measured S11 of the fabricated 40 Gb/s TW-EML module was maintained below -10 dB up to about 30 GHz and the 3 dB bandwidth of the E/O response reached over 35 GHz. We also developed two types of CPW for the application of the driver amplifier integrated 40 Gb/s TW-EML module, which is a System-on-Package (SoP) composed of a EML device and a driver amplifier device in a module. The measured S11 of the two-step-bended CPW was kept below - 10 dB up to 35 GHz and the measured S11 of the parallel type Coplanar Waveguide (CPW) was kept below -10 dB up to 39 GHz. ©2006 IEEE.
- KSP Keywords
- 3-dB bandwidth, 3.5 GHz, 30 GHz, 39 GHz, 40 gb/s, 45 GHz, Coplanar Waveguide Feeding(CPW), DFB laser, Driver Amplifier, Parallel type, Return loss(RL)