<P>This brief presents two area-efficient drivers for a 50-Omega terminated optical modulator. Driver 1 adopts a double cascode with dynamic biasing that enables sufficient high-speed operation owing to the high transition frequency of the thin-...
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https://www.riss.kr/link?id=A107704402
2016
-
SCOPUS,SCIE
학술저널
1034-1038(5쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P>This brief presents two area-efficient drivers for a 50-Omega terminated optical modulator. Driver 1 adopts a double cascode with dynamic biasing that enables sufficient high-speed operation owing to the high transition frequency of the thin-...
<P>This brief presents two area-efficient drivers for a 50-Omega terminated optical modulator. Driver 1 adopts a double cascode with dynamic biasing that enables sufficient high-speed operation owing to the high transition frequency of the thin-oxide transistor. Therefore, it does not require area-consuming additional peaking inductors. A custom-designed shared inductor is used in Driver 2 for bandwidth enhancement with a small area penalty; the required total inductance is only 13.3% of the conventional shunt peaking case. The prototypes are fabricated in a 65-nm complementary metal-oxide-semiconductor process. Electrical measurement results show that Driver 1 exhibits a differential output swing of 5 V-PP, a data rate of 20 Gb/s, and a power consumption of 534 mW. The measured performance of Driver 2 is 3.8 V-PP and 348 mW at 25 Gb/s. The active areas of the proposed modulator drivers are only 0.068 mm(2) and 0.038 mm(2).</P>