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학술지 12.5 Gbps Optical Modulation of Silicon Racetrack Resonator based on Carrier-depletion in Asymmetric p-n Diode
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저자
유종범, 박미란, 박정우, 김경옥
발행일
200810
출처
Optics Express, v.16 no.22, pp.18340-18344
ISSN
1094-4087
출판사
Optical Society of America(OSA)
DOI
https://dx.doi.org/10.1364/OE.16.018340
협약과제
08MB1600, 실리콘 기반 초고속 광인터커넥션 IC, 김경옥
초록
We present a high speed optical modulation using carrier depletion effect in an asymmetric silicon p-n diode resonator. To optimize coupling efficiency and reduce bending loss, two-step-etched waveguide is used in the racetrack resonator with a directional coupler. The quality factor of the resonator with a circumference of 260 um is 9,482, and the DC on/off ratio is 8 dB at -12V. The device shows the 3 dB bandwidth of ~8 GHz and the data transmission up to 12.5Gbit/s. ©2008 Optical Society of America.
KSP 제안 키워드
3-dB bandwidth, Bending loss, Carrier depletion, Data transmission, Depletion effect, High Speed, PN diode, Petri net(PN), Quality-factor(Q-factor), Two-Step, coupling efficiency