Optical modulators based on depletion width translation in semiconductor microdisk resonators

被引:15
作者
Sadagopan, T [1 ]
Choi, SJ
Choi, SJ
Dapkus, PD
Bond, AE
机构
[1] Univ So Calif, Dept Elect Engn Electrophys, Los Angeles, CA 90089 USA
[2] Univ So Calif, Dept Elect Engn & Mat Sci, Los Angeles, CA 90089 USA
[3] TNetworks Inc, Allentown, PA 18101 USA
关键词
analog; depletion mechanism; digital; GaInAsP; high-speed modulators; low voltage; microresonators;
D O I
10.1109/LPT.2004.842365
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Optical modulation using a depletion width translation mechanism in microdisk. devices is investigated. The devices are designed to operate at low drive voltages and have high bandwidths. Analog modulators that operate at drive voltages below 1 V with a 3-dB bandwidth of over 8 GHz were achieved. Eye diagrams showed that the device is capable of operating as a digital switch with speeds up to 10 Gb/s. Since the speed in the case of depletion width modulation is essentially determined by the junction area of the device, it can be improved by further reduction in the active area.
引用
收藏
页码:567 / 569
页数:3
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