期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 24, 期 4, 页码 -出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2011.2177081
关键词
High speed; Mach-Zehnder interferometer (MZI); optical modulator; silicon photonics
资金
- European Community [224312 HELIOS]
- EPSRC in the U.K.
- EPSRC [EP/F001428/1, EP/F001428/2] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/F001428/2, EP/F001428/1] Funding Source: researchfish
Optical modulators formed in silicon are the keystone to many low cost optical applications. Increasing the data rate of the modulator benefits the efficiency of channel usage and decreases power consumption per bit of data. Silicon-based modulators which operate via carrier depletion have to the present been demonstrated at data rates up to 40 Gb/s; however, here we present for the first time optical modulation at 50 Gb/s with a 3.1-dB extinction ratio obtained from carrier depletion based phase shifter incorporated in a Mach-Zehnder interferometer. A corresponding optical insertion loss of approximately 7.4 dB is measured.
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