| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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A Compact and Highly Efficient Silicon-Based Asymmetric Mach–Zehnder Modulator with Broadband Spectral Operation |
| ZHOU Liang1, LI Zhi-Yong1**, XIAO Xi1, XU Hai-Hua1, FAN Zhong-Chao2, HAN Wei-Hua2, YU Yu-De1, YU Jin-Zhong1 |
1State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083
2Engineering Research Center for Semiconductor Integrated Technology, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083
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| Cite this article: |
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ZHOU Liang, LI Zhi-Yong, XIAO Xi et al 2011 Chin. Phys. Lett. 28 074202 |
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Abstract An asymmetric Mach–Zehnder electro-optic modulator is demonstrated by using a silicon-based p-i-n diode embedded in compact 200 µm long phase shifters. The measured figure of merit VπL=0.23 V⋅mm shows highly efficient modulation by the device, and an open eye−diagram at 3.2 Gbit/s confirmed its fast electro-optic response. Integrated with the grating coupler, the device exhibits a broad operational wavelength range of 70 nm with a uniform 18 dB extinction ratio covering the C−band and part L-band of optical communication.
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| Keywords:
42.79.Ta
42.82.Et
42.79.Hp
42.81.Qb
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Received: 18 January 2011
Published: 29 June 2011
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| PACS: |
42.79.Ta
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(Optical computers, logic elements, interconnects, switches; neural networks)
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42.82.Et
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(Waveguides, couplers, and arrays)
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42.79.Hp
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(Optical processors, correlators, and modulators)
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42.81.Qb
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(Fiber waveguides, couplers, and arrays)
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