Yuan Pei, Wang Yue, Wu Yuanda, An Junming, Zhu Lianqing. Monolithic integration of a wavelength division multiplexer/demultiplexer and electro-absorption VOAs based on 3 μm-SOI[J]. Infrared and Laser Engineering, 2019, 48(8): 818004-0818004(7). doi: 10.3788/IRLA201948.0818004
| Citation:
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Yuan Pei, Wang Yue, Wu Yuanda, An Junming, Zhu Lianqing. Monolithic integration of a wavelength division multiplexer/demultiplexer and electro-absorption VOAs based on 3 μm-SOI[J]. Infrared and Laser Engineering, 2019, 48(8): 818004-0818004(7). doi: 10.3788/IRLA201948.0818004
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Monolithic integration of a wavelength division multiplexer/demultiplexer and electro-absorption VOAs based on 3 μm-SOI
- 1.
Beijing Laboratory of Optical Fiber Sensing and System,Beijing Information Science & Technology University,Beijing 100016,China;
- 2.
State Key Laboratory on Integrated Optoelectronics,Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China;
- 3.
Center of Materials Science and Optoelectronics Engineering,University of Chinese Academy of Sciences,Beijing 100049,China
- Received Date: 2019-03-05
- Rev Recd Date:
2019-04-10
- Publish Date:
2019-08-25
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Abstract
Wavelength division multiplexers/demultiplexers and variable optical attenuators(VOAS) are key devices used in optical communication systems. In order to get their monolithic integrated chip with simple fabrication process and fast time response, and considering the possibility of it to integrate with other different optical devices, a 16-channel 200 GHz arrayed waveguide grating(AWG) multiplexer/demultiplexer was monolithically integrated with electro-absorption variable optical attenuators on a silicon-on-insulator (SOI) platform. The on-chip loss was less than 7 dB and the crosstalk was less than -22 dB. The power consumption of the electro-absorption VOA is 572.4 mW(106 mA, 5.4 V) at 20 dB attenuation. Besides, the device provides fast optical power attenuation, and in a 0-5 V square voltage, the rising/falling time of the VOA is 50.5 ns and 48 ns, respectively.
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