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On-chip optical pulse shaper for arbitrary waveform generation |
Liao Sha-Sha (廖莎莎), Yang Ting (杨婷), Dong Jian-Ji (董建绩) |
Wuhan National Laboratory for Optoelectronics, School of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China |
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Abstract We propose and demonstrate a silicon-on-insulator (SOI) on-chip optical pulse shaper based on four-tap finite impulse response. Due to different width designs in phase region of each tap, the phase differences for all taps are controlled by an external thermal source, resulting in an optical pulse shaper. We further demonstrate optical arbitrary waveform generation based on the optical pulse shaper assisted by an optical frequency comb injection. Four different optical waveforms are generated when setting the central wavelengths at 1533.78 nm and 1547.1 nm and setting the thermal source temperatures at 23 ℃ and 33 ℃, respectively. Our scheme has distinct advantages of compactness, capability for integrating with electronics since the integrated silicon waveguide is employed.
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Received: 15 November 2013
Revised: 06 January 2014
Accepted manuscript online:
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PACS:
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32.30.Bv
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(Radio-frequency, microwave, and infrared spectra)
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42.79.Gn
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(Optical waveguides and couplers)
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42.79.Sz
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(Optical communication systems, multiplexers, and demultiplexers?)
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Fund: Project supported by the National Basic Research Program of China (Grant No. 2011CB301704), the Program for New Century Excellent Talents in Ministry of Education of China (Grant No. NCET-11-0168), the Foundation for the Author of National Excellent Doctoral Dissertation of China (Grant No. 201139), and the National Natural Science Foundation of China (Grant Nos. 60901006 and 11174096). |
Corresponding Authors:
Dong Jian-Ji
E-mail: jjdong@mail.hust.edu.cn
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About author: 32.30.Bv; 42.79.Gn; 42.79.Sz |
Cite this article:
Liao Sha-Sha (廖莎莎), Yang Ting (杨婷), Dong Jian-Ji (董建绩) On-chip optical pulse shaper for arbitrary waveform generation 2014 Chin. Phys. B 23 073201
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