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Ultrashort optical pulse shaper based on complex-modulated long-period-grating coupler |
| Dong Xiao-Wei (董小伟), Liu Wen-Kai (刘文楷) |
| College of Information Engineering, North China University of Technology, Beijing 100144, China |
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Abstract In this paper, we present a novel ultrashort pulse shaper based on complex-modulated long-period-grating coupler (CM-LPGC). Temporal rectangular waveform with 2-ps full width at half maximum (FWHM) is obtained by transforming the input Gaussian pulse. Tolerances of the CM-LPGC-based shaper to various non-ideal excitation conditions and fabricating errors are investigated. Results confirm that CM-LPGC is stable and suitable for optical pulse shaping operation.
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Received: 23 April 2012
Revised: 29 June 2012
Accepted manuscript online:
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PACS:
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42.65.Re
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(Ultrafast processes; optical pulse generation and pulse compression)
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42.79.Dj
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(Gratings)
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42.83.Et
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 61007007 and 61101110); and the Foundation of Beijing Municipal Committee of CPC Organization Department (Grant No.2012D005002000001). |
Corresponding Authors:
Dong Xiao-Wei
E-mail: way7803@163.com
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Cite this article:
Dong Xiao-Wei (董小伟), Liu Wen-Kai (刘文楷) Ultrashort optical pulse shaper based on complex-modulated long-period-grating coupler 2013 Chin. Phys. B 22 024210
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