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Pulse generation and compression using an asymmetrical porous silicon-based Mach–Zehnder interferometer configuration

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Abstract

We propose an asymmetrical Mach–Zehnder interferometer (MZI) for efficient pulse generation and compression using porous silicon (PS) waveguide, fibre delay line and couplers. We show a pulse compression of about 0.4 ns at the output port with third-order super-Gaussian input pulse in ∼2 ns time duration and ∼40.3 W peak power level. Also, we show the possibility of obtaining compressed single- or double-pulse with judicious choice of various parameters like input peak power, delay time and input pulse width.

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Acknowledgements

The author acknowledges support from the National Natural Science Foundation of China (Grant No. 61205111). The authors would like to thank Prof. Amarendra K Sarma, Indian Institute of Technology Guwahati, for his suggestions to improve this paper and for useful discussions.

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Authors and Affiliations

  1. College of Physics and Electronic Engineering, Chongqing Normal University, Chongqing, 401331, People’s Republic of China

    SHU-WEN GUO & JIAN-WEI WU

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  1. SHU-WEN GUO
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  2. JIAN-WEI WU
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Correspondence to JIAN-WEI WU.

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GUO, SW., WU, JW. Pulse generation and compression using an asymmetrical porous silicon-based Mach–Zehnder interferometer configuration. Pramana - J Phys 87, 91 (2016). https://doi.org/10.1007/s12043-016-1301-z

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  • DOI: https://doi.org/10.1007/s12043-016-1301-z

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