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All optical 2-bit analog to digital converter using photonic crystal based cavities

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Abstract

A novel design for realizing all optical analog to digital converter will be proposed in this paper. The proposed structure consists of two main parts; a nonlinear 3-channel demultiplexer, followed by an optical coder. The nonlinear demultiplexer will be used to quantize the input analog signal according to its optical intensity and the coder will convert the quantized levels into 2-bit binary codes. The nonlinear demultiplexer will be realized using three nonlinear resonant cavities. At appropriate values of input signal optical intensity one of the cavities can drop the optical beam to its corresponding output port. The proposed structure is capable of supporting maximum sampling rate up to 52 GS/s and total footprint of the structure is about 924 µm2.

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Authors and Affiliations

  1. Department of ٍElectrical Engineering, Shahid Chamran University of Ahvaz, Ahvaz, Iran

    Farhad Mehdizadeh, Mohammad Soroosh & Ebrahim Farshidi

  2. Department of Electronics, Tabriz Branch, Islamic Azad University, Tabriz, Iran

    Hamed Alipour-Banaei

Authors
  1. Farhad Mehdizadeh
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  2. Mohammad Soroosh
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  3. Hamed Alipour-Banaei
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  4. Ebrahim Farshidi
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Corresponding author

Correspondence to Mohammad Soroosh.

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Mehdizadeh, F., Soroosh, M., Alipour-Banaei, H. et al. All optical 2-bit analog to digital converter using photonic crystal based cavities. Opt Quant Electron 49, 38 (2017). https://doi.org/10.1007/s11082-016-0880-8

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