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Programmable all-fiber structured waveshaper based on linearly chirped fiber Bragg grating and digital thermal controller

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Abstract

We proposed and experimentally demonstrated an all-fiber structured programmable optical bandpass filter (waveshaper) based on a linearly chirped fiber Bragg grating and a digital-controlled thermal array. The key parameters of this filter such as the number of transmission channels, passing bandwidth per channel, central wavelength as well as the channel spacing can be reconfigured independently and flexibly by a program-controlled circuit. We have achieved in experiments the tunable passing bandwidth ranging from < 0.04 to 1.55 nm, adjustable central wavelength ranging from 1,547.16 to 1,558.64 nm, and a minimum wavelength spacing of 0.91 nm. The insertion loss of the whole device and the sideband rejection ratio are about 1.76 and 28 dB, respectively.

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Acknowledgments

This work is supported by the National Natural Science Foundation of China (Grant No. 61107087) and the National High-tech R&D Program of China (863 Program) (Grant Nos. SS2012AA010407 and 2013AA010502).

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Authors and Affiliations

  1. National Engineering Laboratory for Next Generation Internet Access System (NGIA), School of Optical and Electronic Information and Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology, Wuhan, 430074, China

    Hailiang Zhang, Ming Tang, Yiwei Xie, Huiqi Liao, Songnian Fu, Perry Ping Shum & Deming Liu

  2. School of EEE, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore

    Perry Ping Shum

Authors
  1. Hailiang Zhang
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  2. Ming Tang
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  3. Yiwei Xie
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  4. Huiqi Liao
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  5. Songnian Fu
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  6. Perry Ping Shum
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  7. Deming Liu
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Correspondence to Ming Tang.

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Zhang, H., Tang, M., Xie, Y. et al. Programmable all-fiber structured waveshaper based on linearly chirped fiber Bragg grating and digital thermal controller. Appl. Phys. B 112, 479–484 (2013). https://doi.org/10.1007/s00340-013-5600-5

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  • DOI: https://doi.org/10.1007/s00340-013-5600-5

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