Experiments on using Spatial Light Modulators to realize optical CDMA network coder/decoders

Jen Fa Huang, Kai Sheng Chen, Ping En Chih, Chih Ta Yen

Research output: Contribution to conferencePaper

2 Citations (Scopus)

Abstract

We propose a new scheme in optical code-division multiple-access (OCDMA) system by using liquid crystal (LC) Spatial Light Modulators (SLMs) with programmable bipolar codes. The key to the system performance depends on constructing a decoder that implements a true bipolar correlation using only unipolar signals and intensity detection. In our optical access coding system, the power spectrum is coded with programmable LC-SLMs. The high polarization selectivity of these components coupled with the polarization rotation ability of liquid crystal elements makes access coding switching possible with high extinction ratio and low crosstalk.

Original languageEnglish
DOIs
Publication statusPublished - 2013 Jan 1
Event9th International Conference on Information, Communications and Signal Processing, ICICS 2013 - Tainan, Taiwan
Duration: 2013 Dec 102013 Dec 13

Other

Other9th International Conference on Information, Communications and Signal Processing, ICICS 2013
CountryTaiwan
CityTainan
Period13-12-1013-12-13

Fingerprint

Liquid crystals
Code division multiple access
Polarization
Experiments
Crosstalk
Power spectrum
Spatial light modulators

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Information Systems
  • Signal Processing

Cite this

Huang, J. F., Chen, K. S., Chih, P. E., & Yen, C. T. (2013). Experiments on using Spatial Light Modulators to realize optical CDMA network coder/decoders. Paper presented at 9th International Conference on Information, Communications and Signal Processing, ICICS 2013, Tainan, Taiwan. https://doi.org/10.1109/ICICS.2013.6782825
Huang, Jen Fa ; Chen, Kai Sheng ; Chih, Ping En ; Yen, Chih Ta. / Experiments on using Spatial Light Modulators to realize optical CDMA network coder/decoders. Paper presented at 9th International Conference on Information, Communications and Signal Processing, ICICS 2013, Tainan, Taiwan.
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Huang, JF, Chen, KS, Chih, PE & Yen, CT 2013, 'Experiments on using Spatial Light Modulators to realize optical CDMA network coder/decoders', Paper presented at 9th International Conference on Information, Communications and Signal Processing, ICICS 2013, Tainan, Taiwan, 13-12-10 - 13-12-13. https://doi.org/10.1109/ICICS.2013.6782825

Experiments on using Spatial Light Modulators to realize optical CDMA network coder/decoders. / Huang, Jen Fa; Chen, Kai Sheng; Chih, Ping En; Yen, Chih Ta.

2013. Paper presented at 9th International Conference on Information, Communications and Signal Processing, ICICS 2013, Tainan, Taiwan.

Research output: Contribution to conferencePaper

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AB - We propose a new scheme in optical code-division multiple-access (OCDMA) system by using liquid crystal (LC) Spatial Light Modulators (SLMs) with programmable bipolar codes. The key to the system performance depends on constructing a decoder that implements a true bipolar correlation using only unipolar signals and intensity detection. In our optical access coding system, the power spectrum is coded with programmable LC-SLMs. The high polarization selectivity of these components coupled with the polarization rotation ability of liquid crystal elements makes access coding switching possible with high extinction ratio and low crosstalk.

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Huang JF, Chen KS, Chih PE, Yen CT. Experiments on using Spatial Light Modulators to realize optical CDMA network coder/decoders. 2013. Paper presented at 9th International Conference on Information, Communications and Signal Processing, ICICS 2013, Tainan, Taiwan. https://doi.org/10.1109/ICICS.2013.6782825