On realizing bipolar optical access codecs with Walsh-coded liquid crystal modulators

Chih Ta Yen, Jen-Fa Huan, Ping En Chih

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A realization technique of optical CDMA spectral-coding with bipolar Walsh codes based on SLM codecs was proposed and experimentally demonstrated. The proposal utilizes the phase delay characteristics of SLM to construct our SLM encoder/decoder. The spectral decoder verified the correlations of the Walsh codes and showed that binary data could be recovered by correlation detection. This paper also demonstrated that the system rejects multiple-access interference.

Original languageEnglish
Title of host publicationTechnical Digest of the 18th Microoptics Conference, MOC 2013
Publication statusPublished - 2013
Event2013 18th Microoptics Conference, MOC 2013 - Tokyo, Japan
Duration: 2013 Oct 272013 Oct 30

Other

Other2013 18th Microoptics Conference, MOC 2013
CountryJapan
CityTokyo
Period13-10-2713-10-30

Fingerprint

Liquid Crystals
Multiple access interference
Liquid crystals
Code division multiple access
Modulators

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials

Cite this

Yen, C. T., Huan, J-F., & Chih, P. E. (2013). On realizing bipolar optical access codecs with Walsh-coded liquid crystal modulators. In Technical Digest of the 18th Microoptics Conference, MOC 2013 [6715119]
Yen, Chih Ta ; Huan, Jen-Fa ; Chih, Ping En. / On realizing bipolar optical access codecs with Walsh-coded liquid crystal modulators. Technical Digest of the 18th Microoptics Conference, MOC 2013. 2013.
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Yen, CT, Huan, J-F & Chih, PE 2013, On realizing bipolar optical access codecs with Walsh-coded liquid crystal modulators. in Technical Digest of the 18th Microoptics Conference, MOC 2013., 6715119, 2013 18th Microoptics Conference, MOC 2013, Tokyo, Japan, 13-10-27.

On realizing bipolar optical access codecs with Walsh-coded liquid crystal modulators. / Yen, Chih Ta; Huan, Jen-Fa; Chih, Ping En.

Technical Digest of the 18th Microoptics Conference, MOC 2013. 2013. 6715119.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AU - Huan, Jen-Fa

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AB - A realization technique of optical CDMA spectral-coding with bipolar Walsh codes based on SLM codecs was proposed and experimentally demonstrated. The proposal utilizes the phase delay characteristics of SLM to construct our SLM encoder/decoder. The spectral decoder verified the correlations of the Walsh codes and showed that binary data could be recovered by correlation detection. This paper also demonstrated that the system rejects multiple-access interference.

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Yen CT, Huan J-F, Chih PE. On realizing bipolar optical access codecs with Walsh-coded liquid crystal modulators. In Technical Digest of the 18th Microoptics Conference, MOC 2013. 2013. 6715119