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Flexible Optical Code Label Generation and Processing Using LiNbO3 Modulators and Variable Bandwidth Spectrum Shaper.

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Titel: Flexible Optical Code Label Generation and Processing Using LiNbO3 Modulators and Variable Bandwidth Spectrum Shaper.
Autoren: Mieno, Mitsuko, Watanabe, Hiroki, Shinada, Satoshi, Wada, Naoya, Nakajima, Hirochika
Quelle: Journal of Lightwave Technology; Nov2012, Vol. 30 Issue 22, p3456-3462, 7p
Abstract: We proposed and demonstrated flexible optical code label generation and processing using LiNbO3 (LN) modulators and a variable-bandwidth spectrum shaper. First we used a transversal filter (TVF) as a decoder and performed a simulation of optical encoding and decoding to confirm basic code characteristics by taking into consideration the characteristics of O/E conversion and threshold processing. The experiments were performed using with 4 chip, 10 Gchip/s BPSK codes to verify the simulation results. We found that these codes had sufficient threshold margins for code discrimination in the simulation, and this result was in good agreement with experimental results. Then, to handle variable BPSK codes, we used LN modulators as an encoder and a TVF as a decoder. To handle more variable BPSK codes, we proposed and experimentally demonstrated optical code generation and processing using LN modulators and a variable-bandwidth spectrum shaper (VBS). This method is capable of flexible optical encoding and decoding and high-precision control in the spectral domain. We confirmed correct discrimination between matched and unmatched coded by threshold processing in a simulation and experiment using 8 chip, 20 Gchip/s codes. Finally, by encoding pulses in the Non-Return-to-Zero (NRZ) format, we increased the number of discriminable coded with 8 chip, 40 Gchip/s NRZ BPSK codes. [ABSTRACT FROM PUBLISHER]
Copyright of Journal of Lightwave Technology is the property of IEEE and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Flexible Optical Code Label Generation and Processing Using LiNbO3 Modulators and Variable Bandwidth Spectrum Shaper.
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  Data: <searchLink fieldCode="AR" term="%22Mieno%2C+Mitsuko%22">Mieno, Mitsuko</searchLink><br /><searchLink fieldCode="AR" term="%22Watanabe%2C+Hiroki%22">Watanabe, Hiroki</searchLink><br /><searchLink fieldCode="AR" term="%22Shinada%2C+Satoshi%22">Shinada, Satoshi</searchLink><br /><searchLink fieldCode="AR" term="%22Wada%2C+Naoya%22">Wada, Naoya</searchLink><br /><searchLink fieldCode="AR" term="%22Nakajima%2C+Hirochika%22">Nakajima, Hirochika</searchLink>
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  Data: Journal of Lightwave Technology; Nov2012, Vol. 30 Issue 22, p3456-3462, 7p
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: We proposed and demonstrated flexible optical code label generation and processing using LiNbO3 (LN) modulators and a variable-bandwidth spectrum shaper. First we used a transversal filter (TVF) as a decoder and performed a simulation of optical encoding and decoding to confirm basic code characteristics by taking into consideration the characteristics of O/E conversion and threshold processing. The experiments were performed using with 4 chip, 10 Gchip/s BPSK codes to verify the simulation results. We found that these codes had sufficient threshold margins for code discrimination in the simulation, and this result was in good agreement with experimental results. Then, to handle variable BPSK codes, we used LN modulators as an encoder and a TVF as a decoder. To handle more variable BPSK codes, we proposed and experimentally demonstrated optical code generation and processing using LN modulators and a variable-bandwidth spectrum shaper (VBS). This method is capable of flexible optical encoding and decoding and high-precision control in the spectral domain. We confirmed correct discrimination between matched and unmatched coded by threshold processing in a simulation and experiment using 8 chip, 20 Gchip/s codes. Finally, by encoding pulses in the Non-Return-to-Zero (NRZ) format, we increased the number of discriminable coded with 8 chip, 40 Gchip/s NRZ BPSK codes. [ABSTRACT FROM PUBLISHER]
– Name: Abstract
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Lightwave Technology is the property of IEEE and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1109/JLT.2012.2219292
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        Text: English
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      – TitleFull: Flexible Optical Code Label Generation and Processing Using LiNbO3 Modulators and Variable Bandwidth Spectrum Shaper.
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            NameFull: Mieno, Mitsuko
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            NameFull: Watanabe, Hiroki
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            NameFull: Shinada, Satoshi
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            NameFull: Wada, Naoya
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            NameFull: Nakajima, Hirochika
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              Text: Nov2012
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              Y: 2012
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