A simply tunable optical CDMA encoder/decoder for two-dimensional cyclic permutable codes

We propose a simply tunable optical codec using a cyclic wavelength shifter, which can be applied for two-dimensional optical CDMA (O-CDMA) schemes. The cyclic wavelength shifter is based on dual-band holographic grating. By using this device, it is easy to implement various optical CDMA codecs util...

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Bibliographic Details
Main Authors: Seunghwan Chung, Chung-Keun Lee, Youngmin Kim, Yongjun Lim, Seung-Woo Seo, Byoungho Lee
Format: Conference Proceeding
Language:English
Subjects:
Arrayed waveguide gratings
Codecs
Decoding
Dual band
Fiber gratings
Holographic optical components
Holography
Multiaccess communication
Optical devices
Optical fiber devices
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Summary:We propose a simply tunable optical codec using a cyclic wavelength shifter, which can be applied for two-dimensional optical CDMA (O-CDMA) schemes. The cyclic wavelength shifter is based on dual-band holographic grating. By using this device, it is easy to implement various optical CDMA codecs utilizing constant-weight cyclic-permutable codes. In this paper, the basic principle and the feasibility of the proposed device is demonstrated experimentally.
DOI:10.1109/OFC.2006.215545