A novel coherent optical en/decoder for optical label processing of OCDM-based optical packets switching networks

Chongfu Zhang; Kun Qiu

doi:10.1117/12.742390

19 November 2007 A novel coherent optical en/decoder for optical label processing of OCDM-based optical packets switching networks

Chongfu Zhang, Kun Qiu

Author Affiliations +

Proceedings Volume 6783, Optical Transmission, Switching, and Subsystems V; 678337 (2007) https://doi.org/10.1117/12.742390
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China

Abstract

A coherent optical en/decoder based on photonic crystal (PhC) for optical code-division-multiple (OCDM)-based optical label (OCDM-OL) optical packets switching (OPS) networks is proposed in this paper. In this scheme, the optical pulse phase and time delay can be flexibly controlled by the photonic crystal phase shifter and delayer using the appropriate design of fabrication. In this design, the combination calculation of the impurity and normal period layers is applied, according to the PhC transmission matrix theorem. The design and theoretical analysis of the PhC-based optical coherent en/decoder is mainly focused. In addition, the performances of the PhC-based optical en/decoders are analyzed in detail. The reflection, the transmission, delay characteristic and the optical spectrum of pulse en/decoded are studied for the waves tuned in the photonic band-gap by the numerical calculation, taking into account 1-Dimension (1D) PhC. Theoretical analysis and numerical results show that optical pulse is achieved to properly phase modulation and time delay by the proposed scheme, optical label based on OCDM is rewrote successfully by new code for OCDM-based OPS (OCDM-OPS), and an over 8.5 dB ration of auto- and cross-correlation is gained, which demonstrates the applicability of true pulse phase modulation in a number of applications.

Citation Download Citation

Chongfu Zhang and Kun Qiu "A novel coherent optical en/decoder for optical label processing of OCDM-based optical packets switching networks", Proc. SPIE 6783, Optical Transmission, Switching, and Subsystems V, 678337 (19 November 2007); https://doi.org/10.1117/12.742390

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