OPTICS 2010 Abstracts


Full Papers
Paper Nr: 14
Title:

CONVERGED OPTICAL NETWORKS FOR VIDEO AND DATA DISTRIBUTION IN HOSPITALITY ENVIRONMENTS

Authors:

Iñigo Artundo, David García-Roger, Beatriz Ortega and Jose Capmany

Abstract: Current hospitality networks are already lagging behind in terms of broadband adoption and high-speed online offered services, and they might not be able to cope with the increasing bandwidth demands required to distribute high-definition video traffic. We propose the use of a converged optical network adapted to the specific needs of the hospitality environment, providing a low-cost and low-power solution based on a combination of silica and plastic optical fiber wiring, together with radio-over-fiber techniques for wireless access. We use detailed full-system simulations to analyze the validity of such infrastructure to provide a unified, pervasive and future-proof all-optical solution.

Short Papers
Paper Nr: 1
Title:

OPTICAL SECURE COMMUNICATION SYSTEM BASED ON CHAOS SYNCHRONIZATION

Authors:

Alexander N. Pisarchik and Flavio R. Ruiz-Oliveras

Abstract: We propose a secure optical communication system based on the principles of generalized and complete synchronization of chaotic oscillations. Both a transmitter and a receiver are composed by two chaotic externalcavity semiconductor lasers which are coupled in a master-slave configuration to provide generalized synchronization, while the master lasers in the transmitter and in the receiver are completely synchronized via an optical fiber. A message is added to the slave laser in the transmitter and sent to the receiver to be compared with the output of the receiver slave laser. The system is robust to a small mismatch of the laser parameters or of the coupling between the master and slave lasers, unavoidable in a real system, and can even enable a good communication up to a 5 Gb/s transmission rate using the chaos masking encryption, when the master lasers in the transmitter and in the receiver are coupled bidirectionally.

Paper Nr: 15
Title:

ON THE BER ESTIMATION OF EXPERIMENTAL DIRECT DETECTION OFDM SYSTEMS

Authors:

Tiago Alves and Adolfo Cartaxo

Abstract: We propose to extend the exhaustive Gaussian approach (EGA) to assess the bit error ratio (BER) of experimental direct detection optical orthogonal frequency division multiplexing setups. Excellent agreement between the actual probability density function (PDF) of each subcarrier and the Gaussian PDF estimated from a set of experimental runs is shown. The proposed EGA allows evaluate quickly the BER as only a few hundreds of runs are required to reach stabilized BER estimates. The BER estimated by EGA has shown an excellent agreement with the BER estimates provided by direct error counting.

Posters
Paper Nr: 8
Title:

3D OBJECT MEASUREMENT BY SHADOW MOIRÉ

Authors:

Yun-Long Lay, Hui-Jen Yang, Chern-Sheng Lin and Wei-Yu Chen

Abstract: In order to get the 3 dimensional data of an object, this research applied a shadow Moiré method to build an optical measurement system without touching the object to measure the contour for getting a 3D data. A digital camera was used to capture the Moiré images through an image processing to get the texture of each contour line. After calculated the texture of each contour line, the correspondence values are then filled. Each correspondence value will make smooth contour interpolation and then three-dimensional image of the object was plotted. This method for 3D measurement is simple and does not need an expensive measurement device to get precisely image information for a 3D rebuilt implementation.

Paper Nr: 18
Title:

LIGHTPATH SURVIVABILITY WITH QOT GUARANTEES - Key Issues in Wavelength-Routed Photonic Networks

Authors:

Luiz Gustavo Zuliani, Stefano Giordano, Michele Pagano and Davide Adami

Abstract: The Routing and Wavelength Assignment (RWA) problem has been extensively studied over the last decade, but only in recent years algorithms were specifically developed (or adapted) to consider transmission layer physical impairments in photonic (all-optical) networks, while providing lightpath survivability. This work discuss the last contributions in the field, and presents a new impairment-aware RWA algorithm for survivable photonic networks. As a work in progress, the new algorithm is presented with open design decisions.