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We employ phase switching of either main-carrier or subcarriers of two consecutive signal blocks for double-sideband fading-free direct-detection (DD). In so doing, 40-Gb/s DDOOFDM is successfully rec...
Owing to the presence of out-of-focus recording layers in volumetric optical disks, laser energy is decreased in reading/writing the targeted active layer. A non-linear optical material as an optical ...
Future packet transport networks need to cope with rapidly growing Internet traffic.Hybrid architecture approaches combining limited electronic with massive optical switching can help to overcome the ...
Despite twenty years of research, optical packet switching (OPS) struggles to find practical application. We analyze the capabilities and limitations of OPS, and conclude that OPS offers little compar...
We demonstrate how to realize 400 Gb/s optical packet switching for the first time. The key functions of optical packet generation, label separation, colorless O-OFDM payload detection and wavelength ...
Optical routing technologies will surely be the key to creating future bandwidth abundant and green networks. Considering future services and the need to create virtual fiber networks, the introductio...
10-Gbit/s 8-WDM packet-switching was demonstrated. The optical labels were separated/recognized at the same time by using FBG based optical code processor. Under 10 -9 as BER of received payloads at t...
A fast and easy to implement index-based parallel burst scheduler for OBS network is proposed. A 16-channel scheduler with scheduling time of 33.3ns per burst request is demonstrated in FPGA.
Output polarization is controlled by injecting current along crystalline directions. VCSELs with record-low threshold current of 0.19 mA and extinction ratio >21dB from fit is achieved. Polarization s...
We show that coherent control can enhance the peak pulse energy coupled into a photonic crystal PC resonator system. We then demonstrate two applications of this coherent control technique in a bistab...
Optical Flow Switching     Optical Flow Switching       2015/6/10
Present-day networks are being challenged by dramatic increases in bandwidth demand of emerging applications. We will explore a new transport, ”optical flow switching”, that will enable significant gr...
Using newly developed PLZT-based OBS core node, low-loss Ether-frame transmission with application-layer connectivity is demonstrated over 92-km 2-hop field testbed. Recent progresses in developing OP...
Alternative homing architectures can lead to significant cost reductions. Using linear programming we quantify these reductions for IPoWDM and IPoOTN networks under a multi-layer consideration for a r...
We propose a scalable optical switching architecture towards contention-free interconnection for data center networks. The simulations show it can support higher load and throughput with significantly...
This work proposes an adaptive routing scheme based on ant optimization techniques and novel graph-based waveband assignment algorithm to accommodate and group online lightpath requests while minimizi...

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