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Novel Hierarchical Optical Cross-Connect Architecture Utilizing Dedicated Add/Drop Switches that Effectively Offer Colorless and Directionless Capability
Optical communications Switching circuit
2015/5/22
Hierarchical optical cross-connect architectures based on dedicated add/drop switches for terminating traffic is proposed. The architecture can significantly reduce switch scale for implementing color...
640Gbit/s Reconfigurable OTDM Add-Drop Multiplexer
640Gbit/s Reconfigurable OTDM Add-Drop Multiplexer
2015/5/20
A 640Gbit/s reconfigurable OTDM add/drop multiplexer is demonstrated, using a single periodically-poled Lithium-Niobate waveguide in a counter-propagating configuration.Error free operations confirm t...
Optical Network Design Algorithms that Consider Optical Path Add/Drop Ratio Restrictions for OXC Hardware Scale Reduction
Optical Network Design Algorithms Hardware Scale Add/Drop Ratio
2015/5/18
We develop network design algorithms that consider constraints on the number of added/dropped optical paths at nodes in terms of wavelength and of fiber. The strategy is demonstrated to significantly ...
Compact 4x4 Optical Cross-connect with Add/Drop Ports using PLC Technology
Compact 4x4 Optical Cross-connect Add/Drop Ports PLC Technology
2015/5/18
Compact and practical 4-degree optical cross-connect equipment with add/drop ports is realized for use in connecting ROADM ring networks. Eight 40-channel AWGs and forty 4x4 matrix switches are integr...
Sub-wavelength add/drop multiplexers are pragmatic and efficient systems that could drive the next generation of networks. In this paper we will discuss on the potential of this new technology and on ...
FWM-based All-Optical Phase Drop for Format Conversion from 320-Gb/s RZ-DQPSK to 160-Gb/s RZ-DPSK
Phase Drop Format Conversion RZ-DQPSK RZ-DPSK
2015/7/20
We experimentally demonstrated format conversion from 320-Gb/s RZ-DQPSK to 160-Gb/s RZ-DPSK through the proposed all-optical phase drop scheme. It can be applied to drop a binary tributary from a mult...
Add/drop multiplexing and TDM signal transmission in an optical CDMA ring network
Add/drop multiplexing TDM signal transmission optical CDMA ring network
2016/12/2
It is shown that a ring topology is better than a star topology for an optical-code-division multiple access (OCDMA) network as an optical metropolitan or local area network in terms of security and c...
We investigate general channel drop tunneling processes using both analytic theory and first-principles simulations. These tunneling processes occur when two one-dimensional continuums are broug...
We present a general analysis of the tunneling process through localized resonant states between onedimensional continuums. We show that complete transfer can occur between the continuums by creating ...
Channel drop filters in photonic crystals
Couplers switches multiplexers Microstructure devices
2015/8/12
We present a general analysis of channel drop filter structures composed of two waveguides and an optical resonator system. We show that 100% transfer between the two waveguides can occur by creating ...