摘要:
A fiber optic communication system includes a device of switching and setting wavelength of optical signals used in communication by network-node equipments, which sets the mapping of the wavelength of the optical signal used in communication by the network node equipments, and the input/output ports of an array waveguide grating (AWG), so as to construct a predetermined logical network topology by a plurality of network node equipments which are connected via optical fibers to the array waveguide grating that outputs optical signals inputted to optical input ports, to predetermined optical output ports in accordance with the wavelength thereof. As well as enabling a simple construction, it is easy to realize flexible network design, construction, and operation, and different network groups can also be easily connected to each other. Moreover, a fiber optic communication system having robust security and which can be stably operated even at the time of failure is realized at low cost.
摘要:
Systems and methods according to these exemplary embodiments provide for optical interconnection using a combination of an arrayed waveguide grating router (AWGr) and optical crossbar. Optical wavelengths can be flexibly routed from an input port to one or more output ports. Scaling of the system is easily accommodated.
摘要:
In the examples provided herein, a system has a plurality of arrayed waveguide gratings (AWG) having a plurality of input ports and a plurality of output ports. A signal within a given wavelength channel transmitted to one of the input ports of a given AWG is routed to one of the output ports of the given AWG based on a signal wavelength. The system also has a plurality of nodes, with each node comprising a set of components for each AWG that the node is coupled to. Each set of components comprises a plurality of optical transmitters, where each optical transmitter is tunable over multiple wavelength channels within a different wavelength band; a band multiplexer to multiplex the multiple wavelength channels within each different wavelength band; and a first output fiber to couple an output of the band multiplexer to one of the input ports of a first AWG.
摘要:
An assembly of waveguide wavelength multiplexers and demultiplexers, together with continuous wave (CW) laser transmitters that interface to grating couplers on a silicon photonics chip, providing CW sources, multiplexed output and optionally multiplexed input, all using a single photonic lightwave circuit (PLC).
摘要:
An assembly of waveguide wavelength multiplexers and demultiplexers, together with continuous wave (CW) laser transmitters that interface to grating couplers on a silicon photonics chip, providing CW sources, multiplexed output and optionally multiplexed input, all using a single photonic lightwave circuit (PLC).
摘要:
The present invention provides a data center network and a method for deploying the data center network. The data center network includes one core switch group, m cyclic arrayed waveguide grating CAWG groups, and m edge switch groups, where the core switch group includes k core switches; each CAWG group includes 2*Y N*N CAWGs, where the 2*Y CAWGs include Y uplink CAWGs and Y downlink CAWGs, the Y uplink CAWGs are connected to each core switch in the core switch group separately by using an optical uplink, and the Y downlink CAWGs are connected to each core switch in the core switch group separately by using an optical downlink; and each edge switch of an edge switch group is connected to an uplink CAWG and a downlink CAWG in a corresponding CAWG group separately. The present invention can reduce the number of optical fibers in a data center network.
摘要翻译:本发明提供一种用于部署数据中心网络的数据中心网络和方法。 数据中心网络包括一个核心交换机组,m个循环阵列波导光栅CAWG组和m个边缘交换机组,其中核心交换机组包括k个核心交换机; 每个CAWG组包括2 * YN * N个CAWG,其中2 * Y CAWG包括Y个上行链路CAWG和Y个下行链路CAWG,Y个上行链路CAWG通过使用光学上行链路分别连接到核心交换机组中的每个核心交换机,并且 Y下行链路CAWG通过使用光学下行链路分别连接到核心交换机组中的每个核心交换机; 并且边缘交换机组的每个边缘交换机分别连接到相应的CAWG组中的上行链路CAWG和下行链路CAWG。 本发明可以减少数据中心网络中的光纤数量。
摘要:
It is disclosed aremote node(102)connectable to multiple feeder fibers (116)from one or more central offices, COs, of awavelength division multiplexing-based passive optical network, WDM-based PON. The remote comprises one or more splitters (118) each configured to receive a monitoring signal on a connected feeder fiber and to split the received monitoring signal, wherein the monitoring signal uses one wavelength at a time out of a group of different wavelengths, andan arrayed waveguide grating, AWG, (114)with output ports connectable to drop fibers, wherein the AWG is configured to route the split monitoring signalsto output ports of said AWGbased on the currently used wavelength of said group of different wavelengths, for supervising drop fibersconnectedto the output ports. Also, amethod for a remote node (102) in the WDM-based PON, of routing a monitoring signal, is disclosed.