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Entries in broadcast-and-select (2)

Saturday
Dec082018

Relentless traffic growth leads to a ROADM rethink

Technology briefing: ROADMs

Lumentum has developed an optical switch to enable reconfigurable optical add-drop multiplexers (ROADMs) to cope with the traffic growth expected over the next decade. 

The company’s MxN wavelength-selective switch (WSS) will replace the existing multicast switch used in colourless, directionless and contentionless ROADMs. The Lumentum TrueFlex 8x24 twin switch will enable networking nodes of 400-terabit capacity.

“This second-generation switch is what will take us into the 100 gigabaud and super-channel era of network scalability,” says Brandon Collings, CTO of Lumentum.

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Wednesday
Apr242013

ROADMs and their evolving amplification needs 

Technology briefing: ROADMs and amplifiers

Oclaro announced an add/drop routing platform at the recent OFC/NFOEC show. The company explains how the platform is driving new arrayed amplifier and pumping requirements.  


A ROADM comprising amplification, line-interfaces, add/ drop routing and transponders. Source: Oclaro

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