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![Brownfield vs Greenfield 40G/100G Deployments: Making the Right Choice](/contentassets/cedb2ce04ece4222aad1f8814ded1004/brown-greenfield.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
Brownfield vs Greenfield 40G/100G Deployments: Making the Right Choice
By Jean-Sébastien Tassé
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![Stay ahead of the pack: Get the latest coverage on high-speed technology](/contentassets/e8f6afb4e71c4c77955cf9560617f9e4/ahead-pack-banner.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
Stay ahead of the pack: Get the latest coverage on high-speed technology
By Marie-Anne Grondin
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![400G Technologies: New challenges that lie ahead](/contentassets/5e0aabc5902a4ec1806047679080ee5d/challenges-header.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
400G Technologies: New challenges that lie ahead
By François Robitaille
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![Troubleshooting a 40G DWDM Circuit, Step by Step](/contentassets/4e24f2da60d54711853158ade16ec9a9/header-week-blog.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
Troubleshooting a 40G DWDM Circuit, Step by Step
By Aaron Deragon
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![Introducing the new, breakthrough Pol-Mux OSA for coherent systems](/contentassets/4ae2f5866780473aaa46a0d186dcec4d/1t33tl4x.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
Introducing the new, breakthrough Pol-Mux OSA for coherent systems
By Marie-Anne Grondin
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![PMD invulnerability](/contentassets/10015a237b91429688413f85ce6dd29e/header-pmd-invulnerability.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
PMD invulnerability
By Francis Audet
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![Overlaying denser technologies... A handy overview and guide](/contentassets/8edd0cb280284bd3bc4e84e732a1d0fc/header-overlaying-denser.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
Overlaying denser technologies... A handy overview and guide
By Francis Audet
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![Full Speed Ahead for OTN](/contentassets/2cddb699e43c443abc8c7369653c89bf/header-otn-fastest.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
Full Speed Ahead for OTN
By Jean-Marie Vilain
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![Are You Ready for the 400G Ride?](/contentassets/213ffed494894f829b1bfce269ab25ef/header-manege.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
Are You Ready for the 400G Ride?
By Marie-Anne Grondin
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![EXFO Supports Infinera and DANTE’s Guinness World Record Achievement](/contentassets/528c964cc4c4446eb95a8724be3787c0/header-dante2.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
EXFO Supports Infinera and DANTE’s Guinness World Record Achievement
By Marie-Anne Grondin
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