Draka Comteq Presents: The MaxCap multimode Fibre for 10 Gb/s Applications

Draka Comteq Presents: The MaxCap multimode Fibre for 10 Gb/s Applications

2 Results Conclusions

3 Why new standard? Increasing bandwidth demands drive need for low-cost, short-distance 10 Gb/s connections in: LAN building backbones Storage Area Networks (SAN) Telecom Central Office interconnects

Fiber capacity evolution 10000 1000 1 Tb/s 128*40 Gb/s 40*10 Gb/s Fibre Capacity [Gb/s] 100 10 1 0,1 80*2.5 Gb/s 16*2.5 Gb/s 8*2.5 Gb/s 10 GbE Gigabit Ethernet Fast Ethernet 0,01 1980 1985 1990 1995 2000 2005 4 Telecom: Single Channel WDM (n-channels) Year Datacom: IEEE Ethernet

IEEE 802.3ae 10 GbE (2000-2002) 4 PMD (Physical Medium Dependent) interfaces: 1550 nm Serial SM (40 km) 1310 nm Serial SM (10 km) 1310 nm WWDM MM (300 m) SM (10 km) 850 nm Serial MM 62.5 um legacy: 26 / 33 m MM 50 um legacy: 66 / 82 m 850 nm Serial MM 50 um NextGen: 300 m Most cost efficient solution! 5

6 LAN Applications

System upgrade cost 1-GbE Riser + Upgrade Riser to 10-GbE 1,8 1,6 1,4 1,2 1 0,8 0,6 10G SX 10G LX 10G LX 10G LX WWDM 10G Electronics Upgrade Cabling 1G Electronics Initial Cabling 0,4 0,2 SX SX LX SX 0 O M-3 MM MM to SM SM MM+WWDM 7 Ref.: Kolosar, IEEE 802.3ae, Int. meeting Ottawa, May, 2000.

Requirements source / fiber IEEE 802.3ae: Defined Effective Modal Bandwidth (EMB): 2000 MHz.km @ 850nm TIA FO 2.2.1: Source: Encircled flux specification Fiber: DMD specification 8

Requirements source / fiber Source: Encircled Flux spec. @ 850 nm: * At 19 µm radius: 86% (not too large) * At 4.5 µm radius: 30% (not too small) Multimode fibre: DMD spec. @ 850 nm: * 6 different templates (trade-off in fibre) * OFL bandwidth: 1500 / 500 MHz.km (No RML bandwidth defined) 9

Encircled Flux LED 50 100 150 200 1 0.9 0.8 0.7 0.6 intensity flux encircled flux Intensity 250 300 350 400 450 50 100 150 200 250 300 350 400 450 500 0.5 0.4 0.3 0.2 0.1 0 0 5 10 15 20 25 30 35 40 Radius µm] [ Annular Flux Encircled Flux 50 100 150 200 250 VCSEL 1 0.9 0.8 0.7 0.6 0.5 intensity Intensity flux encircled flux Annular Flux 300 350 400 0.4 0.3 0.2 Encircled Flux 450 0.1 10 50 100 150 200 250 300 350 400 450 500 0 0 5 10 15 20 25 30 35 40 Radius µm] [

DMD measurement Fibre DMD measurement result 0.33 Cladding 11 50 µm core = Measurement laser spot 0 10 radius [µm] 20 0.25 0.0 0.5 1.0 time [ps/m]

12 Six floating DMD templates Maximum DMD at 850 nm [ps/m] Template Inner Mask Outer Mask (Radius 5 to 18 µm) (Radius 0 to 23 µm) 1 0.33 0.33 2 0.27 0.35 3 0.26 0.40 4 0.25 0.50 5 0.24 0.60 6 0.23 0.70 Meeting at least one template is sufficient

Examples of templates 13 Radius [um] 25 23 18 5 0 Template 1 Template 3 Template 6 Outer Inner 0.33 Outer 0.33 0.26 0,40 0,23 Maximum DMD [ps/m] Inner mask floats inside outer mask 0.70

Fiber profile design 850nm optim. MaxCap alpha = 2,04 1300nm optim. HiCap alpha = 1,94 Delta Alpha < 2,0 Alpha = 2,0 Alpha > 2,0 Modal bandwidth (relative units) 14 Radius 0.5 0.7 0.9 1.1 1.3 1.5 1.7 Wavelength (µm)

15 Draka Comteq Solution Draka Fibre Technology / Draka Comteq supports 10 Gb/s MMF applications with: MaxCap multimode fibre

16 MaxCap MMF Performance Two quality classes: MaxCap 300 MaxCap 150 10GBASE-SX: 300 metres 150 metres EMB 850 nm: 2000 MHz.km 950 MHz.km OFL BW 850nm: 1500 MHz.km 700 MHz.km OFL BW1300 nm: 500 MHz.km 500 MHz.km compatibility to legacy applications

17 MaxCap MMF Performance Standardisation: The MaxCap 300 MMF complies with: TIA/EIA-492AAAC Fibre Specification ISO/IEC 11801: type OM-3

18 MaxCap MMF Performance MaxCap MaxCap 850 nm (SX): 300 150 10GBASE-SX 10 Gb/s 300 m 150 m 10G-SX4 3,125 Gb/s 550 m 450 m 1000GBASE-SX 1 Gb/s 900 m 800 m LEDs 100 Mb/s 300 m 300 m 1300 nm (LX): 10GBASE-LX4 3,125 Gb/s 300 m 300 m 1000BASE-LX 1 Gb/s 550 m 550 m LEDs 100 Mb/s 2000 m 2000 m

19 System tested:

20 Way beyond specification: IBM test: 15.6 20 Gb/s over 1 km Paper: ECOC A dam September 2001

MaxCap MMF supports cost efficient 10GbE serial @850 nm in 2 quality classes: 300 m and 150 m MaxCap MMF complies with TIA 492-AAAC and IEC/ISO OM-3 21 MaxCap MMF offers backwards compatibility from 10 Mb/s to 10 Gb/s over 300 m

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