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Contents:
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Download PDF of Data Sheet
Read articles about the WaveMetro.
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Features & Benefits
Very low insertion loss
Flexible channel plan
TelcordiaTM reliability
Extended link lengths
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Applications
Narrow WDM Metro and Access systems
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Product Capabilities and Value
E-commerce and new Internet-based multimedia are creating a need for more bandwidth, not just in the long-haul backbone, but also in the metro and access networks. These new systems need more than two channels used in original coarse-WDM designs (1310 and 1550 nm), but do not need the dense channel spacings of newer DWDM systems. In the metro environment, WDM systems must also compete with other bandwidth solutions such as deploying new fiber or increasing bit-rates. Amplifiers are avoided whenever possible to reduce the cost, placing a premium on component insertion loss in addition to component cost.
The WaveMetro is a low-loss, economical alternative to thin-film filters for use in narrow-WDM metro systems. The Fused Cascaded Fiber (FCF) approach offers an intrinsically low loss design while allowing multiple wavelengths to be combined or filtered. The WaveMetro is available with a choice of channel spacings and wavelength range, giving you flexibility in your design for a metro WDM system.
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Figure 1: Specifications
Performance Specifications for WaveMetro Narrow WDM¹-³
| Parameters |
Multiplexer |
| Available Channel Wavelength Range4 (nm) |
1500 to 1610 |
| Available Channel Spacing 5 |
6 |
10 |
20 |
| Available Number of Channels5 |
2 |
4 |
2 |
4 |
2 |
4 |
| Effective Passband Window (nm) |
+ 0.6 |
+ 1.0 |
+ 2.0 |
| Insertion Loss (dB) |
< 0.6 |
< 1.0 |
< 0.5 |
< 0.9 |
< 0.4 |
< 0.8 |
| Crosstalk (dB) |
> 10 |
> 11 |
> 12 |
> 13 |
> 13 |
> 14 |
| PDL6 (dB) |
< 0.1 |
| Typical Thermal Wavelength Drift (pm/°C) |
5 to 7 |
| Operating Temperature (°C) |
-20 to 70 |
| Storage Temperature (°C) |
-40 to 85 |
| Fiber Type |
SMF 28 |
| Optical Power (W) |
> 5 |
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Figure 2: Spectral Performance
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Figure 3: Spectral Performance
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