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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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