SFW-D Dense Wavelength Division Multiplexer (DWDM)
SFW-D series dense wavelength division multiplexer and demultiplexer (DWDM) modules are reliable solutions to multiservice applications. They multiply the capacity of existing singlemode fibers, based on 100 or 200 GHz channel spacing. The SFW-D are available in a variety of packaging options for standard configurations of 4, 8, 16, 32 and 40 channels. Custom devices can be configured to meet customer demands concerning channel counts, wavelength plan and packaging requirements.
- Wide channel bandwidth
- High adjacent channel isolation
- Low polarization dependent loss and chromatic dispersion
- Customer solutions
Channel wavelength, nm |
ITU 100 GHz Grid |
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Channel spacing, GHz |
100 |
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Pass bandwidth (@ -0.5 dB), nm |
> 0.3 |
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Channel ripple, dB |
< 0.5 |
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Channel number |
4 |
8 |
16 |
32 |
40 |
Insertion Loss, dB (typ) |
1.6 |
2.6 |
3.8 |
4.8 |
5.2 |
Insertion Loss, dB (max) |
1.8 |
3.0 |
4.5 |
5.5 |
6.0 |
Channel uniformity, dB |
≤ 0.6 |
≤ 1.0 |
≤ 1.5 |
≤ 1.0 |
≤ 1.0 |
PDL, dB |
≤ 0.10 |
≤ 0.10 |
≤ 0.20 |
≤ 0.20 |
≤ 0.20 |
PMD, ps |
≤ 0.10 |
≤ 0.10 |
≤ 0.20 |
≤ 0.20 |
≤ 0.30 |
Isolation – adjacent channel, dB |
≥ 30 dB |
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Isolation – non adjacent channel, dB |
≥ 40 dB |
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Maximum optical power, mW |
≤ 300 |
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Return loss |
≥ 45 dB |
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Directivity |
≥ 50 dB |
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Operating temperature, °C |
-5 to +75 |
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Storage temperature, °C |
-40 to +85 |
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Reliability |
Telcordia GR-1209, GR-1221 |
Packaging variants:
SFW-D1-4M+4D-30-MCNP-NSC |
SFW-D1-4M-30-CAPM-NE2P |
Block diagram of typical applications:
- Metro and long haul mux/demux
- OADM network nodes
- Original equipment manufacturer (OEM) applications
SFW |
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DX-XX |
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XX |
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XXX |
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AAA |
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DX |
XX |
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Channel spacing |
Type |
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AAA – Input and output connectors |
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D1 |
100 GHz |
4M |
4 Channels mux |
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Standard connector types: |
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4D |
4 Channels demux |
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Code |
Description |
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6M |
6 Channels mux |
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UPC |
FC/UPC |
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On request: |
6D |
6 Channels demux |
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NPC |
FC/APC (2.05 standard) |
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D2 |
200 Ghz |
8M |
8 Channels mux |
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USC |
SC/USC |
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8D |
8 Channels demux |
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NSC |
SC/APC |
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AD |
Add/Drop |
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NE2S |
LSH (E2000)/APC standard |
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NE2P |
LSH (E2000)/APC premium |
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Number of first channel according to ITU Grid |
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ULC |
LC/UPC |
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Or on request |
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NLC |
LC/APC |
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Package version I (Basic type) |
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NC |
No connectors |
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FP4 |
0.9 mm fiber, ABS box 120x80x18 mm |
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Package version II (Optional) |
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Note: Standard fiber / Cable length = 1 m |
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CAPM |
OPTOKON cassette (up to 6 channels) |
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CAPD |
OPTOKON double cassette (8 channels) |
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XXX => |
Part number of relevant ODF (e.g. MCNP, TMVJ, MCPJ) |
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ITU Grid Channels (100 GHz Spacing)
Channel |
Frequency (THz) |
Wavelength (nm) |
Channel |
Frequency (THz) |
Wavelength (nm) |
Channel |
Frequency (THz) |
Wavelength (nm) |
1 |
190,100 |
1577.03 |
26 |
192,600 |
1556.55 |
51 |
195,100 |
1536.61 |
2 |
190,200 |
1576.20 |
27 |
192,700 |
1555.75 |
52 |
195,200 |
1535.82 |
3 |
190,300 |
1575.37 |
28 |
192,800 |
1554.94 |
53 |
195,300 |
1535.04 |
4 |
190,400 |
1574.54 |
29 |
192,900 |
1554.13 |
54 |
195,400 |
1534.25 |
5 |
190,500 |
1573.71 |
30 |
193,000 |
1553.33 |
55 |
195,500 |
1533.47 |
6 |
190,600 |
1572.89 |
31 |
193,100 |
1552.52 |
56 |
195,600 |
1532.68 |
7 |
190,700 |
1572.06 |
32 |
193,200 |
1551.72 |
57 |
195,700 |
1531.90 |
8 |
190,800 |
1571.24 |
33 |
193,300 |
1550.92 |
58 |
195,800 |
1531.12 |
9 |
190,900 |
1570.42 |
34 |
193,400 |
1550.12 |
59 |
195,900 |
1530.33 |
10 |
191,000 |
1569.59 |
35 |
193,500 |
1549.32 |
60 |
196,000 |
1529.55 |
11 |
191,100 |
1568.77 |
36 |
193,600 |
1548.51 |
61 |
196,100 |
1528.77 |
12 |
191,200 |
1567.95 |
37 |
193,700 |
1547.72 |
62 |
196,200 |
1527.99 |
13 |
191,300 |
1567.13 |
38 |
193,800 |
1546.92 |
63 |
196,300 |
1527.22 |
14 |
191,400 |
1566.31 |
39 |
193,900 |
1546.12 |
64 |
196,400 |
1526.44 |
15 |
191,500 |
1565.50 |
40 |
194,000 |
1545.32 |
65 |
196,500 |
1525.66 |
16 |
191,600 |
1564.68 |
41 |
194,100 |
1544.53 |
66 |
196,600 |
1524.89 |
17 |
191,700 |
1563.86 |
42 |
194,200 |
1543.73 |
67 |
196,700 |
1524.11 |
18 |
191,800 |
1563.05 |
43 |
194,300 |
1542.94 |
68 |
196,800 |
1523.34 |
19 |
191,900 |
1562.23 |
44 |
194,400 |
1542.14 |
69 |
196,900 |
1522.56 |
20 |
192,000 |
1561.42 |
45 |
194,500 |
1541.35 |
70 |
197,000 |
1521.79 |
21 |
192,100 |
1560.61 |
46 |
194,600 |
1540.56 |
71 |
197,100 |
1521.02 |
22 |
192,200 |
1559.79 |
47 |
194,700 |
1539.77 |
72 |
197,200 |
1520.25 |
23 |
192,300 |
1558.98 |
48 |
194,800 |
1538.98 |
73 |
197,300 |
1519.48 |
24 |
192,400 |
1558.17 |
49 |
194,900 |
1538.19 |
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25 |
192,500 |
1557.36 |
50 |
195,000 |
1537.40 |
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