DWDM C-Band and L-Band channels

In my continuing series on DWDM, we are talking about commonly accepted channels in DWDM C-Band and L-Band. In previous posts, I talked about what DWDM is and wavelengths.

The chart below showcases the DWDM channel numbers and their respective wavelengths within the C-band, enabling multiplexing and high-capacity data transmission across these frequencies within the optical spectrum.

DWDM Channel	Wavelength (nm)
17	1530.33
18	1531.12
19	1531.90
20	1532.68
21	1533.47
22	1534.25
23	1535.04
24	1535.82
25	1536.61
26	1537.40
27	1538.19
28	1538.98
29	1539.77
30	1540.56
31	1541.35
32	1542.14
33	1542.94
34	1543.73
35	1544.53
36	1545.32
37	1546.12
38	1546.92
39	1547.72
40	1548.51
41	1549.32
42	1550.12
43	1550.92
44	1551.72
45	1552.52
46	1553.33
47	1554.13
48	1554.94
49	1555.75
50	1556.55
51	1557.36
52	1558.17
53	1558.98
54	1559.79
55	1560.61
56	1561.42
57	1562.23
58	1563.05
59	1563.86
60	1564.67

The following DWDM channels within the L-band offer an extended range of wavelengths, providing additional capacity and flexibility in optical networks for high-speed data transmission.

DWDM Channel	Wavelength (nm)
61	1565.42
62	1566.12
63	1566.82
64	1567.53
65	1568.23
66	1568.98
67	1569.69
68	1570.42
69	1571.12
70	1571.83
71	1572.53
72	1573.23
73	1573.95
74	1574.66
75	1575.36
76	1576.09
77	1576.79
78	1577.51
79	1578.22
80	1578.93
81	1579.64
82	1580.35
83	1581.06
84	1581.77
85	1582.48
86	1583.20
87	1583.92
88	1584.63
89	1585.35
90	1586.07
91	1586.79
92	1587.51
93	1588.23
94	1588.95
95	1589.77
96	1590.50
97	1591.22
98	1591.95
99	1592.68
100	1593.40
101	1594.12
102	1594.85
103	1595.58
104	1596.31
105	1597.05
106	1597.78
107	1598.51
108	1599.25
109	1599.98
110	1600.72
111	1601.45
112	1602.19
113	1602.93
114	1603.67
115	1604.41
116	1605.15
117	1605.89
118	1606.64
119	1607.38
120	1608.12
121	1608.87
122	1609.62
123	1610.37
124	1611.12
125	1611.88
126	1612.63
127	1613.38
128	1614.14
129	1614.90
130	1615.65
131	1616.41
132	1617.17
133	1617.93
134	1618.69
135	1619.45
136	1620.22
137	1620.98
138	1621.74
139	1622.50
140	1623.26
141	1624.03
142	1624.79
143	1625.55

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