1754C C-Band DWDM DFB Laser Module
DATASHEET | DECEMBER 2013
FIBER OPTICS
RF Characteristic
Laser Temperature (TL) = 25oC, IF=IOP, Beginning of Life (BOL)
Parameter
Symbol
Condition
Min
Typ
Max
Units
79 NTSC, 3.3% OMI
1 m fiber min, 4.2 MHz NBW
Carrier-to-Noise Ratio (1)
CNR
52
-
-
dB
79 NTSC, 3.3% OMI
1 m fiber min
Composite Second-Order(1)
Composite Triple Beat(1)
CSO
CTB
-55
-64
dBm
dBc
79 NTSC, 3.3% OMI
1 m fiber min
-
-
40 MHz to 890 MHz
IF = 60 mA, TOP = 25C
-
1
dBp-p
Frequency Response Flatness
|S21|
5 MHz to 2700 MHz
IF = 60 mA, TOP = 25C
4
-
dBp-p
dB
RF Return Loss
resistive match 50 to 25 pad
5 MHz to 2700 MHz
IF = 60 mA, TOP = 25C
|S11|
CNR
16
51
-
-
Carrier-to-Noise Ratio(2)
-
dB
Channel Loading: Frequencies set
at 7, 13, 19, 25, 31, and 37 MHz
Receiver thermal noise 8 pA*Hz-0.5
Photodiode responsivity ~1.1 A/W
Noise Bandwidth 4.2 MHz
Composite Second-Order(2)
CSO
CTB
-
-
-
-
-50
-60
dBm
dBc
Composite Triple Beat(2)
(1). Broadband Forward Path
(2). Return Path. Guaranteed by design, not to test in production.
In order to prevent reflection-induced distortion, the laser must be connected to an optical cable having a return loss of at least 55 dB for discrete
reflections and 30 dB for distributed reflections.
ITU Grid Channel Numbering
Channel
Wavelength
(nm)
Channel
Wavelength
(nm)
Channel
Wavelength
(nm)
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
1526.44
1529.22
1527.99
1528.77
1529.55
1530.33
1531.12
1531.90
1532.68
1533.47
1534.25
1535.04
1535.82
1536.61
1537.40
1538.19
1538.98
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
1539.77
1540.56
1541.35
1542.14
1542.94
1543.73
1544.53
1545.32
1546.12
1546.92
1547.72
1548.51
1549.32
1550.12
1550.92
1551.72
1552.52
30
29
28
27
26
25
24
23
22
21
20
19
18
1553.33
1554.13
1554.94
1555.75
1556.56
1557.36
1558.17
1558.98
1559.79
1560.61
1561.42
1562.23
1563.05
|
REV 2013.12
Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.
EMCORE [ EMCORE CORPORATION ]
