1792 ECCW
Narrow Linewidth CW External Cavity Laser Diode
Analog Lasers & Photodiodes
BROADBAND
The 1792 ECCW series external cavity laser is a cost effective
solution for a coherent laser source. The laser is fabricated in a
14-pin hermetically sealed butterfly package that incorporates
a bias tee circuit, an integrated thermoelectric cooler (TEC), a
thermistor, and a back facet monitor photodiode. The 1792
ECCW provides substantially lower phase noise and a longer
coherence length than other semiconductor lasers, including
DFB lasers. The wavelength stability is assured by design, eliminating the need
for wavelength lockers and complex feedback control circuits.
Features
Narrow linewidth, < 10 kHz available
ITU wavelengths across the C-band
100 GHz channel spacing
10 mW minimum output power
Industry standard, high reliability, hermetic
14-pin butterfly package
Excellent long-term wavelength stability
eliminates the need for a wavelength locker
Back-facet monitor
Designed to meet Telcordia GR-468
qualification standard
RoHS Compliant
SMF
PMF
Performance Highlights
Pigtail Type
Optical Power
Minimum (mW)
15
10
15
See following pages for complete specifications and conditions.
Typical (mW)
20
12
20
Linewidth
KHz
50
50
50
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are abso-
lute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess
of those given in the operational sections of the data sheet. Exposure to absolute maximum ratings for extended
periods can adversely affect device reliability.
Parameter
Storage Temperature
Symbol
T
STG
T
OP
I
OP
V
R
I
MPD,F
V
MPD,R
I
TEC
V
TEC
R
F
t
SOLID
Condition
Non-operating
continuous
CW
continuous
continuous
continuous
-
continuous
continuous
continuous
<260 ˚C
-
X
OP
X
OP
continuous
continuous
Min
-40
-20
-
-
-
-
-
-
35
-
-
-
5
5
Max
85
75
300
2
2
10
1.8
3.5
-
5
10
0.12
95
95
Units
˚C
˚C
mA
V
mA
V
A
V
mm
N
sec
m*N
%
%
Applications
Seismic sensor applications
Interferometry
Spectroscopy
Lidar
Optical test and instrumentation
Microwave photonics
Operating Case Temperature
Forward Current
Reverse Voltage
Photodiode Forward Current
Photodiode Reverse Voltage
TEC Current
2
TEC Voltage
Fiber Bend Radius
Tensile Strength, Fiber to Case
Lead Soldering Time
3
Package Mounting Screw Torque
4
Operating Humidity: Non-Condensing
Storage Humidity: Non-Condensing
Copyright© 2009 Emcore Corporation
626 293 3400
626 293 3428
analog-sales@emcore.com
www.emcore.com
1792 ECCW
Narrow Linewidth CW External Cavity Laser Diode
Analog Lasers & Photodiodes
BROADBAND
Electrical / Optical Characteristics
Parameter
Minimum Optical Output Power
Optical Linewidth
1,2,3,4
Threshold Current
Laser Bias Current
Forward Voltage
MPD Current
MPD Tracking Error
TEC Set Temperature
5
Center Wavelength (100 GHz ITU Grid)
Wavelength Drift with Case (-10 to 65 ºC)
Temperature
Wavelength Offset from DWDM ITU Grid
Frequency Temperature Coefficient
Frequency Current Coefficient
Optical Isolation
Relative Intensity Noise
Side Mode Suppression Ratio
Optical Return Loss
TEC Current
TEC Voltage
TEC Capacity
Thermistor Resistance
Thermistor Beta Constant
Symbol
P
O
-
I
TH
T
OP
V
F
I
MON
TE
T
S
λ
C
Δ λT
C
Δ λ
OFFSET
Δf/ΔT
Δf/ΔI
-
RIN
SMSR
ORL
I
TEC
V
TEC
ΔT
R
TH
B
Condition
15mW Option
10mW Option
Available for all other models
-
-
CW, P
O
= 10 mW
CW, P
O
= 10 mW
-10ºC < T
C
< 65ºC
Specified for every laser
Min
15
10
-
-
-
-
0.05
-
16
Type
20
12
25
-
-
-
-
-
-
Max
-
-
50
30
250
2.0
0.5
± 0.5
35
Units
mW
KHz
mA
mA
V
mA
dB
˚C
nm
±40
±80
5
250
-
-
-
-
+1.5
+3.0
-
10.5
-
pm
pm
GHz/ ˚C
MHz/mA
dB
dB/Hz
dB
dB
A
V
˚C
K
Ώ
K
ITU Grid Channel Numbering
Channel
60
59
58
57
56
55
54
53
52
51
50
49
-
-
-
35
-
40
40
-
-
50
9.5
-
-
3.5
200
-
-155
-
-
-
-
-
10.0
3891
48
47
46
45
44
43
42
41
40
Wavelength (nm)
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
1539.77
1540.56
1541.35
1542.14
1542.94
1543.73
1544.53
1545.32
Channel
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
Wavelength (nm)
1546.12
1546.92
1547.72
1548.51
1549.32
1550.12
1550.92
1551.72
1552.52
1553.33
1554.13
1554.94
1555.75
1556.56
1557.36
1558.17
1558.98
1559.79
1560.61
1561.42
See ITU Grid Channel Numbering Table
Relative to 25ºC Case
Temperature
TEC Temperature at T
S
-
-
-10ºC < TC < 65ºC
CW, at 200 MHz
CW, PO > 1 mW
-
T
C
= 65ºC, T
OP
= T
S
T
C
= 65ºC, T
OP
= T
S
T
C
= 65ºC
T
OP
= T
S
-
-
-
1. CW, at rated power., 2. Lorentzian linewidth measured at –30 dB., 3. Gaussian linewidth measured at –20 dB., 4. Linewidth measured with self-delayed heterodyne method at T
S
, I
OP
., 5. TEC temperature at the recommended value.
Ordering Information
Example: 1792-SMF-043-10-50-FA: ECCW,
SMF fiber pigtail, ITU channel 43, 1542.94 nm, 10 mW minimum output power, 50kHz linewidth, FC/APC optical connector
Family Name
Wavelength
(Use Numbering from ITU Channel Chart Above)
Linewidth
10:
10 kHz
50:
50 kHz
1792
-
SMF
-
WWW
-
10
-
50
-
ZZ
1792
-
PMF
-
WWW
-
10
-
50
-
ZZ
1792
-
SMF
-
WWW
-
15
-
50
-
ZZ
1792
-
PMF
-
WWW
-
15
-
50
-
ZZ
Fiber Pigtail
SMF:
Single Mode Fiber
PMF:
Polarization Maintaining Fiber
Minimum Optical Power
10:
10 mW
15:
15 mW
Connector
FA:
FC/APC
SA:
SC/APC
Copyright© 2008 Emcore Corporation
Copyright
®
2009 Emcore Corporation
626 293 3400
626 293 3428
analog-sales@emcore.com
www.emcore.com
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