DATASHEET | JULY 3, 2008
Model 1772 DWDM High Power CW Source
Laser
The 1772 laser component is characterized for use as a CW optical
source in CATV and DWDM networks. The 1772 is dc-coupled with a
built-in TEC, thermistor, and monitor photodiode. The device is mounted
in a 14-pin, OC-48 pinout compatible butterfly package with the optical
isolator mounted on the TEC. The 1772 incorporates a high efficiency
coupling scheme to deliver 40 mW, 50 mW, and 63 mW of CW optical
power.
Performance Highlights
Applications
DWDM
Parameter
Min
Typ
Max
Units
Operating Case Temperature
-20
25
+65
°C
Wavelength
CATV
Free space optics
40, 50, 63 mW optical output
power
OC-48 pinout compatible
Telcordia Technologies
468 compliant
TM
PM fiber
-20°°C to +65°°C operating
temperature range
Monitor photodiode
GR-
nm
40
-
-
50
-
-
63
-
-
Threshold Current
-
-
40
mA
Operating Current
-
-
380
mA
RIN
-
-
-163
dB/Hz
RIN Through 65 km Fiber
-
-
-155
dB/Hz
SMSR
30
-
-
dB
Polarization Extiction Ratio (PMF pigtail)
17
-
-
dB
Optical Isolation
32
-
-
dB
Optical Return Loss
40
-
-
dB
Optical Output Power
Features
See Page 4
See page 2 for specific test conditions.
For more information on this and other products:
Contact Sales at Emcore 626-293-3400, or visit www.emcore.com.
mW
Model 1772 DWDM High Power
DATASHEET | JULY 3, 2008
CW Source Laser
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute
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
Operating Case Temperature
Storage Temperature
Laser Forward dc Current
Photodiode Reverse Voltage
Laser Reverse Voltage
TEC current
ESD
Symbol
TOP
TSTG
VR,MPD
ITEC
-
Condition
continuous
continuous
continuous
continuous
continuous
continuous
HBM: R = 1500 Ω, C = 100 pF
Min
-20
-40
-500
Max
+65
+85
450
10
2
1.7
500
Units
°C
°C
mA
V
V
A
V
Electrical/Optical Characteristics
Parameter
1
Operating Case Temperature
Symbol
Top
Optical Output Power
PO
Threshold Current
ITH
Operating Current
IOP
Laser Bias Forward Voltage
Wavelength
(1)
Spectral Linewidth
Optical Isolation
Optical Return Loss
Sidemode Suppression Ratio
Polarization Extinction Ratio
Wavelength Drift Over TC Range
Relative Intensity Noise
Monitor PD Current
Monitor PD Dark Current
Thermistor Resistance
Thermistor Temp. Coefficients
TEC Current
TEC Voltage
(1)
VOP
λOP
∆λ
ISO
ORL
SMSR
PER
∆λTOP
RIN
IMPD
ID
RTH
TCTH
ITEC
VTEC
Condition
40 mW version, T = Tset, IF = IOP
50 mW version, T = Tset, IF = IOP
63 mW version, T = Tset, IF = IOP
BOL
40 mW version, BOL
50 mW version, BOL
63 mW version, BOL
BOL, IF = IOP
T = Tset, IF = IOP
T = Tset, IF = IOP, FWHM
IF = IOP
T = TOP
IF = IOP , VMPD = -5 V
IOP = 0 mA , VMPD = -5 V
TOP = 25 °C
TOP = 25 °C
-20°C < TC < +65°C
-20°C < TC < +65°C
Min
-20
40
50
63
32
40
30
17
100
9.5
-1.0
-2.0
Typ
25
See Page 4
10.0
-4.4
-
Max
65
40
330
380
380
2.5
1.0
40
-163
2500
0.2
10.5
+1.5
+3.0
Unit
°C
mW
mA
mA
V
nm
MHz
dB
dB
dB
dB
pm
dB/Hz
µA
µA
KΩ
%/°C
A
V
Linewidth (∆
∆ν) is calculated using the below formula:
2
2 2 -1
∆ν = ∆RIN(f){16π
π(Dλ
λ L/c) f }
Where:
D = fiber dispersion; L = fiber length (65km); C = velocity of light in free space (3.00E+8); λ = opt center wavelength
∆RIN(f) = RIN through fiber (RIN65km – RIN0km); f = the measurement frequency (860MHz)
EMCORE CORPORATION
2
Model 1772 DWDM High Power
DATASHEET | JULY 3, 2008
CW Source Laser
Outline Drawing
Pin Assignments
Pin
Function
1
Thermistor
2
Thermistor
3
Laser DC Bias (-)
4
MPD Anode
5
MPD Cathode
6
TEC (+, current in cools)
7
TEC (-)
8
Case Ground
9
Case Ground
10
No Connection
11
Laser Common (+), case ground
12
Laser Modulation (-)
13
Laser Common (+)
14
No Connection
EMCORE CORPORATION
3
Model 1772 DWDM High Power
DATASHEET | JULY 3, 2008
CW Source Laser
ITU Grid Channel Numbering
Please contact Emcore Sales for ITU wavelength channel availability.
Package Schematic
OPT OUT
1
NC
10K
2
DC BIAS
13
choke
3
4
ISO
(+)
14
(-)
0.1uF
12
11
(+)
5
10
(-)
6
GND
RF INPUT
GND
NC
9
(+)
7
TEC
CASE
GND
8
(-)
EMCORE CORPORATION
4
Model 1772 DWDM High Power
DATASHEET | JULY 3, 2008
CW Source Laser
Laser Safety
Class IIIb Laser Product
This product meets the appropriate standard in Title 21 of the Code of Federal Regulations (CFR). FDA/CDRH
Class IIIb laser product. This device has been classified with the FDA/CDRH under accession number 0220732.
All Versions of this laser are Class 3B laser product, tested according to IEC 60825-1:1993 + A1:1997 +
A2:2001 / EN 60825-1:1994 + A2:2001 + A1:2002
Single-mode fiber pigtail with FC/APC connectors (standard).
Wavelength = 1.5 µm.
Maximum power = 100 mW.
Because of size constraints, laser safety labeling (including an FDA class IIIb label) is not affixed to the module,
but attached to the outside of the shipping carton.
Product is not shipped with power supply.
Caution: Use of controls, adjustments and procedures other than those specified herein may result in
hazardous laser radiation exposure.
EMCORE CORPORATION
5
Model 1772 DWDM High Power
DATASHEET | JULY 3, 2008
CW Source Laser
Ordering Code Definitions
1772-NM-xx-yy-FC-PM
Family Name
High Power CW, 14-Pin, DFB
Matching Options
NM: No Matching
Optical Output Power
xx = 40: 40 mW
xx = 50: 50 mW
xx = 63: 63 mW
Wavelength
yy = 02: Non-ITU, 1547 nm – 1560 nm
yy = 03: Non-ITU, 1557 nm – 1560 nm
yy = 04: Non-ITU, 1530 nm – 1560 nm
yy = 15: ITU Channel 15, 1565.50 nm
yy = 16: ITU Channel 16, 1564.68 nm
…
yy = 61: ITU Channel 61, 1528.77 nm
yy = 62: ITU Channel 62, 1527.99 nm
Connector
FC: FC/APC
Fiber Options
PM: Panda PM, 400 µm
Example
1772-NM-63-43-FC-PM: 1772, 63 mW minimum output power, ITU channel 43, 1542.94 nm, FC/APC, Panda PM, 400
micron buffer. Please contact Emcore Sales for current ITU wavelength channel availability.
Information contained herein is deemed to be reliable and accurate as of issue date. EMCORE reserves the right to change the design or specifications of
the product at any time without notice. EMCORE and the EMCORE logo are trademarks of EMCORE Corporation.
EMCORE CORPORATION
1772 Datasheet
2015 West Chestnut Street
Alhambra, California 91803-1542
EMCORE CORPORATION
Tel: 626-293-3400
Fax: 626-293-3428
www.emcore.com
6
Copyright 2008. EMCORE Corporation