F i n i s a r
Finisar Corporation –10-May-07 Rev_A Page 1
Product Specification
10Gb/s 200km Telecom CMLTM
13pin-GPO Butterfly Transmitter
DM200-01-0/1/2
PRODUCT FEATURES
• High Performance CML
TM
• Supports multi-bit-rate application,
from 9.95Gb/s to 11.1Gb/s
• Supports link length up to 200km
without DCM
• 0-3dBm modulated output power
• Case temperature range -5°C to
75°C
• Supports application with and
without FEC
• TDM, DWDM single channel
• Covers ITU-T C- and L-band
channels (1527.773nm to
1605.744nm)
APPLICATIONS
• Metro, Regional and Long haul
DWDM application
• SONET/SDH OC-192, STM-64
• 10G Ethernet
• 10X Fibre Channel
Finisar’s DM200-01 butterfly transmitter module employs proprietary Chirp Managed
Laser (CML
TM
) technology and has been specifically designed to transmit 10Gb/s data
over physical distances up to 200km. The module is comprised of a directly-modulated
DFB laser chip and a co-packaged proprietary optical spectrum reshaper (OSR) passive
optical element. The OSR component also provides a frequency locking function and
allows operation on the ITU-T channels within ±2.5GHz with coverage across both C-
band and L-band for DWDM versions. Also included in the standard butterfly footprint
are 2 photo-detectors for power control and wavelength locking, together with 2 TECs for
temperature stabilization. Key specifications for the optical and electrical characteristics,
physical requirements, environmental conditions and reliability/quality requirements are
detailed in this document.
Note: Long version of this document with more detailed optical and electrical parameter
specification is available upon request.
DM200-01-0/1/2 CML
TM
Butterfly Transmitter Product Specification – May 2007
F i n i s a r
Finisar Corporation –10-May-07 Rev_A Page 2
I. Internal Optical Layout
Figure 1
The DM200-01 modules uses a 10Gb/s directly modulated DFB chip co-packaged with
an optical spectral re-shaper (OSR) element as shown in Figure 1. An optical isolator is
included between the DFB and the OSR while a beam-splitter component and 2
photodetectors are configured to allow frequency locking. Lens#1(L1) is used to
collimate the DFB laser output and pass the beam through the splitter and OSR, prior to
coupling into single-mode fiber using Lens#2 (L2). A second isolator is included in the
fiber pigtail to minimize the effect of external back-reflections on module performance.
II. Control Method
The schematic in Figure 2 shows the key components and control loops that are used to
operate the module. The output power of the DFB is monitored by photodetector PD1.
Photodetector PD2 monitors the back-reflection from the OSR. The photocurrent ratio
from the two detectors is used to lock the relative spectral locations of the laser and the
OSR via temperature control of the DFB using TEC#1. A second TEC (TEC#2) controls
the temperature of the OSR and locates the operating point of the OSR on the ITU grid
for DWDM applications.
TEC
DFB
PD2
PD1
OSR
L1
Isolator
Beamsplitter
L2
Fibre stub
Window
Isolator
TEC
DFB
TEC
DFB
PD2PD2
PD1PD1
OSROSR
L1
Isolator
Beamsplitter
L2
Fibre stub
Window
Isolator
Figure 1. CML internal layout
DM200-01-0/1/2 CML
TM
Butterfly Transmitter Product Specification – May 2007
F i n i s a r
Finisar Corporation –10-May-07 Rev_A Page 3
Figure 2: Control schematic for DM200-01 Module
III. Absolute Maximum Ratings
Table 1: Absolute maximum ratings
Item Parameters Conditions Min Max Units
1.
Storage Temperature -40 85 °C
2.
Heat Soldering Temperature on leads, 6 seconds max 260 °C
3.
Returned Fiber Power CW, 1 second transient 13 dBm
4.
Laser Forward Current Peak 200 mA
5.
Laser Reverse Voltage Peak 2 V
6.
PD Forward Current CW 1 mA
7.
PD Reverse Voltage CW 2 V
8.
TEC Current DC -1.9 1.9 A
9.
TEC Voltage DC 1.8 V
10.
Transient Cooler Current 1 sec -1.9 1.9 A
11.
Tolerable External Reflection -14 dB
12.
Optical Return Loss -27 dB
TEC#1 TEC#2
Thermistor#1 DFB
Modulation
Current
Bias
Current
OSR
Thermistor#2
PD1 PD2
Constant
Output Power
Start Up Temperature
Con
stant Photodetector
Ratio (locker)
Constant Temperature
DM200-01-0/1/2 CML
TM
Butterfly Transmitter Product Specification – May 2007
F i n i s a r
Finisar Corporation –10-May-07 Rev_A Page 4
IV. Standard Operating Specifications
Table 2: Standard Operating Requirements
Item
Parameters Min Typ Max Units Comments
1.
Bit Rate 9.953/10.7 11.1 Gb/s
All the following
transmission
parameters are
tested at 9.95 or
10.7Gb/s
2.
Operating Case
Temperature Range -5 75 °C
3.
Wavelength (SOL) ITU-T
Wavelength
ITU-T wavelengths
defined in Tables 9
& 10
4.
Locked deviation from
ITU -2.5 2.5 GHz EOLOT
5.
Modulated Output Power
(EOL) 0 3 dBm
SOL operation
condition to be
discussed.
6.
Operating Drive current
(SOL) 70 100 mA
7.
Allowed Deviation from
SOL drive current over
life and temperature
-15 20 %
8.
Required Resolution of
Operating Drive Current 0.09 mA 360mA/4096 levels
9.
SMSR 35 40 dB
Wavelength temperature
tuning coefficient 0.1 nm/°C
Wavelength current
tuning coefficient 7 pm/m
A
Laser threshold current 25 mA
Forward Bias Voltage 1.8 V
RIN -135 dB/Hz
0 to 10 GHz,
Measured before
OSR is installed
Laser CW Linewidth
(FWHM) 2 10 MHz Measured before
OSR
Module Input Impedance 50 Ohms
Recommend use of
EML driver
technology
Peak to Peak voltage,
Vpp 0.5 1 1.5 V Into 50ohm
Electrical input crossing 25 80 %
Customer must
provide adjustment
capability on
electrical driver
Extinction Ratio
(EOLOT) 9 dB BT Filter OFF
Optical crossing tbc tbc % BT Filter OFF
S11 Mask dB tbc
S21 (3dB BW) 10 GHz Before OSR
DM200-01-0/1/2 CML
TM
Butterfly Transmitter Product Specification – May 2007
F i n i s a r
Finisar Corporation –10-May-07 Rev_A Page 5
Power dispersion Penalty
@ 30dB OSNR, 9.95Gbs,
BER=10
-12
, 3400ps/nm
(EOLOT)
1
2 dB
Receiver threshold
optimized for
3400ps/nm, same
threshold used for
BB measurement
OSNR dispersion Penalty
@ BER=10
-4
, 10.7Gbs,
3400ps/nm (EOLOT)
1
2 dB
Receiver threshold
optimized at BB and
3400ps/nm
Note:
1. Please call Finisar to discuss the receiver configuration, including types of PIN/APD,
and power level into APD, and the type of CDRs are used. With FEC and some
CDRs incorporating EDC functions, >3400ps/nm transmission is possible.
V. Mechanical Details
Figure 3: Package Outline Drawing
DM200-01-0/1/2 CML
TM
Butterfly Transmitter Product Specification – May 2007
F i n i s a r
Finisar Corporation –10-May-07 Rev_A Page 6
VI. Pin-out Details
Figure 4: Schematic Pin-out of Transmitter Package
Table 3: Pin-Out Description
Pin Description
1. TEC#1 (+)
2. TEC#1 (-)
3. Thermistor#1 (+)
4. Thermistor#1 (-)
5. Laser Diode Bias
6. PD1 (Anode)
7. PD1 (Cathode)
8. PD2 (Cathode)
9. PD2 (Anode)
10. TEC 2 (+)
11. TEC 2 (-)
12. Thermistor#2 (+)
13. Thermistor#2 (-)
OSR
1
2
3
4
5
6
7
8
9
10 11 12 13
TEC#1 TEC#2
DFB
PD1 PD2
R=45Ω
L
Thermistor
Thermistor
DM200-01-0/1/2 CML
TM
Butterfly Transmitter Product Specification – May 2007
F i n i s a r
Finisar Corporation –10-May-07 Rev_A Page 7
VII. Wavelength Coverage
Table 4: DWDM Product Identification C-Band 100 GHz
Channel
ID
Frequency
(GHz)
Wavelength
(nm)
Channel
ID
Frequency
(GHz)
Wavelength
(nm)
9170 191700 1563.863 9400 194000 1545.322
9180 191800 1563.047 9410 194100 1544.526
9190 191900 1562.233 9420 194200 1543.73
9200 192000 1561.419 9430 194300 1542.936
9210 192100 1560.606 9440 194400 1542.142
9220 192200 1559.794 9450 194500 1541.349
9230 192300 1558.983 9460 194600 1540.557
9240 192400 1558.173 9470 194700 1539.766
9250 192500 1557.363 9480 194800 1538.976
9260 192600 1556.555 9490 194900 1538.186
9270 192700 1555.747 9500 195000 1537.397
9280 192800 1554.94 9510 195100 1536.609
9290 192900 1554.134 9520 195200 1535.822
9300 193000 1553.329 9530 195300 1535.036
9310 193100 1552.524 9540 195400 1534.25
9320 193200 1551.721 9550 195500 1533.465
9330 193300 1550.918 9560 195600 1532.681
9340 193400 1550.116 9570 195700 1531.898
9350 193500 1549.315 9580 195800 1531.116
9360 193600 1548.515 9590 195900 1530.334
9370 193700 1547.715 9600 196000 1529.553
9380 193800 1546.917 9610 196100 1528.773
C-band
9390 193900 1546.119
DM200-01-0/1/2 CML
TM
Butterfly Transmitter Product Specification – May 2007
F i n i s a r
Finisar Corporation –10-May-07 Rev_A Page 8
Table 5: DWDM Product Identification L-Band 100 GHz
Channel
ID
Frequency
(GHz)
Wavelength
(nm)
Channel
ID
Frequency
(GHz)
Wavelength
(nm)
8670 186700 1605.744 8920 189200 1584.527
8680 186800 1604.885 8930 189300 1583.69
8690 186900 1604.026 8940 189400 1582.854
8700 187000 1603.168 8950 189500 1582.018
8710 187100 1602.311 8960 189600 1581.184
8720 187200 1601.455 8970 189700 1580.35
8730 187300 1600.6 8980 189800 1579.518
8740 187400 1599.746 8990 189900 1578.686
8750 187500 1598.893 9000 190000 1577.855
8760 187600 1598.041 9010 190100 1577.025
8770 187700 1597.189 9020 190200 1576.196
8780 187800 1596.339 9030 190300 1575.368
8790 187900 1595.489 9040 190400 1574.54
8800 188000 1594.641 9050 190500 1573.714
8810 188100 1593.793 9060 190600 1572.888
8820 188200 1592.946 9070 190700 1572.063
8830 188300 1592.1 9080 190800 1571.239
8840 188400 1591.255 9090 190900 1570.416
8850 188500 1590.411 9100 19100 1569.594
8860 188600 1589.568 9110 191100 1568.773
8870 188700 1588.725 9120 191200 1567.952
8880 188800 1587.884 9130 191300 1567.133
8890 188900 1587.043 9140 191400 1566.314
8900 189000 1586.203 9150 191500 1565.496
L-band
8910 189100 1585.365 9160 191600 1564.679
VIII. Quality and Reliability
Lifetime
The operating lifetime of the module is 15 years. The reliability target is 400 FITs mean
over 15 years to include random and wear out failures, valid for high-end of case
temperature range. All specifications apply over this period of time.
Qualification
The DM200-01 module has been qualified in accordance with the Telcordia standard GR-
468-CORE. The qualification report is available upon request.
DM200-01-0/1/2 CML
TM
Butterfly Transmitter Product Specification – May 2007
F i n i s a r
Finisar Corporation –10-May-07 Rev_A Page 9
Electro-Static Discharge (ESD)
The device meets the ESD Class 3 requirements of the Telcordia standard TR-NWT-
000870 Issue 1, dated February 1991.
IX. Order Information
Product code
For the product specified in this document, the proper product code shall be:
DM200-01-1 (or -0, -2)-xxxx-0-LC-yyyy
This product code should be specified when placing a purchase order.
• “01” indicates a butterfly box module as specified in this document.
• “1” indicates the laser wavelength will be specified on 100GHz ITU grid as
specified in Table 9 and Table 10. If –“0” is specified, it can be a TDM version
with any wavelength within C or L band, but not guaranteed on ITU grids. –“2”
can also be specified for 50GHz ITU grid.
• “xxxx” is the channel ID as specified in Table 9 and Table 10.
• “0” indicates modulated output power range is between 0-3dBm. Please contact
Finisar if different power level is needed.
• “LC” indicates the fiber connector is LC type. FC and other connector types are
also available.
• “yyyy” indicates any special customized request and need to be agreed with
Finisar prior to ordering
X. Revision History
Revision Date Description
A 10-May-2007 • Document created.
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DM200-01-0/1/2 CML
TM
Butterfly Transmitter Product Specification – May 2007
F i n i s a r
Finisar Corporation –10-May-07 Rev_A Page 10
XI. For More Information
Finisar Corporation
1389 Moffett Park Drive
Sunnyvale, CA 94089-1133
Tel. 1-408-548-1000
Fax 1-408-541-6138
sales@finisar.com
www.finisar.com