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DM200-01-1-9080-0-LC

P1-P3P4-P6P7-P9P10-P10
F i n i s a r
Finisar Corporation –10-May-07 Rev_A Page 1
Product Specification
10Gb/s 200km Telecom CML
TM
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
P1-P3P4-P6P7-P9P10-P10

DM200-01-1-9080-0-LC

Mfr. #:
Buy DM200-01-1-9080-0-LC
Manufacturer:
Finisar Corporation
Description:
Laser Diodes DWDM CML, 100GHz spacing (C-band or L-band), OC-192, STM64, 10G FC, G.709, 10.7 Gb/s, G.959.1 P1L1 and P1V1 transmitter, butterfly package, LC connector, 0 to +3dBm output power, -5/75 C
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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