• Narrow linewidth for advanced system applications
• Polarization maintaining fiber pigtail
• Hermetically sealed laser package with integrated optical
isolator
• Self-contained microprocessor control and monitor electronics
• I
2
C™, SPI, or UART communication
• Programmable wavelength control supports all C- and L-
Bands channels
• Integral wavelength locker for stable operation
• Industry standard Tunable MSA interface
Applications
• DWDM sparing
• Dynamic wavelength provisioning
• Dynamic add/drop multiplexers
• Optical cross connects
• Wavelength conversion
The JDSU Agile Transmission Modules family includes tunable transponders and
tunable lasers. The flexibility enabled by JDSU's transponders is critical to the
successful and rapid deployment of next generation, IP-based voice, data and
video services which are driving new network management challenges for
communications service providers. They also support multiple modulation
formats to allow multiple applications, from ultra long haul to metro networks, in
a single platform.
The 3205/3206 Widely Tunable Laser Assembly (TLA) is designed for use in
DWDM systems where the capability to change wavelength on demand over the
entire C- and L- Bands with up to 50 GHz channel spacing is essential.
The key elements of the TLA are the Sampled Grating Distributed Bragg Reflector
(SG-DBR) laser, monolithically integrated with a Semiconductor Optical
Amplifier (SOA) and an integral wavelength locker, all enclosed in a high-
reliability, hermetically sealed package.
The integrated SOA acts as a shutter during wavelength switching and as an
optional Variable Optical Attenuator (VOA) for pre-emphasis of transmitter
power levels to optimize link performance.
The TLA also incorporates a digital controller and firmware. Polarization
maintaining fiber pigtail is standard, with a ceramic ferrule termination. User
control may be specified as I
2
C™, SPI, or UART.
NORTH AMERICA
:
800 498-JDSU (5378)
WORLDWIDE
:
+800 5378-JDSU
WEBSITE
:
www.jdsu.com
3205/3206 TUNABLE LASER ASSEMBLY
2
Dimensions Diagram
(Specifications in inches unless otherwise noted.)
See DETAIL A
DETAIL A
3205/3206 TUNABLE LASER ASSEMBLY
3
Pinout
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Description
TEC Voltage
TEC Voltage
TEC Voltage
TEC Voltage
Ground
Ground
Ground
Ground
+3.3 V, Analog
+3.3 V, Analog
Ground
Ground
+3.3 V, Digital
+3.3 V, Digital
Ground
Ground
Reset, Active Low
Communication Bus Select
1
Laser Disable, Active Low
Communication Bus Select
2
Channel Tagging
I
2
C™ NEC/SPI Output Data/UART Tx Data
Reserved for Future Use—NEC
3
I
2
C™ Serial Data/SPI Input Data/UART Rx Data
Reserved for Future Use—NEC
I
2
C™ Serial Clock/SPI Input Clock/UART NEC
Reserved for Future Use—NEC
I
2
C™ NEC/SPI Slave Select/UART NEC
Wavelength Lock Status, Active Low
I
2
C™ A0/SPI Slave Ready/UART NEC
Service Alarm, Active Low
I
2
C™ A1/SPI NEC/UART NEC
Urgent Alarm, Active Low
I
2
C™ A2/SPI NEC/UART NEC
Manufacturing Services—NEC
Manufacturing Services—NEC
Manufacturing Services—NEC
Manufacturing Services—NEC
Manufacturing Services—NEC
Manufacturing Services—NEC
39
01
40
02
1. Module Connector type: Samtec FTS-120-03-F-DV-S or equivalent (pin)
2. PCB Connector type: Samtec CLP-120-02-G-D-P or equivalent (socket)
3. NEC = No External Connection
3205/3206 TUNABLE LASER ASSEMBLY
4
Absolute Maximum Ratings
Parameter
TEC supply voltage
3.3 V supply voltage (analog)
3.3 V supply voltage (digital)
Operating case temperature range
Storage case temperature range
Relative humidity (noncondensing)
Minimum fiber-bend radius
Maximum LVTTL input voltage
(Pins 17–20, 24, 26, 28, 30, 32, & 34)
Symbol
V
CC
V
DDana
V
DDdig
T
op
T
stg
RH
VIL
Minimum
0V
0V
0V
-5°C
-40°C
-
1 in. (25.4 mm)
-
Maximum
6V
3.6 V
3.6 V
70°C
85°C
85%
-
3.6 V
Note: 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 operations sections of the data sheet. Exposure to absolute maximum ratings for extended
periods can adversely affect device reliability.
Electrical Specifications
Parameter
TEC supply voltage
1
TEC supply current
3.3 V supply voltage (analog)
2
3.3 V supply current (analog)
3
3.3 V supply voltage (digital)
2
3.3 V supply current (digital)
3
Power dissipation
4
Symbol
V
CC
I
CC
V
DDana
I
DDana
V
DDdig
I
DDdig
P
DIS
Minimum
3.13 V
-
3.13 V
-
3.13 V
-
-
Typical
5.0 V
1000 mA
3.3 V
550 mA
3.3 V
140 mA
5.5 W
Maximum
5.25 V
2300 mA
3.47 V
700 mA
3.47 V
200 mA
6.5 W
1. TEC supply voltage may be set to either 3.3 V or 5 V. Common 3.3 V supply may be used for analog, digital, and TEC.
2. 3.3 V analog and digital supplies can be linked.
3. Total current from 3.3 V supplies not to exceed 2300 mA.
4. Steady-state power dissipation over lifetime and case operating range of -5 to 70°C.
Channel Switching Specifications
Parameter
Blanked output power
1
Locked frequency accuracy
Wavelength switching time
2
Symbol
P
BLANK
T
switch
Minimum
-
-
-
Typical
-
-
-
Maximum
-30 dBm
± 2.5 GHz
10 ms
1. Output power is less than -30 dBm at frequencies more than 10 GHz away from new channel.
2. Switching time is duration from receipt of command to locked operation at new channel.
3205/3206 TUNABLE LASER ASSEMBLY
5
Optical Specifications
Parameter
Output power
1
3205 TLA
3206 TLA
Power variation
2
Within a channel, Tc = 0 - 70°C
Between channels, Tc = 25°C
Number of consecutive channels
3205 TLA
3206 TLA
Channel spacing
Tuning range
3205 TLA
3206 TLA
Frequency accuracy over life & temperature
3
Linewidth
4
Relative intensity noise
5
3205 TLA
3206 TLA
Side mode suppression ratio
6
3205 TLA
3206 TLA
SBS dither specifications
Peak-to-peak frequency modulation
7
Residual amplitude modulation
1. Over lifetime and case temperature range of -5 to 70°C
Symbol
P
Minimum
Typical
Maximum
-
-
∆P
-
-
-
-
-
λ
C
1528.384 nm
191.70 THz
1570.42 nm
186.35 THz
-
-
-
-
SMSR
40 dB
38 dB
0.1 GHz
-
13 dBm
10 dBm
-
-
90
92
50 GHz
-
-
-
-
-
-
-140 dB/Hz
-138.5 dB/Hz
45 dB
45 dB
-
-
-
-
± 0.5 dB
± 0.5 dB
-
-
-
1563.863 nm
196.15 THz
1608.76 nm
190.90 THz
± 2.5 GHz
10 MHz
-135 dB/Hz
-133.5 dB/Hz
-
-
1.2 GHz
1%
LW
RIN
2. Power variation within and between channels under locked operation, BOL.
3. Frequency accuracy under locked operation.
4. Effective 3 dB linewidth corresponding to phase noise density measured using coherent discriminator method.
5. Measured at worst case point between 0.1 - 10 GHz.
6. Ratio of average power in the dominant mode to that in the highest side mode (in a 0.1 nm resolution bandwidth).
7. Dither frequency is 12 kHz. Peak-to-peak modulation is adjustable in 0.1 GHz steps.
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