Passive Fiber Optic Components and Modules Manufacturer

Our designs have been qualified and deployed in space applications and are widely used in terrestrial and submarine telecommunications systems.
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  4. 1270nm~1610nm CWDM Butterfly Laser Diode
1270nm~1610nm CWDM Butterfly Laser Diode
Features
  • High linearity high power MQW CWDM DFB LD chip
  • Built-in isolator, TEC,thermistor and Monitor PD
  • Optimized for 2.5 Gb/s Modulation Rates
  • 14-pin butterfly cooled package
  • Single mode FC/APC connector or customized
  • Output power 2~16mW
Applications

2.5 Gb/s long haul CWDM Transmission.

Absolute Maximum Ratings
Parameter Symbol Condition Min. Max. Unit
Operating Case Temperature Tc I=Iop -20 80 °C
Storage Temperature Tstg - -40 85 °C
Laser Forward Current If - - 150 mA
Laser Reverse Bias Vr - - 2 V
Photodiode Reverse Bias Vrpd - - 10 V
TEC Current Itec -20 °C <Tc <+65 °C, Top=25 °C If=100 mA -2 +2 A
TEC Voltage Vc - -2.5 +2.5 V
ESD - ESD - HBM: R=1500 ohm, C=100 pF -500 +500 V
Lead Solder Temperature - - - 260 °C
Lead Soldering Time - - - 10 S
Fiber Bend Radius - - 30 - mm
Fiber Yield Strength - - - 1 kgf
Optical & Electrical Characteristics
Parameter Symbol Test Conditions Min. Typ. Max. Unit
Center Wavelength λc Note1 Note2 nm
Spectral Width (-3 dB) Δλ CW - 0.5 1 nm
Optical Output Power Po CW, TL=25 °C - - 16 mW
Optical Isolation IS T=25 °C 30 35 - dB
Side-mode Suppression Ratio SMSR CW 35 40 - dB
Threshold Current Ith TL=25 °C - 10 15 mA
Operating Current Iop CW - - 100 mA
Forward Voltage VF CW - 1.2 2.0 V
Monitor Current Imon Vrpd=5 V 100 - 1500 μA
Monitor Dark Current ID Vrpd=5 V - - 100 nA
Operating Case Temperature T - -20 - 60 °C
Tracking Error γ TE=10log(Po(Tc)/Po(25°C) -1 - 1 dB
Thermistor Resistance Rt T=25 °C 9.5 - 10.5 KΩ
Thermistor B Constant B T=25 °C - 3900 - K
TEC Current IC ΔΤ=40°C - - 1.0 A
TEC Voltage VC ΔΤ=40°C - - 2.0 V
Frequency Range F - 45 - 2500 MHz
Cut-off Frequency Fc(-3dB) If=Iop 4 - - GHz
RIN Nr CW, If=Iop, f=2.5GHz - -155 -150 dB/Hz

Note 1. 2.5Gb/s NRZ, pseudo-random, Pb=0.2mW, Ppeak=2.0mW

Note 2. The selected wavelength is available as follow:

Wavelength (nm) (Tl=Tset) (in vacuum) Tolerance(nm)
1271 ±2 or ±3
1291 ±2 or ±3
1311 ±2 or ±3
1331 ±2 or ±3
1351 ±2 or ±3
1371 ±2 or ±3
1391 ±2 or ±3
1411 ±2 or ±3
1431 ±2 or ±3
1451 ±2 or ±3
1471 ±2 or ±3
1491 ±2 or ±3
1511 ±2 or ±3
1531 ±2 or ±3
1551 ±2 or ±3
1571 ±2 or ±3
1591 ±2 or ±3
1611 ±2 or ±3
Pin Description
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