DFB Butterfly Laser Diode

DFB Butterfly Laser Diode
DFB Butterfly Laser Diode
DFB Butterfly Laser Diode
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2MW-24MW 1310nm DFB butterfly laser diode produce laser beams with a stable wavelength. It can deliver high output power up to a maximum of 24MW. The module is composed of a built-in or external opto-isolator, 14-pin butterfly package with thermo-electric cooler, single mode fiber butterfly, 900μm tight tube, and FC/APC connector. The length of fiber butterfly is 1.00±0.10m. With a low threshold current, the device can be supplied with a built-in or external modem.

Applications
CATV forward-path
1310nm broadcast and point-to-point applications

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 CW 1300 1310 1320 nm
Spectral Width (-3 dB) Δλ CW - 0.5 1 nm
Optical Output Power Po CW, TL=25 °C - - 32 mW
Optical Isolation IS T=25 °C 30 35 - dB
Side-mode Suppression Ratio SMSR CW 35 - - 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 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
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
Carrier Noise Ratio CNR Note 1 51 - - dB
Composite Second Order CSO - - -57 dBc
Composite Triple Beat CTB - - -65 dBc
Pin Description
Pin Description Pin Description
1 Thermistor 8 Ground
2 Thermistor 9 Ground
3 LD (N) bias 10 Ground
4 Detector (P) 11 LD (P), ground
5 Detector (N) 12 LD (N), RF modulation
6 TEC (+) 13 LD (P), ground
7 TEC (-) 14 Ground
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