1550nm Butterfly Laser Diode

1550nm Butterfly Laser Diode
1550nm Butterfly Laser Diode
1550nm Butterfly Laser Diode
Features
  • High linearity high power MQW DFB LD chip
  • Built-in isolator, TEC,hermistor 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

CATV forward-path

1550nm 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 1540 1550 1560 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 - - 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
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
Cut-off Frequency Fc(-3dB) If=Iop 4 - - GHz
RIN Nr CW, If=Iop, f=2.5GHz, ORL=24dB - -155 -150 dB/Hz
Frequency Range F - 45 - 2500 MHz
Carrier Noise Ratio CNR Note 1 51 - - dB
Composite Second Order CSO - - - -57 dBc
Composite Triple Beat CTB - - - -65 dBc

Note 1:
① If=Iop, Optical Modulation, Index=3.2%/channel (minimum),60 PAL-D unmodulated carries (47 to 550MHz), 10km singlemode fiber, -1dBm received power, Receiver responsivity=0.85A/W.
② If=Iop, Optical Modulation Index=3.2%/channel (minimum), CNR, CSO, CTB tested value at worst case over all test frequencies. NTSC 120ch., 10km singlemode fiber, -1dBm received power, Receiverresponsivity=0.85A/W

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