Specified DFB Laser Diode
The QTDFB series laser diodes cover customer selection of large wavelengths range from 700nm to 3000nm which are fabricated in a hermetically sealed 14-pin butterfly packaging.The laser diodes contains thermoelectric cooler (TEC), thermistor, monitor photodiode,optical isolator to secure high quality laser performance. We also have full customer selection of output powers, packaging type and output fiber of SM/PM and other special requirements. Our laser products are Telcordia GR-468 qualified.
Applications:
LAN, WAN and metro networks
C/DWDM systems
Fiberoptic sensors
Laser sources
Features:
High output power(≥10mW)
High-performance, multiquantum well (MQW) distributed-feedback (DFB) laser
Industry-standard, 14-pin butterfly or TO packaging
Built-in TEC and optical isolator
Customer selection of wavelengths
Reliability: Telcordia GR-468. RoHS
Optical and Electric Specifications
Packaging & PIN Definition
Order Information
Parameter | Symbol | Min. | Typical | Max. | Unit |
Center Wavelength | λc | customer select wavelength | nm | ||
Peak Optical Output Power | PO | 10 | - | - | mW |
Spectral Linewidth | LW | - | 3 | 5 | MHz |
Side-mode Suppression Ratio | SMSR | 35 | 45 | - | |
Optical Isolation | - | 30 | - | - | dB |
Threshold Current | ITH | - | 10 | 35 | mA |
Operating Current | Iop | - | 100 | - | mA |
Laser Reverse Voltage | VF | - | - | 2 | V |
TEC Set Temperature | Ts | 15 | - | 35 | °C |
Laser Forward Voltage | VF | - | - | 3 | V |
Bandwidth (@-3dB) | BW | - | 2.5 | - | GHz |
PD Reverse Voltage | VRPD | - | 5 | 10 | V |
PD Forward Current | IFPD | - | 0.7 | 3 | mA |
PD Monitor Dark Current (Vr=-5V) | ID | - | 0.01 | 0.1 | μA |
TEC Current | ITEC | - | - | 1.5 | A |
TEC Voltage | VTEC | - | - | 3.5 | V |
Thermistor Resistance (25°C) | RTH | 9.5 | 10 | 10.5 | KΩ |
Thermistor Temperature | - | - | - | 100 | °C |
Lead Soldering Time (<260°C) | - | - | - | 10 | sec |
Operating Temperature Range | - | -20 | - | 70 | °C |
Storage Temperature | Tstg | -40 | - | 85 | °C |
PIN | S-Type (Standard Type) | P-Type (Pump Type) |
1 | Thermistor | Thermoelectric Cooler (+) |
2 | Thermistor | Thermistor |
3 | Laser dc Bias (Cathode) (-) | Back-facet Monitor Anode (-) |
4 | Monitor PD Anode (-) | Back-facet Monitor Cathode (+) |
5 | Monitor PD Cathode (+) | Thermistor |
6 | Thermoelectric Cooler (+) | NC |
7 | Thermoelectric Cooler (-) | NC |
8 | Case Ground | NC |
9 | Case Ground | NC |
10 | NC | Laser Anode (+) |
11 | Laser Anode (+) | Laser Cathode (-) |
12 | Laser RF Cathode (-) | NC |
13 | Laser Anode (+) | Case Ground |
14 | NC | Thermoelectric Cooler (-) |
QTDFB- | Wavelength | Power | Wavelength Tolerance | Fiber | Connector | Pigtail Length | Packaging and Pin Type |
QTDFB- | 1270: 1270nm | 01: 1mW | 05: ±0.5nm | S: SM Fiber | A: FC/APC | 05: 0.5m | P: 14 Pin Butterfly P Pin |
1512: 1512nm | 10: 10mW | 10: ±1nm | P: PM Fiber | P: FC/PC | 10: 1m | S: 14 Pin Butterfly S Pin | |
… | … | … | M: MM Fiber | S: SMA | … | T5: TO5 | |
C: Customize | … |