Description
The tunable laser is a DBR laser without a semiconductor optical amplifier (SOA). Its wavelength can be tuned continuously and flexibly, and can be tuned to ITU channel grids.
Feature
- 14 PIN Butterfly Package
- High output power，up to 15 dBm
- High side-mode suppression ratio > 40 dB
- Wavelength adjust flexibly，tuning range 8-10nm
- Qualified as per intent of Telcordia GR-468
Applications
- DWDM transmission systems
- Tunable DWDM transponders and transceivers
- Dynamic provisioning and wavelength routing in DWDM systems
- Test and measurement
- Optical Fiber Sensing
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device.
| Parameter | Symbol | Min | Typ | Max | Unit |
| Storage temperature | Ts | -40 | 85 | °C | |
| Relative humidity | RH | 0 | 85 | % | |
| Laser diode reverse voltage (all sections) | Vr | 3 | V | ||
| Laser gain current | Ig | 250 | mA | ||
| Grating current | Ir | 100 | mA | ||
| Phase current | Ip | 10 | mA | ||
| TEC current | ITEC | 1.2 | A | ||
| TEC voltage | VTEC | 3.5 | V |
Electrical Characteristics (Tc=25℃)
| Parameter | Symbol | Min | Typ | Max | Unit |
| Forward voltage | Vop | 2 | V | ||
| Operating temperature | Top | -5 | 75 | °C | |
| Laser gain current | Ig | 200 | mA | ||
| Grating current | Ir | 80 | mA | ||
| Phase current | Ip | 5 | mA | ||
| Thermistor Resistance | Rth | 9.5 | 10 | 10.5 | kOhm |
| Thermistor sensitivity index | β | 3892 | K |
Optical Characteristics (TOP = -5 to 75°C)
| Parameter | Symbol | Min | Typ | Max | Unit |
| Output power | Pmax | 15 | dBm | ||
| Wavelength Tuning Range | 8 | 10 | nm | ||
| Wavelength Range | 1530 | 1580 | nm | ||
| Channel spacing (ITU grid) | 50 /100 | GHz | |||
| Number of channels | 24/12 | ||||
| Side-mode suppression ratio | SMSR | 40 | dB | ||
| Linewidth | LW | 2 | 5 | MHz | |
| Relative intensity noise | RIN | -135 | dB/Hz | ||
| Optical isolation | 30 | dB |
Note:
Describe which standard ITU.T grid channel can be tuning. Wavelength can be tuned continuously.
