CW Narrow Band Tunable Laser Module

CW Narrow Band Tunable Laser Module


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.


  • 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


  • 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


Describe which standard ITU.T grid channel can be tuning. Wavelength can be tuned continuously.


All Information given here is reliable to our best knowledge. No responsibility is assumed for possible inaccuracies or omissions. Specifications and external appearances are subject to change without notice.