The series coaxial TO lasers are uncooled semiconductor distributed-Feedback(DFB) laser working at 1650nm wavelengths. The device is delivered in a TO56 package with a monitor photodiode. This high performance and high reliability laser is suitable for applications up to 2.5 Gb/s in fiber optic links or local networks.
Features
1650nm emission wavelengths;
High power over wide temperature range;
High side-mode-suppression ratio (typical>35dB);
High Reliability;
Multi-quantum Well(MQW) active layer;
Aspherical package.
Applications
Telecommunication;
Data Communication;
Storage area networks.
Electro-Optical Parameters
Parameter Symbol Test Conditions Min. Typ. Max. Unit
Threshold Current:Ith CW - 6 14 mA
Threshold Current:Ith CW,TC=85℃ - - 40 mA
Output Power:PO CW, If=Ith+20mA 3 - - mW
Operating Voltage:Vop CW, If=Ith+20mA - 0.95 1.5 V
Peak Wavelength：λp CW, If=Ith+20mA 1640 1650 1660 nm
Side Mode Suppression Ratio：SMSR CW, If=Ith+20mA 35 40 - dB
Rise time/Fall time：tr/tf CW, If=Ith+20mA, 20%-80% - - 200 ps
Monitor Current (PD)：Im CW, If=Ith+20mA, VRD=1V 0.1 0.3 1.0 mA
Dark Current (PD)：Id VRD=10V - 0.005 0.1 μA
Focus Length：F 2.0mm ball lens cap 7.2 7.5 7.8 mm
