1270 nm ~ 1610 nm DFB LD MODULES
2.5 Gbps CWDM MQW-DFB LD RECEPTACLE
******************************************************************************************************************************************************* FEATURES
218-wavelength CWDM: from 1270 nm to 1610 nm, each Step 20 nm
2P f >= 3mW @Ith+20 mA
2High reliability, long operation life
20 oC ~+70 oC operation
2Up to 2.5 Gbps Operation
2Single frequency operation with high SMSR
2Build-in InGaAs monitor
APPLICATION
OC-3, OC-12, OC-48, and Gigabit Ethernet Optical communication system
DESCRIPTION
DL-5500S-CXX0 series are MQW-DFB laser diodes that provide a durable, single frequency oscillation with emission wavelength from 1270 nm to 1610 nm CWDM, each step 20 nm. ELECTRICAL AND OPTICAL CHARACTERISTICS (T C=25 °C)
Symbol Parameter Test Conditions Min. Typ. Max. Unit
I th Threshold Current CW 10 20 mA
I OP Operating Current CW, I th+20mA 35 50 mA
V OP Operating V oltage CW, I th+20mA 1.2 1.5 V
P f Optical Output Power CW, I th+20mA 3.0 - mW λc Center Wavelength CW, I th+20mA λ-3λλ+2nm SMSR Side Mode Suppression Ratio CW, I th+20mA 30 35 dB
t r, t f Rise And Fall Times I F=I th, I th+20mA,20~ 80% 150 ps
ΔP f / P f Tracking Error APC, 0~+70 oC - - ±1.5 dB
I m PD Monitor Current CW, I th+20mA,V RD=1V 50 μA
I D PD Dark Current V RD=5V 10 nA
C t P
D Capacitance V RD=5V, f=1MHz 10 15 pF Note: Central CWDM wavelength is from 1270 nm to 1610 nm, each step 20 nm.
ABSOLUTE MAXIMUM RATINGS (T C=25 oC)
Symbol Parameter Ratings Unit
P o Optical Output Power 4 mW
V RL LD Reverse V oltage 2 V
V RD PD Reverse V oltage 10 V
I FD PD Forward Current 1.0 mA
T opr Operating Temperature 0~+70 oC
T stg Storage Temperature -40~+85 oC