Coaxial Bi-Directional Laser Modules

Coaxial Bi-Directional Laser Modules

Features

  • High-reliability DFB(FP)laser chips
  • Integrated Optical Isolator
  • Low threshold current and operating current
  • Operating wavelength 1550nm
  • High responsivity InGaAs planar PIN detector
  • Low capacitance,low dark current
  • Integrated high isolate, low insert loss WDM
  • For CDMA, CATV

Absolute Maximum ratings(Tc=25°C)

Parameter Symbol Min Typ Max Unit
Forward Current If 100 mA
Reverse Voltage Vr 2 V
Monitor Current Ip 0.1 1.5 mA
Reverse Voltage Vr 15 V
Supply Voltage V 10 -15 V
Fiber Input Power P 3 dBm
Storage Temperature Tstg -40 +85 °C
Operating Temperature Top -20 +75 °C

Optical and Electrical Characteristics(Tc=25°C)

Parameter Symbol Min Typ Max Unit Remark
Rated Output Power Po 1.5 2 mW CW
Threshold Current Ith 10 mA CW
Operating Current Iop 30 mA CW
Forward Voltage Vop 1.2 1.5 V Po=2mW
Peak Wavelength λc λ-10 λ λ+10 nm Po=2mW,Tc=25°C
Spectral Width Δλ 1 nm -20dB
Spectral Shift Δλ/ΔT 0.1 Nm/°C Po=2mW,Tc=25°C
Side Mode Suppression Ratio SMSR 30 40 = dB Po=2mW
Tracking error TE -1 1 dB Im=cost,
TE=10log(p/2)
Monitor Current Im 0.1 0.8 mA Vrpd=5V,
Po=2mW
Monitor Dark Current Id 0.1 μA Vrpd=5V
Relative Intensity Noise Rin -155 -134 dH/Hz OpRI<-40dB
F=2400MHz
Isolation ISO 30 dB  
RF Bandpass Flatness BF 4 dB Peak to valley, 80MHz to 2400MHz in 30 MHz bandpass
BF<0.5 DB
IMD3 IMD3 -65 -70 dBc

2 tone test
f1=2200MHz
f2=2202.5MHz
OMI=20%/tone

Purchase Information

CHCW-X-XXXX-XXX-XX-X Coaxial Package Bidirectional Laser Module

—X —X X X X —X X X —X X —X
Type LD Type Transmitter Wavelength Power Pin Assignment Rx Wavelength Pin Assignment Connector Date Rate Isolator ROHS
2: WDMI*2
3: WDMI*3
4: WDMI*4
8: WDMI*8
D: DFB
F: FP
31: 1310nm
55: 1550nm
Others
10: 1.0mW
20: 2.0mW
30: 3.0mW
A: type A
B: type B
C: type C
31: 1310nm
55: 1550nm
Others
A: Type A
B: type B
FA: FC/APC
SA: SC/APC
LA: LC/APC
Other

1: 1.25G
2: 2.5G
3: 3.6G

G: isolator
NO: nothing
R:pass ROHS