DFB Single Frequency Seed Source

Product Features:

  • 50mW output power, ex-single mode fiber in 1020-1120nm wavelength range

  • Optional monitor photodiode

  • Optional integrated optical isolator (OI)

  • Mode-hop free continious tuning (subject to OI option)

  • Proprietary mirror coating technology enabling high reliability

  • Individual burn-in and thermal cycling screening

  • RoHS compliance

  • Seed source for spectral synthesis


ParametersSymb.Min.Typ.Max.Unit
Operating PowerPout50

mW
Operating CurrentIop
150220mA
Operating VoltageVop
1.73.5V
Kink-free output power*
1.1×Pout1.3×Pout
mW
Range of available wavelengthλ1020
1120nm
Mean wavelength tolerance


1nm
Linewidth at PoutΔλ

5MHz
Wavelength temperature tunabilityΔλ/ΔT
90110pm/°C
Wavelength current tunabilityΔλ/ΔI
46pm/mA
Sidemode suppression ratioSMSR45

dB
Threshold currentIth
2550mA
Polarization Extinction RatioPER15

dB
Test conditions: CW operation, chip temperature 25℃,the case is mounted on room temperature heatsink
/∆I > 0 (∆I=1mA)
ABSOLUTE MAXIMUM RATINGS
Parameters  Min. Value   Max. Value Unit
Laser Diode reverse voltage-2V
Laser Diode CW forward current-Iop+50   mA
Thermo Electric Cooler current-3A
Thermo Electric Cooler voltage-4V
Fiber bend radius-3cm
Chip operating temperature range545°C
Case operating temperature range070°C
Storage temperature range-4085°C

DFB Single Frequency Seed Source

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