980nm EDFA Laser Module

980nm EDFA Laser Module
980nm EDFA Laser Module
980nm EDFA Laser Module
980nm EDFA Laser Module
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Features
  • Kink-free operating power up to 200mW
  • epoxy-free, and flux-free 14-PIN butterfly package with
  • SM Hi1060
  • Fiber Bragg grating stabilization,
  • Wavelength selection available
  • Integrated thermoelectric cooler, thermistor, and monitor diode
  • Excellent low power stability
Applications
  • Next generation dense wavelength division multiplexing(DWDM) erbium doped fiber amplifiers(EDFA)
  • Reduced pump-count EDFA architectures
  • Very long distance cable television(CATV) trunks and very high node count distribution
Description

The series 980nm pump module utilizes a planar construction with chip on subcarrier. The high power chip is hermetically sealed in a epoxy-free and flux-free 14-pin butterfly package and fitted with a thermistor, thermoelectric cooler, and monitor diode.

The series pump module uses FBG stabilization to ”lock” the emission wavelength. It provides a noise-free narrowband spectrum, even under changes in temperature, drive current, and optical feedback. Wavelength selection is available for applications that require the highest performance in spectrum control with the highest available powers. This module complies described in Telcordia GR-468-CORE requirement.

Absolute Maximum Ratings
Parameter Symbol Min. Typical Max. Unit Notes
Operating Case Temperature Tcase -20 - 75 -
Storage Temperature Tstg -40 - 85 2000hours
LD Forward Current If - - 700 mA -
LD Reverse Current Ir - - 10 uA -
LD Reverse Voltage Vr - - 2 V -
PD Forward Current IPD - - -10 mA -
PD Reverse Voltage VPD - - 20 V -
TEC Current Itec - - 2 A -
TEC Voltage Vtec - - 3 V -
Fiber Bend Radius - 30 - - mm -
Relative Humidity RH 0 - 95% - Non condensing
Lead Soldering Time - - - 10 Second 260℃
Fiber Axial Pull Force - - - 5 N -
Fiber Side Pull Force - - - 2.5 N -
Optical & Electrical Characteristics(Tc=25 ℃, unless otherwise noted)
Parameters Sym Min. Typ Max. Unit Notes
LD Threshold Current Ith - 45 55 mA CW
Outpower Pf - - 200 mW If(BOL)< 470mA
LD Forward Current If - - 470 mA Pf=Rated Power
Kink Free Power Pkink 300 - - mW >=1.2*Rated Power
Kink Free Current Ikink >=1.2*If(BOL) mA [1]
LD Forward Voltage Vf - - 2.5 V Pf=Rated Power
Center Wavelength λc 973 974 975 nm Peak,Pf=Rated Power
975 976 977
Peak Wavelength Turning △λp/△Tamb - - 0.02 nm/℃ T: FBG Temp.
Spectrum Width △λ - - 2 nm RMS@-13dB
Spectrum Stability - -0.5 - 0.5 nm Pf=Rated Power,t=60s
Monitor Responsivity Im/Pf - 1 20 uA/mW VPD=5V,Pf=Rated Power
Monitor Responsivity Stability - - - 20% - @All Operating Temperature
Monitor Dark Current Id - - 50 nA VPD=5V
TEC Current Itec - - 1.5 A Tcase=75℃
TEC Voltage Vtec - - 3 V Tcase=75℃
TEC Modual Power Consumption P - - 5 W Tcase=75℃
Power Stability >20mW 10-20mW 3.5-10mW - - - 0.2 0.5 1 dB Peak-to-peak,t=60s, DC to 50kHz sampling, TC=25℃
Tracking Error TE -0.5 - 0.5 dB TC=-20~75℃,Refered to [2]
Thermistor Resistance Rth 9.5 10 10.5 Kohm Tstg=25℃
Thermistor B constant Bth - 3900 - k Tstg=25℃

Notes:
[1] Kink Current is defined as the current which deviation of light versus current slop(dL/dI)from a linear fit is beyond +/-50%,Pkink>=1.2*Rated Power,Ikink>=If(BOL)*1.2
[2] Tracking error is defined at a given case temperature,it is the change in fibre power,at a constant monitor current, relative to the value measured at case 25℃

Pin Description
PIN DESIGNATIONS PIN DESIGNATIONS
1 TEC(+) 14 TEC(-)
2 Thermistor 13 Case Ground
3 PD Anode 12 NC
4 PD Cathode 11 LD Cathode
5 Thermistor 10 LD Anode
6 NC 9 NC
7 NC 8 NC
Package Outline

Dimensions are in millimeters. All dimensions are ±0.1mm unless otherwise specified. (Unit: mm).

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