Directly modulated laser 10G DML Emcore or Agere 1861 Series 1310nm 1861C
The 1861 directly-modulated laser (DML) is a cost-effective solution for 10 Gb/s digital transmission of up to 60 km using traditional intra-city SMF-28™ single-mode fiber links. The 1310 nm wavelength eliminates the concern about dispersion control over most installed intra-city fiber plants. The package contains a high-speed DFB laser chip, thermoelectric cooler, thermistor, optical isolator, and a rear-facet monitor photodiode for external optical power control.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Absolute Maximum Ratings — Operating Case Temperature Range TCASE,OP [Absolute stress rating only;functional operation not implied] | min:-5 °C；max:80 °C |
| Absolute Maximum Ratings — Storage Case Temperature Range TCASE,STG [Absolute stress rating only;functional operation not implied] | min:-40 °C；max:85 °C |
| Absolute Maximum Ratings — Laser Forward Bias [Absolute stress rating only;functional operation not implied / TEC on] | max:150 mA |
| Absolute Maximum Ratings — Laser Reverse Voltage VR [Absolute stress rating only;functional operation not implied / Pin3;RF connection ac coupled] | max:1 V |
| Absolute Maximum Ratings — Laser Reverse Current IR [Absolute stress rating only;functional operation not implied / Pin3;RF connection ac coupled;literal source mA] | max:200 mA |
| Absolute Maximum Ratings — Photodiode Reverse Voltage VPD [Absolute stress rating only;functional operation not implied] | max:20 V |
| Absolute Maximum Ratings — TEC Current ITEC [Absolute stress rating only;functional operation not implied] | max:1.7 A |
| Electrical/Optical — Optical Output Power(EOL) Po [All electrical/optical measurements:TCASE,OP=-5 to80°C,Tlaser=30°C,I=Ib unless noted otherwise / EOL;Iop=ITH+30mA] | min:4 dBm；typical:6 dBm；max:7 dBm |
| Electrical/Optical — Wavelength λ [All electrical/optical measurements:TCASE,OP=-5 to80°C,Tlaser=30°C,I=Ib unless noted otherwise] | min:1290 nm；max:1320 nm |
| Electrical/Optical — Threshold Current(BOL) ITH [All electrical/optical measurements:TCASE,OP=-5 to80°C,Tlaser=30°C,I=Ib unless noted otherwise / BOL] | min:2 mA；max:30 mA |
| Electrical/Optical — Wavelength Tuning Coefficient ΔλT [All electrical/optical measurements:TCASE,OP=-5 to80°C,Tlaser=30°C,I=Ib unless noted otherwise] | typical:0.085 nm/°C |
| Electrical/Optical — ac Side-Mode Suppression Ratio SMSR [All electrical/optical measurements:TCASE,OP=-5 to80°C,Tlaser=30°C,I=Ib unless noted otherwise / Iop] | min:35 dB |
| Electrical/Optical — Optical Isolation [All electrical/optical measurements:TCASE,OP=-5 to80°C,Tlaser=30°C,I=Ib unless noted otherwise] | min:32 dB |
| Electrical/Optical — High-frequency Cutoff(-3dB) FHIGH [All electrical/optical measurements:TCASE,OP=-5 to80°C,Tlaser=30°C,I=Ib unless noted otherwise / Iop;100µH in series with pin3(laser cathode)] | min:14 GHz |
| Electrical/Optical — Low-frequency Cutoff(-3dB) FLOW [All electrical/optical measurements:TCASE,OP=-5 to80°C,Tlaser=30°C,I=Ib unless noted otherwise / Iop;100µH in series with pin3(laser cathode)] | max:30 kHz |
| Electrical/Optical — RF Return Loss,50Ω |S11| [All electrical/optical measurements:TCASE,OP=-5 to80°C,Tlaser=30°C,I=Ib unless noted otherwise / Iop;0.1 to8GHz] | min:10 dB |
| Electrical/Optical — Rise/Fall Time,10%–90% | max:50 ps |
| Electrical/Optical — Thermoelectric Cooler Current ITEC [All electrical/optical measurements:TCASE,OP=-5 to80°C,Tlaser=30°C,I=Ib unless noted otherwise] | max:1.3 A |
| Electrical/Optical — Thermistor Resistance RTH [All electrical/optical measurements:TCASE,OP=-5 to80°C,Tlaser=30°C,I=Ib unless noted otherwise / 25°C] | min:9.5 kΩ；typical:10 kΩ；max:10.5 kΩ |
| Electrical/Optical — Thermistor Resistance RTH [All electrical/optical measurements:TCASE,OP=-5 to80°C,Tlaser=30°C,I=Ib unless noted otherwise / 30°C] | min:7.6 kΩ；typical:8.0 kΩ；max:8.4 kΩ |
| Electrical/Optical — Thermistor Temp.Coefficient [All electrical/optical measurements:TCASE,OP=-5 to80°C,Tlaser=30°C,I=Ib unless noted otherwise] | typical:-4.4 %/°C |
| Electrical/Optical — Monitor Photodiode Current IMPD [All electrical/optical measurements:TCASE,OP=-5 to80°C,Tlaser=30°C,I=Ib unless noted otherwise / Iop] | min:40 µA；max:1500 µA |
| Electrical/Optical — Chromatic Dispersion Penalty | max:1.0 dB |
| Application — Standard reach [Application Overview:ITU G.691,GR-253 / L-64.1,OC-192LR-1;standard reach distinct from actual Model-column reach] | 0–40 km |
| Application — Model reach [Application Overview:ITU G.691,GR-253 / L-64.1,OC-192LR-1;standard reach distinct from actual Model-column reach] | 0–40 km |
Applications
Key Features
Datasheet
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Supplier Information
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