850nm SM VCSEL Laser diode for High speed Communication     


The PL-VCSEL-850-1-1-SA-14BF is a vertical emitting MOVPE grown GaAsP/AlGaAs Single Mode diode laser. The chips Packaged with 14pin Butterfly Package. Wavelength tuning can be achieved via laser current and temperature tuning. package with TEC and PD Built in. Our 850 nm single mode VCSEL is designed for high-speed, high-performance communication applications. 



Product model


Name Model Price
850nm SM VCSEL Laser diode   [PDF]  [RFQ]

PL-VCSEL-0850-1-1-BFSA
Stock NO.: A80040014
[Please inquire]


Parameter



Features

● Low dependence of electrical and optical characteristics over temperature

● Data rates from OC-3 to OC-48

● Vertical Cavity Surface-Emitting Laser

● Internal TEC and Thermistor, ESD protection

● Narrow linewidth

● 2 nm tunability with TEC

Laser Specifications

Condition:TO P = 20°C, IO P = 2.0 mA unless otherwise stated (TO P = chip backside temperature, controlled by the TEC)

Parameters

Symbol

Min

Typ

Max

Unit

Remark

Emission Wavelength

λR

850nm

Threshold current

ITH


1


mA


Output Power

Popt

0.2

0.50.7

mW


Threshold Voltage

UTH


1.8


V


Driving Current

IOP



5

mA

Popt = 0.3 mW

Laser voltage

UOP


2


V

Popt = 0.3 mW

Electro optic conversion rate

ηWP


12


%

Popt = 0.3 mW

Slope efficiency

ηS


0.3


W/A


Differential series resistance

RS


300

500

Ω

Popt = 0.3 mW

3dB bandwidth

ν3dB

0.10



GHz

Popt = 0.3 mW Due to ESD protection diode

Relative intensity noise

RIN


-130

-120

dB/Hz

Popt = 0.3 mW @ 1 GHz

Wavelength tuning over current



0.6


nm/mA


Wavelength tuning over temperature



0.06


nm/K


Thermal resistance  (VCSEL chip)

Rthermal

3


5

K/mW


Side mode supression


25



dB

I  = 2 mA

Beam divergence

θ

10


25

°

Popt = 0.3 mW, full width 1/e2

Spectral Width



100


MHz

Popt = 0.3 mW


Tec Characteristics

Unit

Min

Typ

Max

Remark

Tec Current

mA

-150(Heating)


+300(Cooling)

Proper   Heart   Sink Required

NTC Thermistor Resistance

9.5

10.0

10.5

T=25@10 KΩ

NTC Thermistor Resistance

10/exp{3892-(1/289K-I/TOP)}


Spectrum

850.1.jpg

L-I Curve(T@25°C)

850.2.jpg

Tuning Characteristics

850.jpg

Beam Quality Profiler (2D/3D) 

9D5D80AEDFC6DFF0D8321012F3BEE1B9.png    

2D


813D06EC9888FB3864CB5D44DA213866.png

3D

Temperature / wavelength tuning over TEC current*

850v2.png

Package Size

850v3.png

Pin definition

123.png

1

Thermoelectric Cooler (+)

8

N/C

2

Thermistor

9

N/C

3

PD Monitor Anode (-)

10

N/C

4

PD Monitor Cathode (+)

11

Laser Anode (+)

5

Thermistor 

12

Laser Cathode (–)

6

N/C

13

N/C

7

N/C

14

Thermoelectric Cooler (–)


Absolute  Maximum Ratings

Item

Unit

Min

Typ

Max

Store Temperature

-40

25

125

Chip Temperature

+10

25

40

Operating Current

mA

0

2

2.5

Forward Voltage

V

0.8

1.2

1.8

TEC Current

mA

-150

-

+300

Soldering Temperature*

100

130

270

Electrical Power   Dissipation

mw

-

-

5

(*TEC temperature must be below 150°C) 

Application

● Access network for long distance

● Local area network

● Gigabit Ethernet

Ordering Info

PL-VCSEL- □□□□-☆-▽-XXXX

□□□□:Wavelength

0760: 760nm

0850: 850nm

*****

1653.7: 1653.7nm

☆ :TEC

0:Without TEC

1:With TEC

▽:Wavelength Tolerance

1:±0.5nm

2:±1.5nm

XXXX: Fiber and Connector Type

FS=Free Space

BFSA=Butterfly Package with HI780+ FC/APC

CPSA=Coaxial Package with HI780+ FC/APC

BFSP=Butterfly Package with HI780+ FC/PC

CPSP=Coaxial Package with HI780+ FC/PC

BFPP=PM Fiber+ FC/PC

BFPA=PM Fiber+ FC/APC



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