850nm SM Fiber coupled VCSEL Laser diode for 4.25Gbps High speed Communication   2021-11-27    


The PL-VCSEL-1-A81 850nm VCSEL 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 Fiber coupled VCSEL Laser diode  [PDF]  [RFQ]

PL-VCSEL-W0850-1-A82-CPSA
Stock NO.: A80041016
USD 0.00 


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

E/O Characteristics

Condition:TO P = 20°C, IO P = 10.0 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

0.5

1


mW


Threshold Voltage

UTH


1.8


V


Driving Current

IOP


3


mA

Popt = 0.5mW

Laser voltage

UOP


3


V

Popt = 0.5 mW

Electro optic conversion rate

ηWP


12


%

Popt = 0.5 mW

Slope efficiency

ηS


0.3


W/A


Rise and Fall time

Tr   /Tf


90/120


Psec


Differential series resistance

RS


100

200

Ω

Popt = 0.5 mW

3dB bandwidth

ν3dB

0.10

2.5


GHz

Popt = 0.5 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


35



dB

I = 2 mA

Beam divergence

θ

10


25

°

Popt = 0.5mW, full width 1/e2

Spectral Width



100


MHz

Popt = 0.5 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

图片1.png


L-I Curve(T@25°C)

850h2.png

Temperature / wavelength tuning over TEC current*

850h3.png

Beam Quality Profiler (2D/3D) 

9D5D80AEDFC6DFF0D8321012F3BEE1B9.png    

2D


813D06EC9888FB3864CB5D44DA213866.png

3D

Beam profile

In the far field, the intensity distribution of the single-mode VCSEL is perfectly Gaussian shaped

850nm single mode vcsel beam profil.jpg

Package Size

850h4.png

Pin definition

TO package Bottom side View

图片2.png


Pin

Definitions

Pin

Definitions

1

TEC ( - )

5

TEC  ( + )

2

THERMISTOR ( + )

6

THERMISTOR

3

NA

7

NA

4

VCSEL   Cathode

8

VCSEL anode


Absolute Maximum Ratings

Item

Unit

Min

Typ

Max

Store Temperature

 

-40

25

125

Chip Temperature

+10

25

40

Operating Current

mA

0

3.0

5.0

Forward Voltage

V

0.8

3.0

4.8

TEC Current

mA

-150

-

+300

Soldering Temperature*

100

130

260

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-□□□□-☆-A8▽-XX

□□□□:Wavelength

0760: 760nm

0850: 850nm

*****

1550:1550nm

☆ :TEC

0:Without TEC

1:With TEC

▽:Wavelength Tolerance

1:±0.5nm

2:±1.5nm

XX: 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

PA=PM Fiber+ FC/APC



By using this website and services, you agree to our use of cookies. Cookies enable us to better provide member services and record your browsing records in a short time. OK Learn more
close[X]
Your shopping cart
Model Quantity Price Subtotal
Total price:USD:0
View shopping cart Settlement