850nm single mode fiber-coupled VCSEL laser diode (with TEC)

PL-VCSEL-1-A81 850nm VCSEL is a vertical emitting MOVPE grown GaAsP/AlGaAs single mode diode laser. Wavelength tuning can be achieved by laser current and temperature tuning. Built-in TEC and thermistor. Our 850 nm single mode VCSEL is designed for high speed, high performance communication applications.

Product features：Low temperature dependence of electrical and optical properties、 Vertical cavity surface emitting laser、 Internal TEC and thermistor, ESD protection、 Narrow line width、 2nm tunable

Application area：Long distance telephone access network、 Local area network、 Ethernet

Unit Price

Please contact customer service for a discounted quote.

Part Number

PL-VCSEL-W0850-1-A82-CPSA

Lead Time

Please contact customer service for lead time.

Stock

Please contact customer service for stock availability.

Add to Inquiry

Inquire online

General Parameters

Download Document

Dimensional Drawing

Parameters

Conditions: T_OP = 20°C, I_OP = 10.0 mA unless otherwise stated (T_OP = chip backside temperature, controlled by TEC)

Parameter	symbols	Min.	Typical	Max.	Unit	Remarks
Operating wavelength	λ_R	850nm
Threshold current	I_TH		1		mA
Output power	P_opt	0.5	1		mW
Threshold voltage	U_TH		1.8		V
Operating current	I_OP		3		mA	P_opt = 0.5mW
Operating voltage	U_OP		3		V	P_opt= 0.5 mW
Photoelectric conversion rate	η_WP		12		%	P_opt = 0.5 mW
Slope efficiency	η_S		0.3		W/A
Rise and fall time	T_r/T_f		90/120		Psec
Differential series resistance	R_S		100	200	Ω	P_opt= 0.5 mW
3dB modulation bandwidth	ν3dB	0.10	2.5		GHz	P_opt = 0.5 mW
3dB modulation bandwidth	ν3dB	0.10	2.5		GHz	Due to ESD protection diode
Relative noise intensity	RIN		-130	-120	dB/Hz	P_opt= 0.3 mW @ 1 GHz
Wavelength current tuning coefficient			0.6		nm/mA
Wavelength temperature tuning coefficient			0.06		nm/K
Thermistor (VCSEL chip)	R_thermal	3		5	K/mW
Side mode suppression ratio(SMSR)		35			dB	I = 2 mA
Beam divergence angle	θ	10		25	°	P_opt = 0.5mW, full width 1/e²
Spectral width			100		MHz	P_opt = 0.5 mW

*Above specifications are for device without connectors.

Tec Characteristics	Unit	Min.	Typical value	Max.	Remarks
Tec current	mA	-150(Heating)		+300(Cooling)	Proper Heart Sink Required
NTC Thermistor	KΩ	9.5	10.0	10.5	T=25℃@10 KΩ
NTC Thermistor	KΩ	10/exp{3892-(1/289K-I/TOP)}

Spectrum

图片1.png

L-I Curve (T@25°C)

Temperature/wavelength tuning curve @TEC current:

Laser spot image (2D/3D):

Beam Profile

In the far field, the intensity distribution of a single-mode VCSEL is a perfect Gaussian shape.

Absolute Maximum Parameters

Parameter	Unit	Min.	Typical value	Max.
Storage 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
Power consumption	mw	-	-	5

(*TEC temperature must be below 150℃)

Ordering information

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

Product Recommendation