1557nm Single frequency FBG stabilized Tunable Narrow Linewidth Laser Diodes


The PL-NL series Fiber Bragg Grating laser is single frequency laser diode module designed for optical measurement and communication. The laser is packaged in 14-pin standard butterfly package with monitor photodiode and thermo-electric cooler (TEC).The Single-Frequency Continuous Tuning Range: > 1.2 nm by adjust the Mini PZT Built in the laser diode. 



Product model


Name Model Price
1557nm SM FBG stabilized Tunable laser diode   [PDF]  [RFQ]

PL-NL-1557-A-A81-SA-PZT
Stock NO.: A80111081
[Please inquire]
1557nm PM FBG stabilized Tunable laser diode   [PDF]  [RFQ]

PL-NL-1557-A-A81-PA-PZT
Stock NO.: A80111082
[Please inquire]


Parameter



Features

● Optical output: 30mW

● Narrow linewidth (Δν<1MHz)

● Wavelength: 1557 @ 25℃

● SM or PM Fiber (ø0.9mm)

● FC-APC connector

● 14-pin butterfly package

● Internal monitor PD and TEC

● Low power consumption 


E/O Characteristics

Optical Characteristics (at 25 °C laser temperature)

Parameter

Symbol

Condition

Min.

Typical

Max.

Unit

Center Wavelength

λc

TL=15~35℃ CW

1556.5

1557.0

1558.5

nm

Peak Optical Output Power

PO

-

-

10

30

mW

Spectral linewidth

LW

-

-

1

10

MHz

Side-mode Suppression Ratio

SMSR

CW

30

40

-

dB

Optical solation

-

-10 < TC < +70 ºC

30

-

-

dB

Polarization Extinction Ratio

ER

-

20

-

-

dB

Relative Intensity Noise

RIN

CW, output power 5mW

-

-

-150

dB/HZ

Wavelength drift with case (-10 to 70 ºC) temperature

△λ

TL=15~35℃

-

-

±30

pm

Wavelength Temperature   coefficient

Δλ/ΔT

TL=15~35℃

-

15

30

pm/ºC

Wavelength Current   coefficient

Δλ/ΔΙ

-

-

1.5

2

pm/mA

Mode Hop Free Range

ΔI



30


mA

Single-Frequency Continuous Tuning

Range

Δf



3


GHz


Electrical Characteristics (at 25 °C laser temperature)

Parameter

Symbol

Condition

Min.

Typical

Max.

Unit

Threshold Current

ITH

-

-

45

65

mA

Slope Efficiency

ƞ

CW output power 30 mW

0.064

0.1

-

mW/mA

Operating current

Iop

CW

-

250

300

mA

TEC set temperature

Ts

-

15

-

35

Laser Forward Voltage

VF

CW output power 5 mW

-

1.3

1.8

V

Monitor Dark Current

ID

-

-

-

0.1

μA

Input Impedance

ZIN

-

22

25

28

Ω

Thermistor Current

ITC

-

10

-

100

μA

Thermistor Resistance

RTH

T=   25 °C

9.5

10

10.5

TEC Current

ITEC

TL = 25 °C, TC = 70 °C

-

-

1.8

A

TEC Voltage

VTEC

TL = 25 °C, TC = 70 °C

-

-

3.5

V

TEC capacity

ΔT

Tc = 70

-

-

50

°C

Tuning Range

Δf


1


1.5

nm

PZT Tuning Voltage

VT


0


150

V

Mode Hop Free Range

ΔI



30


mA


Fiber Pigtail Specifications

Parameters

Description

Fiber Type

PM fiber

Jacket Type

900μm loose tube

Pigtail Length

1.0±0.1m

Connector Type

FC/APC

PM fiber Connector Orientation

Please see the right figure

MM.jpg

Note: The PM fiber and the connector key are aligned to the slow axis,fast axis is blocked.


Spectrum

Copy20210624_015.jpeg

L-I Curve

1571.png


Linewidth Testing Result

BFBNLC53A310D.png


Wavelength VS PZT Voltage

0A)1~B[01{[S}R_T[U3D1S9.jpeg


Wavelength Stability Test Result

1557.jpg

Package Size

1052.png

Pin definition

164.png


1

Thermoelectric Cooler (+)

8

PZT tuning -

2

Thermistor

9

N/C

3

PD Monitor Anode (-)

10

laser Anode (+)

4

PD Monitor Cathode (+)

11

Laser Cathode (–)

5

Thermistor 

12

N/C

6

N/C

13

Case Ground

7

PZT tuning +

14

Thermoelectric Cooler (–)


Absolute Maximum Ratings

Item

Unit

Min

Typ

Max

Case Temperature

-5

25

70

Chip Temperature

+10

25

40

Operating Current

mA

0

150

200

Forward Voltage

V

0.8

1.2

1.8

TEC Current

A

-

1.2

1.4

Reverse VoltageLD

V

-

-

1.8

Application

● Laser interference experiment

● Drop-side of DWDM long-haul transport equipment

● Optical Test and Instrumentation

● Microwave Photonics

● CATV networks

● Sensors

Ordering Info

PL-NL-□□□□-☆-A8▽-XX-PZT

□□□□Wavelength

0633: 633nm

1550: 1550nm

1555: 1555nm

*****
1560:1560nm

1557: 1557nm

☆: Output Power

A10mW
B30mW

▽:Linewidth

1:<1MHz

XX: Fiber and Connector Type

SA=SMF-28E+ FC/APC
SP=SMF-28E+ FC/PC

PP=PM Fiber+ FC/PC

PA=PM Fiber+ FC/APC



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