QLD1a61-xxyyPzWtt series1m 100-300mW DFB Laser BFY Module under ns Pulsed Operation

C00281-02 March 2024

1. DESCRIPTIONThe QLD1a61-xxyyPzWtt series is a high power 1m-wavelength range distributed feedback (DFB) laser under nspulsed operation for use in seeder for fiber lasers and sensing applications. The laser is assembled into a 14-pin
butterfly package with an optical isolator, a monitor PD and a thermo-electric cooler.
2.

FEATURES• Single longitudinal mode operation• High peak output power of 300mW under pulsed operation• 3-20ns pulse width@300mW and 3-100ns pulse width@100mW available• Fiber-pigtailed 14-pin butterfly package with a monitor PD and a TEC• Optical isolator integration• Polarization maintaining fiber integration

3.

APPLICATIONS• Seeder for fiber lasers• Sensing

4.

ABSOLUTE MAXIMUM RATINGSPARAMETER
Optical Output power (CW)LD Forward Current (CW)
Peak Output power (Pulse 10 ns/1MHz)LD Peak Current (Pulse 10 ns/1MHz)LD Reverse Voltage
TEC Drive Current
TEC Drive Voltage
Operation Temperature
Storage TemperatureLead Soldering Temperature (10 s)

SYMBOLPfIF
Pf_pulse 300mW verison
Pf_pulse 100mW verison
IF_pulse 300mW verison
IF_pulse 100mW verison
VRLD
ITECVTECTc
Tstg
Tsld

1/6RATING
50
250
450
150
2600224.3
0 to 60-40 to 85
260

UNIT
mW
mA
mW
mW
A
mA
VAV
C
C
C

QLD1a61-xxyyPzWtt series
5.

C00281-02

OPTICAL AND ELECTRICAL CHARACTERISTICS

5-1. 300mW verison: QLD1a61-xxC0PzWtt
PARAMETERSYMBOLTEST CONDITION

pCW, Pf =30 mW

Temperature Coefficient of p
Threshold Current
CW Fiber Output PowerCW Operation Voltage
Pulsed Peak Output Powerdp/dTIthPfVop
Pf_peak

Pulsed Averaged Output PowerPf_ave

Pulse WidthRepetition ratetpw
RR

Sidemode Suppression Ratio

SMSR

Polarization Extinction Ratio
Monitor PD Current
Thermistor Resistance

PERIm
Rth

CW / Pulsed
CW / Pulsed
CWCW, Pf =30 mW
Pulsed, If_peak =1.5 A
Pulsed
10 ns/100kHz/1.5A
Pulsed, 100kHz/1.5A
Pulsed, 20 ns/1.5A
CW, Pf =30 mW
Pulsed 3 ns / 100 kHz /Pf_peak =300 mW
CWCW, Pf =30 mW
TLD = 25°C, B=3900K

Peak Wavelength(TLD = 25°C, unless otherwise specified)
MINTYPMAXUNIT
λp-5
λp+5λp(*1)
nm
(*2)
(*2)
0.08nm/K15mA
30mW
1.8V
300
340mW
300

340-

W

3
30

40201(*3)-nsMHzdB

2530-

dB

15
9.5

20
300
1010.5dB
Ak(*1) Available peak wavelength is from 1018 to 1122 nm and 1140 to 1188 nm.
(*2) Tighter wavelength tolerance of +/- 1nm and +/- 0.5nm is available as an option. Refer to product part number according towavelength tolerance(*3) Higher repetition rate is available with proper adjustment of a peak current and pulse width. Please ask QDL for more detail.

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QLD1a61-xxyyPzWtt series

C00281-02

5-2. 100mW verison: QLD1a61-xxA0PzWtt

PARAMETERSYMBOLTEST CONDITION

pCW, Pf =30 mW

Temperature Coefficient of pThreshold Current
CW Fiber Output PowerCW Operation Voltage
Pulsed Peak Output Powerdp/dTIthPfVop
Pf_peak

Pulsed Averaged Output PowerPf_avePulse Width
Repetition ratetpwRRSidemode Suppression Ratio

SMSR

Polarization Extinction Ratio
Monitor PD Current
Thermistor Resistance

PER
Im
Rth

CW / Pulsed
CW / Pulsed
CWCW, Pf =30 mW
5 ns / 100 kHz
Pulsed
10 ns/100kHz/300 mA
Pulsed, 100kHz//300 mA
Pulsed, 100 ns/ 300 mA
CW, Pf =30 mW
Pulsed 4 ns / 1 MHz /Pf_peak =50 mW
CW
CW, Pf =30 mW
TLD = 25°C, B=3900K

Peak Wavelength(TLD = 25°C, unless otherwise specified)
MIN
TYP
MAX
UNIT
λp-5λp+5λp(*1)
nm
(*2)
(*2)
0.08
nm/K
15mA30mW
1.8V
100mW-100-

W

330401001(*3)-nsMHzdB3040-dB

159.5

20300
1010.5dB
Ak(*1) Available peak wavelength is from 1018 to 1122 nm and 1140 to 1188 nm .
(*2) Tighter wavelength tolerance of +/- 1nm and +/- 0.5nm is available as an option. Refer to product part number according towavelength tolerance(*3) Higher repetition rate is available with proper adjustment of a peak current and pulse width. Please ask QDL for more detail.

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QLD1a61-xxyyPzWtt series6.

C00281-02

PRODUCT PART NUMBER

6-1 General naming rule
QLD1a61-xxyyPzWtt
Symbol

ItemConditionaMain wavelength range

1axx defines wavelength range in nm

xx

Main wavelength range

xx defines the last two digits of thewavelength range in nm

yy

Output power

Peak output powertt

Wavelenth

Detailed specification of wavelengthzW

Wavelenth tolerance

wavelenth tolerance

6-2 Connector typePart Number
QLD1a61-xxyyPzWtt
QLD1a61-xxyyPzWtt11

Fiber Type
Polarization maintaining
fiberParametera=0: 10xx nm range
a=1: 11xx nm range
xx=30:1030 nm range
xx=53:1053 nm range
xx=64:1064 nm range
xx=83:1083 nm range(examples)
yy=A0: 100 mW
yy=C0: 300 mW
xx=63: 1063 nm
xx=32: 1032 nm(examples)
none: +/-5 nm
W: +/-1 nm
TW: +/-0.5 nm

Fiber Diameter
900um
250um

6-3 Examples of product part number
Examples of product name
Part Number
Peak Wavelength (nm)1060nm +/-1nm, 100mW,
QLD1061-64A0PW60
900um Fiber
1032nm +/-0.5nm, 300mW,
QLD1061-30C0PTW3211
250um Fiber
1122nm +/-1nm, 100mW,
QLD1161-22A0PW2211
250um Fiber
1083nm +/-5nm, 300mW,
QLD1061-83A0P
900um Fiber

4/6Connector
FC/APC
Ferrule/APC

QLD1a61-xxyyPzWtt series
7.

C00281-02

OUTLINE DRAWING(a) 900um fiber diameter and FC/APC connector type (QLD1a61-xxyyPzWtt)(b) 250um fiber diameter and ferrule type (QLD1a61-xxyyPzWtt11)

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QLD1a61-xxyyPzWtt series
8.

C00281-02

PIN CONFIGURATION
No.

Description

No.

Description

1

TEC (+)

8

NC

2

Thermistor

9NC

3

PD Anode

10

Laser Anode4

PD Cathode11

Laser Cathode

5

Thermistor

12

NC6

NC13

Case Ground7NC

14TEC (-)

9. NOTICE• Safety Information
This product is classified as Class 4 laser product, and complies with 21 CFR Part 1040.10.
Please do not take a look at laser lighting in operations since laser devices may cause troubles to human eyes.
Please do not eat, burn, break and make chemical process of the products since they contain GaAs material.
• Handling products
Semiconductor lasers are easily damaged by external stress such as excess temperature and ESD.
Please pay attention to handling products, and use within range of maximum ratings.
QD Laser takes no responsibility for any failure or unusual operation resulting from improper handling, or unusualphysical or electrical stress.
• RoHSThis product conforms to RoHS compliance related Directive (EU) 2015/863.

QD Laser, Inc.
Contact : info@qdlaser.com

https://www.qdlaser.com

Copyright 2022-2024 All Rights Reserved by QD Laser, Inc.
Keihin Bldg. 1F 1-1 Minamiwatarida-cho, Kawasaki-ku, Kawasaki, Kanagawa Zip 210-0855 JapanAll company or product names mentioned herein are trademarks or registered trademarks of their respective owners. Information
provided in this data sheet is accurate at time of publication and is subject to change without advance notice.

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