QLD106D-6450Cz series
1064 nm 50 mW DFB Laser BFY Module under CW Operation

C00287-02 August 2023

1. DESCRIPTIONThe QLD106D-6450Cz series is a 1064 nm-wavelength distributed feedback (DFB) laser for use in seeder and sensing
applications. The laser is assembled into a 14-pin butterfly package with an optical isolator, a monitor PD and athermo-electric cooler.

2.

FEATURES• Single longitudinal mode operation• Fiber-pigtailed 14-pin butterfly package with a monitor PD and a TEC• Optical isolator integration• Polarization maintaining fiber integration• CW operation

3.

APPLICATIONS• Seeder for fiber lasers• Sensing

4.

ABSOLUTE MAXIMUM RATINGSPARAMETER
Optical Output PowerLD Forward Current
LD Reverse Voltage
TEC Drive Current
TEC Drive Voltage
Operation Temperature
Storage Temperature
Lead Soldering Temperature (10 s)

SYMBOL
Pf
IF
VRLD
ITEC
VTEC
Tc
Tstg
Tsld

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RATING70300
224.3
0 to 60-40 to 85
260

UNIT
mW
mA
VA
V
C
C
C

QLD106D-6450Cz series
5.

C00287-02

OPTICAL AND ELECTRICAL CHARACTERISTICSPARAMETER
Peak Wavelength
Temperature Coefficient of pCurrent Coefficient of p
Fiber Output PowerThreshold Current
Operation Current
Operation Voltage
Sidemode Suppression Ratio
Polarization Extinction Ratio
Monitor PD Current
Thermistor Resistance

SYMBOLpdp/dTdp/dI
Pf
IthIop
Vop
SMSR
PER
Im
RthTEST CONDITION
CW, Pf =50 mW
CW
CW
CW
CW
CW, Pf =50 mW
CW, Pf =50 mW
CW, Pf =50 mW
CW
CW, Pf =50 mW
TLD = 25°C, B=3900K(TLD = 25°C, unless otherwise specified)
MIN
TYP
MAX
UNIT
1059.3 1064.3
1069.3
nm
0.08
nm/K
0.003
nm/mA50mW
25mA
180250mA
1.62V
30
50dB
1520dB
101001000
A
9.5
1010.5k(*1) Tighter wavelength tolerance of +/-1 nm and +/-0.5 nm is available as an option. Refer to product part number according towavelength tolerance.

6.

PRODUCT PART NUMBER

6-1. General naming rule
QLD106D-6450Cz
Symbolz

Description
Wavelenth tolerance

Parameternone: 1064.3 +/-5 nm
W64: 1064.3 +/-1 nm
TW64: 1064.3 +/-0.5 nm

6-2. Connector typePart Number
QLD106D-6450Cz
QLD106D-6450Cz11

Fiber Type
Polarization maintainingfiber

Fiber Diameter
900 μm
250 μm

6-3. Examples of product part number
Examples of product name
Part NumberDescription
QLD106D-6450C
1064.3 +/-5 nm, 900 μm Fiber
QLD106D-6450C11
1064.3 +/-5 nm, 250 μm Fiber
QLD106D-6450CW64
1064.3 +/-1 nm, 900 μm Fiber
QLD106D-6450CTW6411
1064.3 +/-0.5 nm, 250 μm Fiber

2/4Connector
FC/APCFerrule/APC

QLD106D-6450Cz series
7.

C00287-02

OUTLINE DRAWING(a) 900 μm fiber diameter and FC/APC connector type (QLD106D-6450Cz)(b) 250 μm fiber diameter and ferrule/APC type (QLD106D-6450Cz11)

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QLD106D-6450Cz series
8.

C00287-02

PIN CONFIGURATION
No.

Description

No.

Description

1

TEC (+)

8NC

2

Thermistor

9NC

3PD Anode10

Laser Anode4

PD Cathode11

Laser Cathode

5

Thermistor

12

NC

6

NC

13

Case Ground

7

NC

14

TEC (-)

9. NOTICE• Safety Information
This product is classified as Class 3B 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 2023 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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