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QD Laser's company logo and above it the message "Illuminate people's potential."

Quantum dot laser & Epitaxial wafer

1240nm - 1330nm 

We provide customized quantum dot lasers with excellent reliability at high temperatures and high optical feedback tolerance, ideal light sources for optical communications and silicon photonics, as well as epitaxial wafers, gain chips, TO-CAN packages, etc. according to customer requirements. We offer full support from prototyping to mass production. Please feel free to contact us with your desired specifications using the Contact form at the bottom of the page.

>> What is a quantum dot laser? (White Paper) <<

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QD Laser Epitaxial wafer on GaAs substrate
Enlarged photo of QD Laser quantum dot laser chip
A photo showing the high-density quantum dot structure
QD Laser Epitaxial wafer with grating

Wavelength

1240nm - 1330nm​

Type

・Epitaxial wafer

・FP-LD

・DFB-LD

​・Gain chip

​ (Please contact us for details.)

Foundry

service

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[Epitaxy]

(Delivery form: Epitaxial wafer)

High quality epitaxy on 3 inch or 4 inch GaAs substrates.

 The available layers are as follows.

・InAs quantum dot
・InGaAs quantum well

・GaAs

・AlGaAs

[1st epi, grating formation, regrowth]

(Delivery form: Epitaxial wafer with grating)

​Epitaxy on active layer, grating formation and regrowth.

[Wafer process]

(Delivery form: Wafer after wafer process)

Epitaxy, CAD, photo mask and wafer process.

[Bar cleaving or Chip fabrication]

(Delivery form: Bar or Chip)

Epitaxy, wafer process, bar cleaving, facet coating and chipping.

[TO-CAN packaging]

(Delivery form: 5.6mm TO-CAN package)

Epitaxy, wafer process, chipping and packaging into a 5.6mm TO-CAN.

Application

Light source for optical communication

Light source for silicon photonics (intra-data center communication, high performance computer, LiDAR, intra-vehicle communication, mobile infrastructure)

​Underground resources exploration (175-200degC)

Quantum Dot Laser standard product lineup

​ (including quantum dot laser for high temperature operation)

​Product Number

Wavelength

Output power

​LD type

Package

1240nm

5mW

DFB

14 pin BFY

1240nm

15mW

DFB

TO-56

1310nm

5mW

FP

TO-56

1310nm

10mW

FP

Chip

1310nm

16mW

FP

Chip

QLF1335-AE

For high temperature (up to 175degC)

1300nm

-

FP

TO-56

QLF1335-T200

For high temperature (up to 200degC)

1265nm

-

FP

TO-56

​Please feel free to contact us for product details or to request a quote.

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