Broadband infrared light emitting waveguides based on UV curable PbS quantum dot composites

Kai Shen; Sarfaraz Baig; Guomin Jiang; Young Hun Paik; Sung Jin Kim; Michael Renxun Wang

doi:10.1117/12.2287464

Broadband infrared light emitting waveguides based on UV curable PbS quantum dot composites

Kai Shen, Sarfaraz Baig, Guomin Jiang, Young Hun Paik, Sung Jin Kim, Michael Renxun Wang

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Scopus citations

Abstract

We present herein the active PbS-photopolymer waveguide fabricated by vacuum assisted microfluidic (VAM) soft lithography technique. The PbS Quantum Dots (QDs) were synthesized using colloidal chemistry methods with tunable sizes and emission wavelengths, resulting in efficient light emission around 1000 nm center wavelength. The PbS QDs have demonstrated much better solubility in our newly synthesized UV curable polymer than SU-8 photoresist, verified by Photoluminescence (PL) testing. Through refractive index control, the PbS QDs-polymer core material and polymer cladding material can efficiently confine the infrared emitting light with a broad spectral bandwidth of ∼180 nm. Both single-mode and multi-mode light emitting waveguides have been realized.

Original language	English (US)
Title of host publication	Optical Interconnects XVIII
Publisher	SPIE
Volume	10538
ISBN (Electronic)	9781510615618
DOIs	https://doi.org/10.1117/12.2287464
State	Published - Jan 1 2018
Event	Optical Interconnects XVIII 2018 - San Francisco, United States Duration: Jan 29 2018 → Jan 31 2018

Other

Other	Optical Interconnects XVIII 2018
Country	United States
City	San Francisco
Period	1/29/18 → 1/31/18

Keywords

Light Source
Microfluidic
Quantum Dot
UV lithography
Waveguide

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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10.1117/12.2287464

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Cite this

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title = "Broadband infrared light emitting waveguides based on UV curable PbS quantum dot composites",

abstract = "We present herein the active PbS-photopolymer waveguide fabricated by vacuum assisted microfluidic (VAM) soft lithography technique. The PbS Quantum Dots (QDs) were synthesized using colloidal chemistry methods with tunable sizes and emission wavelengths, resulting in efficient light emission around 1000 nm center wavelength. The PbS QDs have demonstrated much better solubility in our newly synthesized UV curable polymer than SU-8 photoresist, verified by Photoluminescence (PL) testing. Through refractive index control, the PbS QDs-polymer core material and polymer cladding material can efficiently confine the infrared emitting light with a broad spectral bandwidth of ∼180 nm. Both single-mode and multi-mode light emitting waveguides have been realized.",

keywords = "Light Source, Microfluidic, Quantum Dot, UV lithography, Waveguide",

author = "Kai Shen and Sarfaraz Baig and Guomin Jiang and Paik, {Young Hun} and Kim, {Sung Jin} and Wang, {Michael Renxun}",

year = "2018",

month = jan,

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doi = "10.1117/12.2287464",

language = "English (US)",

volume = "10538",

booktitle = "Optical Interconnects XVIII",

publisher = "SPIE",

address = "United States",

note = "Optical Interconnects XVIII 2018 ; Conference date: 29-01-2018 Through 31-01-2018",

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TY - GEN

T1 - Broadband infrared light emitting waveguides based on UV curable PbS quantum dot composites

AU - Shen, Kai

AU - Baig, Sarfaraz

AU - Jiang, Guomin

AU - Paik, Young Hun

AU - Kim, Sung Jin

AU - Wang, Michael Renxun

PY - 2018/1/1

Y1 - 2018/1/1

N2 - We present herein the active PbS-photopolymer waveguide fabricated by vacuum assisted microfluidic (VAM) soft lithography technique. The PbS Quantum Dots (QDs) were synthesized using colloidal chemistry methods with tunable sizes and emission wavelengths, resulting in efficient light emission around 1000 nm center wavelength. The PbS QDs have demonstrated much better solubility in our newly synthesized UV curable polymer than SU-8 photoresist, verified by Photoluminescence (PL) testing. Through refractive index control, the PbS QDs-polymer core material and polymer cladding material can efficiently confine the infrared emitting light with a broad spectral bandwidth of ∼180 nm. Both single-mode and multi-mode light emitting waveguides have been realized.

AB - We present herein the active PbS-photopolymer waveguide fabricated by vacuum assisted microfluidic (VAM) soft lithography technique. The PbS Quantum Dots (QDs) were synthesized using colloidal chemistry methods with tunable sizes and emission wavelengths, resulting in efficient light emission around 1000 nm center wavelength. The PbS QDs have demonstrated much better solubility in our newly synthesized UV curable polymer than SU-8 photoresist, verified by Photoluminescence (PL) testing. Through refractive index control, the PbS QDs-polymer core material and polymer cladding material can efficiently confine the infrared emitting light with a broad spectral bandwidth of ∼180 nm. Both single-mode and multi-mode light emitting waveguides have been realized.

KW - Light Source

KW - Microfluidic

KW - Quantum Dot

KW - UV lithography

KW - Waveguide

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DO - 10.1117/12.2287464

M3 - Conference contribution

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BT - Optical Interconnects XVIII

PB - SPIE

T2 - Optical Interconnects XVIII 2018

Y2 - 29 January 2018 through 31 January 2018

ER -