High Performance Wide Angle DBR Design for Optoelectronic Devices
To improve the performance of optoelectronic devices, a high performance wide angle SiO<sub>2</sub>/Ti<sub>3</sub>O<sub>5</sub> Distributed Bragg Reflector (DBR) mirror was designed and fabricated on double polished sapphire substrate. 17-pairs gradually varied DB...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
IEEE
2021-01-01
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| Series: | IEEE Photonics Journal |
| Subjects: | |
| Online Access: | https://ieeexplore.ieee.org/document/9319208/ |
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| Summary: | To improve the performance of optoelectronic devices, a high performance wide angle SiO<sub>2</sub>/Ti<sub>3</sub>O<sub>5</sub> Distributed Bragg Reflector (DBR) mirror was designed and fabricated on double polished sapphire substrate. 17-pairs gradually varied DBR structure was applied in order to acquire a broad stopband reflectivity over 95% from 400 nm to 800 nm, covering the whole visible light region. The DBR mirrors deposited at the backside of optoelectronics devices are also demonstrated to remain a high reflectivity at wide incident angles, which improves the emission efficiency of LEDs and light absorption efficiency of InGaN/GaN photoelectrochemical cell (PEC). |
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| ISSN: | 1943-0655 |