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A 10-channel Multiple Quantum Well Array Integrated with Selective Area Grown InGaAsP Layers on InP
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- Authors
- Ki Soo Kim, Oh Kee Kwon, Su Hwan Oh, Chul Wook Lee, Young Ahn Leem, Eun Soo Nam, Won Seok Han, Yudong Jang, Donghan Lee
- Issue Date
- 2018-11
- Citation
- Applied Science and Convergence Technology, v.27, no.6, pp.153-155
- ISSN
- 1225-8822
- Publisher
- 한국진공학회
- Language
- English
- Type
- Journal Article
- Project Code
- 18HB3300, Development of low-cost tunable laser for mobile front-haul network, Kisoo Kim
- Abstract
- We present a ten-channel selective area grown multiple quantum well array with a wavelength of 8 nm spacing which can offer the tailored bandgap to each channel for application of monolithically integrated multi-channel devices.Scanning electron microscope images and photoluminescence spectra of the selective area grown layers for all channels are examined and analysed experimentally. We find out that, as a function of opening width, the thickness of selective area grown layers is linearly changed and the photoluminescence peak wavelength of selective area grown multiple quantum well array is varied with a quadratic shape. As a result, it is confirmed that extremely uniform and stable selective area grown layers can be obtained at the opened area between the adjacent mask patterns without significant degradation in spectral quality.
- KSP Keywords
- Multiple-quantum-well(MQW), Opening width, Peak wavelength, Photoluminescence spectra, Quantum Well(QW), Scanning electron microscope images, Selective area, monolithically integrated, multi-channel, spectral quality