Sökning: L773:0277 786X OR L773:1996 756X OR L773:9781510609594
> (2020-2024) >
GaN-based vertical-...
GaN-based vertical-cavity surface-emitting laser incorporating a TiO2 high-index-contrast grating
-
- Chang, Tsu-Chi (författare)
- National Chiao Tung University
-
- Hashemi, Seyed Ehsan, 1986 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
-
- Bengtsson, Jörgen, 1968 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
-
visa fler...
-
- Gustavsson, Johan, 1974 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
-
- Haglund, Åsa, 1976 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
-
- Lu, Tien-Chang (författare)
- National Chiao Tung University
-
visa färre...
-
(creator_code:org_t)
- SPIE, 2020
- 2020
- Engelska.
-
Ingår i: Proceedings of SPIE - The International Society for Optical Engineering. - : SPIE. - 0277-786X .- 1996-756X. ; 11280
- Relaterad länk:
-
https://doi.org/10.1...
-
visa fler...
-
https://research.cha...
-
visa färre...
Abstract
Ämnesord
Stäng
- We demonstrate the first electrically injected GaN-based VCSEL with a TiO2 high-contrast grating (HCG) as the top mirror. The TiO2-HCG rested directly on the n-GaN without an airgap for mechanical stability. A VCSEL with an aperture diameter of 10 mu m had a threshold current of 25 mA under pulsed operation at room temperature. Multiple longitudinal modes coexist around 400 nm, each TM-polarized with a linewidth of 0.5 nm (spectral resolution limited). This first demonstration of a TiO2-HCG VCSEL offers a new route to achieve polarization pinning and could also allow additional benefits such as post-growth setting of resonance wavelength.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- electrically driven device
- TiO2
- polarization selectivity
- vertical-cavity surface-emitting laser
- GaN
- VCSEL
- high-index-contrast grating
- HCG
- micro-cavity
Publikations- och innehållstyp
- kon (ämneskategori)
- ref (ämneskategori)
Hitta via bibliotek
Till lärosätets databas