Journal
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
Volume 15, Issue 5, Pages 1485-1499Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSTQE.2009.2021145
Keywords
Resonators; subwavelength grating; tunable optoelectronic devices; vertical-cavity surface-emitting laser (VCSEL); waveguides
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Funding
- Defense Advanced Research Projects Agency (DARPA) University Photonics Research (UPR) [HR0011-04-1-0040]
- National Science Foundation (NSF) [DGE-0333455]
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We review recent advances in subwavelength high-index-contrast gratings (HCGs) and a variety of applications in optoelectronic devices, including vertical-cavity surface-emitting lasers (VCSELs), tunable VCSELs, high-Q optical resonators, and low-loss hollow-core waveguides (HWs). HCGs can serve as broadband (Delta lambda/lambda similar to 35%), high-reflectivity (>99%) mirrors for surface-normal incident light, which is useful to replace conventional distributed Bragg reflectors in optical devices. HCGs can also be designed as high-Q resonators with output coupling in the surface-normal direction. Finally, we discuss a novel design of HCG as shallow angle reflectors and HWs.
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