Highly Unidirectional Emission and Ultralow-Threshold Lasing from On-Chip Ultrahigh-Q Microcavities
Ultrahigh‐Q optical whispering gallery microcavities are promising platforms for fundamental studies and applied photonics. A new type of on‐chip microcavity is experimentally realized, which supports both highly unidirectional emission and ultra‐high‐Q factors exceeding 100 million in near infrared...
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| Veröffentlicht in: | Advanced materials (Weinheim) 2012-09, Vol.24 (35), p.OP260-OP264 |
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| container_end_page | OP264 |
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| container_issue | 35 |
| container_start_page | OP260 |
| container_title | Advanced materials (Weinheim) |
| container_volume | 24 |
| creator | Jiang, Xue-Feng Xiao, Yun-Feng Zou, Chang-Ling He, Lina Dong, Chun-Hua Li, Bei-Bei Li, Yan Sun, Fang-Wen Yang, Lan Gong, Qihuang |
| description | Ultrahigh‐Q optical whispering gallery microcavities are promising platforms for fundamental studies and applied photonics. A new type of on‐chip microcavity is experimentally realized, which supports both highly unidirectional emission and ultra‐high‐Q factors exceeding 100 million in near infrared. By doping erbium, the unidirectional‐emission lasing is observed in 1550 nm band with the threshold as low as 2 μW. |
| doi_str_mv | 10.1002/adma.201201229 |
| format | Article |
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A new type of on‐chip microcavity is experimentally realized, which supports both highly unidirectional emission and ultra‐high‐Q factors exceeding 100 million in near infrared. By doping erbium, the unidirectional‐emission lasing is observed in 1550 nm band with the threshold as low as 2 μW.</description><identifier>ISSN: 0935-9648</identifier><identifier>EISSN: 1521-4095</identifier><identifier>DOI: 10.1002/adma.201201229</identifier><identifier>PMID: 22887055</identifier><language>eng</language><publisher>Weinheim: WILEY-VCH Verlag</publisher><subject>Emission ; Erbium ; Lasers ; Lasing ; Materials science ; Microcavities ; microcavity ; Microtechnology - methods ; Optical Phenomena ; Silicon - chemistry ; Silicon Dioxide - chemistry ; ultrahigh quality factor ; ultralow threshold ; unidirectional emission ; whispering gallery mode</subject><ispartof>Advanced materials (Weinheim), 2012-09, Vol.24 (35), p.OP260-OP264</ispartof><rights>Copyright © 2012 WILEY‐VCH Verlag GmbH & Co. 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| source | MEDLINE; Wiley Online Library Journals Frontfile Complete |
| subjects | Emission Erbium Lasers Lasing Materials science Microcavities microcavity Microtechnology - methods Optical Phenomena Silicon - chemistry Silicon Dioxide - chemistry ultrahigh quality factor ultralow threshold unidirectional emission whispering gallery mode |
| title | Highly Unidirectional Emission and Ultralow-Threshold Lasing from On-Chip Ultrahigh-Q Microcavities |
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