Research whispering gallery microcavity optical mode characteristics and micro-cavity lasers View Homepage


Ontology type: schema:MonetaryGrant     


Grant Info

YEARS

2008-2010

FUNDING AMOUNT

340000 CNY

ABSTRACT

By connecting output waveguides to the circular cavity, we found that mode coupling between two whispering-gallary modes with near wavelengths results in coupled mode with polygonal field distribution and directional, which can be used for realizing directional emission and even three-port or four-port output. Coupled microcircular resonators tangentially coupled to a middle bus waveguide were simulated and high efficiency directional emission was predicted. Furthermore, the travelling wave modes also can have high modes Q factors in the coupled circular resonators strong coupled to the bus waveguide. Equilateral triangle, square, cicular and coupled cicular microcavity lasers were fabricated based on planar technology, and continuous wave electrically injected operations were realized at room temperature. Our research works were awarded 2008, 2009 and 2010 Chinese optics important achievements by "Laser and Optoelectronics Progress" magazine. Compound Semiconductors magazine also reported our publication about two-port square microcavity laser, and stated that " A team of researchers at the Chinese Academy of Sciences has built the first square microlasers featuring output ports on opposite corners." In the three years, we published 22 SCI papers, applied 6 invention patents, gave 7 invited talks at internation More... »

URL

http://npd.nsfc.gov.cn/projectDetail.action?pid=60777028

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