Wavelength-independent coupler from fiber to an on-chip cavity, demonstrated over an 850nm span

Tal Carmon*, Steven Y.T. Wang, Eric P. Ostby, Kerry J. Vahala

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

A robust wide band (850 nm) fiber coupler to a whispering-gallery cavity with ultra-high quality factor is experimentally demonstrated. The device trades off ideality for broad-band, efficient input coupling. Output coupling efficiency can remain high enough for practical applications wherein pumping and power extraction must occur over very broad wavelength spans.

Original languageEnglish
Pages (from-to)7677-7681
Number of pages5
JournalOptics Express
Volume15
Issue number12
DOIs
StatePublished - 11 Jun 2007
Externally publishedYes

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