Journal
JOURNAL OF LIGHTWAVE TECHNOLOGY
Volume 29, Issue 11, Pages 1647-1651Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2011.2144564
Keywords
Magneto-optical effect; micro-ring resonator; nonreciprocal waveguide; optical isolators
Funding
- Ministry of Education of China [708038]
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We propose a nonreciprocal waveguide with different wavevectors for forward and backward propagations. Utilizing this nonreciprocal waveguide, we further compose a nonreciprocal micro-ring resonator, which possesses different phase shifts for clockwise and anticlockwise circulatings. Using this nonreciprocal resonator, more than 20 dB optical isolation can be achieved. This work demonstrates that on-chip optical isolations can be accomplished with simple nonreciprocal resonator components, which can show promising applications for integrated optoelectronic systems.
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