All dielectric integrable optical isolators
8 February 2024
Marian Bogdan Sirbu,
Uses 5-layer dielectric heterostructure with magneto-optic material
Leverages transverse magneto-optical Kerr effect for non-reciprocity
Strategically placed ring resonator redirects backward propagation
Achieves 20dB isolation ratio with 0.08dB insertion loss
Compatible with low-gyrotropy magneto-optic materials
Unidirectional light propagation in dielectric waveguides
This paper proposes an integrated optical isolator made of dielectric materials, using magneto-optic effects to break reciprocity. It achieves over 20dB isolation ratio between forward and backward light propagation directions with minimal losses.
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