Four port fused taper acousto-optic devices using standard singlemode telecommunications fibre

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Abstract

Tapered fibre null couplers are used to form high performance acousto-optic devices for 1.55 µm operation. Standard singlemode telecommunications fibre is used throughout, yielding devices with identical ports. The two devices described are shown to have acousto-optic resonances at 1.5 and 10.6 MHz, with greater than 99% acousto-optic coupling for RF drive powers of 0.5 and 2.6 mW.

References

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