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Parametric all-optical modulation on a chip
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DOI：10.1103/PhysRevApplied.21.064049.png)
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We demonstrate parametric all -optical modulation in a periodically poled lithium niobate microring resonator on a chip. It uses quantum Zeno blockade between two distinct waves, a signal and a pump, through their sum -frequency generation at a large per -photon efficiency of 8.2 MHz. With nanosecond pump pulses with 6-mW peak power, 85.7% modulation extinction is observed, achieving an efficiency increase of more than 30 times compared with previous implementations. With only 2-mW pump peak power, 43.0% modulation extinction is observed for a twice -as -strong signal of 4 mW. This demonstrates that optical transistors with cascadability and fan -out are possible with just parametric nonlinear optics. These results, together with inherent advantages in such photonic integrated circuits, open the door to scalable technology for all -optical and quantum information processing.
Keyword:
QUANTUM
EFFICIENT
PARADOX
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4.4
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7.1K
被引数:
2.8W
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