Yiming Zhong, Linjie Zhou, Yanyang Zhou, Yujie Xia, Siqi Liu, Liangjun Lu, Jianping Chen, Xingjun Wang, "Microwave frequency upconversion employing a coupling-modulated ring resonator," Photonics Res. 5, 689 (2017)
- Photonics Research
- Vol. 5, Issue 6, 689 (2017)
Fig. 1. (a) Schematic structure of the coupling-modulated silicon ring resonator. Inset depicts the cross-sectional view of rib waveguides. (b) Resonance ER change upon modulation. (c) A frequency-doubled microwave signal is generated by beating the ± 1
Fig. 2. Evolution of a resonance notch profile with the bias voltage V 2 V 1
Fig. 3. Extracted waveguide effective refractive index change as a function of PN junction bias voltage.
Fig. 4. SR changing with the input microwave power. V 1 V 2
Fig. 5. Experimental setup for microwave frequency upconversion measurement.
Fig. 6. Output optical spectrum when the critically coupled microring resonator is modulated by a 7 GHz microwave signal with (a) 5 and (b) 10 dBm power. Output electrical spectrum when the input microwave frequency increases from 3 to 9 GHz with (c) 5 and (d) 10 dBm power.
Fig. 7. Modeled and measured SR at various microwave frequencies for 5 and 10 dBm input microwave power, respectively.
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