Photonics Research, Volume. 12, Issue 3, 423(2024)
Mode-insensitive and mode-selective optical switch based on asymmetric Y-junctions and MMI couplers
Fig. 1. (a) Schematic diagram of the proposed device. Enlarged view for (b) the asymmetric Y-junction and (c) the MMI coupler. (d) Cross-section for the modulation region.
Fig. 2. (a) Thermal field distribution of the device when Heater-1 is turned on. (b) Simulated transmission of the
Fig. 3. (a) Thermal field distribution of the device when Heater-2 is on. (b) Simulated transmission of the
Fig. 4. (a) Steps in the fabrication of the proposed MWOS with polymer materials. The top-view microscope images of (b) the asymmetric Y-junction and (c) the MMI couplers. Microscope images of (d) the electrode heater and (e) an end face of the fabricated device.
Fig. 5. (a) Measured transmission of the
Fig. 6. (a) Measured transmission of the
Fig. 7. Measured dynamic switching of the proposed MWOS when the (a)
Fig. 8. Schematic structure of an eight-mode multifunctional switch.
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Shijie Sun, Qidong Yu, Yuanhua Che, Tianhang Lian, Yuhang Xie, Daming Zhang, Xibin Wang, "Mode-insensitive and mode-selective optical switch based on asymmetric Y-junctions and MMI couplers," Photonics Res. 12, 423 (2024)
Category: Integrated Optics
Received: Oct. 19, 2023
Accepted: Dec. 26, 2023
Published Online: Feb. 18, 2024
The Author Email: Xibin Wang (xibinwang@jlu.edu.cn)
CSTR:32188.14.PRJ.509773