Chinese Optics Letters, Volume. 22, Issue 2, 020041(2024)
Photonic integrated optical phased arrays and their applications [Invited]
Fig. 3. 3D view of the 1.5D OPA[5]. The inset shows the far-field image.
Fig. 7. (a) Layout of integrated silicon OPA chip[12]. (b) SEM image of the 3D interlayer coupler.
Fig. 10. (a) Schematic illustration of the 8 × 8 active OPA by MIT[17]. The phase of each pixel is continuously tuned by thermo-optic effect through an integrated doped heater.
Fig. 11. (a) Structure of the implemented 8 × 8 OPA with 16 phase shifters[18]. (b) Structures of the grating couplers and directional couplers. (c) Microphotograph of the implemented 8 × 8 OPA chip.
Fig. 12. (a) Schematic of the solid-state 3D imaging LiDAR[19]. (b) Schematic of a receiver block in receiver focal plane array (FPA).
Fig. 13. (a) Perspective view schematic of the focal plane switch array (FPSA)[20]. (b) Schematic of a 1D beam scanner. (c) Top-view schematic of the focal plane switch array design. (d) Schematics of the MEMS optical switches and grating antennas in the on/off states.
Fig. 14. Schematics of different phase modulators. (a) Directly resistor heated TO phase modulator. (b) Resistor heated TO phase modulator. (c) Carrier injection (p-i-n) EO phase modulator. (d) Carrier depletion (p-n) EO phase modulator.
Fig. 18. Schematic of high-SLSR Gaussian power distribution OPA[39].
|
|
|
Get Citation
Copy Citation Text
Zhipeng Ma, Yuanjian Wan, Hang Liang, Yao Fu, Guobiao Tang, Xiaoyang Zhao, Shiao Zhao, Haibo Kuang, Yu Zhang, Jian Wang, "Photonic integrated optical phased arrays and their applications [Invited]," Chin. Opt. Lett. 22, 020041 (2024)
Special Issue: SPECIAL ISSUE ON THE 20TH ANNIVERSARY OF WUHAN NATIONAL LABORATORY FOR OPTOELECTRONICS (WNLO)
Received: Nov. 2, 2023
Accepted: Jan. 22, 2024
Published Online: Mar. 1, 2024
The Author Email: Yu Zhang (yuzhang87@hust.edu.cn), Jian Wang (jwang@hust.edu.cn)