REFERENCES
1. Alkhazragi, O.; Trichili, A.; Kang, C. H.; et al. Toward wide-field-of-view and large area optical detectors for high-speed optical wireless communication. IEEE. Commun. Mag. 2023, 61, 162-7.
2. Yamada, Y.; Hiraoka, I.; Maeda, Y.; Kosuga, S.; Nakamura, T.; Nakajima, F. High-speed vertical-illumination photodiode for beyond-200-gbaud applications. NTT. Technical. Review. 2026, 24, 47-54.
3. Umezawa, T.; Kusakata, K.; Kanno, A.; Matsumoto, A.; Yamamoto, N.; Kawanishi, T. Large active area, high-speed photoreceiver for optical wireless communications. In 2018 International Topical Meeting on Microwave Photonics (MWP), Toulouse, France, October 22-25, 2018; IEEE, 2018; pp 1-4.
4. Sarbazi, E.; Kazemi, H.; Crisp, M.; et al. Design and optimisation of high-speed receivers for 6G optical wireless networks. arXiv 2022, arXiv:2212.14830.
5. Srinivasan, M.; Song, J.; Grabowski, A.; et al. End-to-end learning for VCSEL-based optical interconnects: state-of-the-art, challenges, and opportunities. J. Lightwave. Technol. 2023, 41, 3261-77.
6. Bashir, M. S.; Zeeshan, Ahmed. Q.; Alouini, M. Optimal photodetector size for high-speed free-space optics receivers. IEEE. Trans. Wireless. Commun. 2024, 23, 16390-403.
7. Umezawa, T.; Dat, P. T.; Kanno, A.; Yamamoto, N. Fiber wireless and optical wireless communications using high-speed photonic devices. In 2020 International Conference on Advanced Technologies for Communications (ATC), Nha Trang, Vietnam, October 8-10, 2020; IEEE, 2020; pp 1-4.
8. Milovančev, D.; Jukić, T.; Steindl, B.; Brandl, P.; Zimmermann, H. Optical wireless communication using a fully integrated 400 µm diameter APD receiver. J. Eng. 2017, 2017, 506-11.
9. Weng, Z. K.; Yoshida, Y.; Umezawa, T.; et al. High-mobility 40-Gbps free-space optical link by a three-stage high-speed beam stabilizer and 2-D photodetector array based diversity reception. Opt. Express. 2025, 33, 16820-32.
10. Umezawa, T.; Matsumoto, A.; Akahane, K.; Nakajima, S.; Yamamoto, N. Large submillimeter high-speed photodetector for large aperture FSO receiver. IEEE. J. Select. Topics. Quantum. Electron. 2022, 28, 1-9.
11. Umezawa, T.; Matsumoto, A.; Akahane, K.; Kanno, A.; Yamamoto, N. 400-pixel high-speed photodetector for high optical alignment robustness FSO receiver. In Optical Fiber Communication Conference 2022, San Diego, California USA, March 6-10, 2022; Optica Publishing Group, 2022; pp 1-3.
12. Palaferri, D.; Todorov, Y.; Bigioli, A.; et al. Room-temperature nine-µm-wavelength photodetectors and GHz-frequency heterodyne receivers. Nature 2018, 556, 85-8.
13. Hakl, M.; Lin, Q.; Lepillet, S.; et al. Ultrafast quantum-well photodetectors operating at 10 μm with a flat frequency response up to 70 GHz at room temperature. ACS. Photonics. 2021, 8, 464-71.
14. Shao, H.; Cheng, B.; Xu, Y.; Song, G. Ultrahigh-quantum-efficiency and high-bandwidth nanowire array UTC-PDs working at 1064 nm. Opt. Quant. Electron. 2022, 54, 3293.
15. Schneider, H.; Fleissner, J.; Rehm, R.; et al. High-resolution QWIP FPAs for the 8- to 12-µm and 3- to 5-µm regimes. In Infrared Technology and Applications XXVIII, Seattle, Washington, USA, July 7-11, 2023; SPIE, 2003; pp 297-305.
16. Rabczuk, T.; Ren, H.; Zhuang, X. A nonlocal operator method for partial differential equations with application to electromagnetic waveguide problem. Comput. Mater. Contin. 2019, 59, 31-55.
17. Samaniego, E.; Anitescu, C.; Goswami, S.; et al. An energy approach to the solution of partial differential equations in computational mechanics via machine learning: concepts, implementation and applications. Comput. Methods. Appl. Mech. Eng. 2020, 362, 112790.
18. Beling, A.; Xie, X.; Campbell, J. C. High-power, high-linearity photodiodes. Optica 2016, 3, 328.
19. Xie, X.; Zhou, Q.; Li, K.; et al. Improved power conversion efficiency in high-performance photodiodes by flip-chip bonding on diamond. Optica 2014, 1, 429.
20. Li, Q.; Li, K.; Fu, Y.; et al. High-power flip-chip bonded photodiode with 110 GHz bandwidth. J. Lightwave. Technol. 2016, 34, 2139-44.
21. Zhou, Q.; Cross, A. S.; Fu, Y.; Beling, A.; Campbell, J. Development of narrowband modified uni-travelling-carrier photodiodes with high power efficiency. In 2013 IEEE Avionics, Fiber-Optics and Photonics Technology Conference (AVFOP), San Diego, CA, USA, October 1-3, 2013; IEEE, 2013; pp 65-6.
22. Boroumand, J.; Das, S.; Vázquez-Guardado, A.; Franklin, D.; Chanda, D. Unified electromagnetic-electronic design of light trapping silicon solar cells. Sci. Rep. 2016, 6, 31013.
23. Xie, Z.; Chen, Y.; Zhang, N.; Chen, B. InGaAsP/InP uni-traveling-carrier photodiode at 1064-nm wavelength. IEEE. Photon. Technol. Lett. 2019, 31, 1331-4.
24. Peng, Y.; Zang, J.; Sun, K.; Yang, Z.; Campbell, J. C. High-speed and high-power MUTC photodiode working at 1064 nm. IEEE. Photon. Technol. Lett. 2019, 31, 1584-7.
25. Suzuki, R.; Ozaki, K.; Tsunoda, K.; Nishino, H. ALD-Al2O3 passivation effects on surface characteristics of InAs/GaSb type-II superlattice infrared photodetectors. In Infrared Technology and Applications XLV, Baltimore, MD, USA, April 14-18, 2019; SPIE, 2019; 110020B.
26. Park, M.; Razaei, M.; Barnhart, K.; Tan, C. L.; Mohseni, H. Surface passivation and aging of InGaAs/InP heterojunction phototransistors. J. Appl. Phys. 2017, 121, 233105.
27. Braga, O.; Delfino, C.; Kawabata, R.; et al. Investigation of InGaAs/InP photodiode surface passivation using epitaxial regrowth of InP via photoluminescence and photocurrent. Mater. Sci. Semicond. Process. 2023, 154, 107200.
28. Umezawa, T.; Kanno, A.; Kashima, K.; et al. Bias-free operational UTC-PD above 110 GHz and its application to high baud rate fixed-fiber communication and W-band photonic wireless communication. J. Lightwave. Technol. 2016, 34, 3138-47.
