[1] Qifa Liu,
Shang Ma, Shumin He, Hui Dai, Minjia Meng, Rongqing Xu, Jin Wang. “Blue-band
slot-enhanced nanobeam cavity with porous-GaN cladding” Optical Materials, 147,
114717, 2024
[2] Qifa Liu,
Yongkang Ni, Nowsheen Jaman Ananna, Md Nakibur Rahman, Wanqing Li, Meixin Feng,
Jing Chen. “Grating couplers for efficient integration of surface-emitting blue
lasers and silicon nitride waveguide” Optics & Laser Technology, 171,
110442, 2024
[3] Jingtong
Bin, Kerui Feng, Shang Ma, Ke Liu, Yong Cheng, Jing Chen, Qifa Liu*. “Investigation
on photonic crystal nanobeam cavity based on diamond-circle mixed holes” Nanotechnology
and Precision Engineering, 7, 013007, 2024
[4] Qifa Liu,
Minjia Meng, Shang Ma, and Meixin Feng. “Design of double-lattice GaN-PCSEL
based on triangular and circular holes” Optics Express, 31(26), 43615, 2023
[5] 周扬;贺树敏;沈威;刘启发. “光子晶体面发射蓝光激光器的高速调制性能分析” 中国激光, 50(23),
2301001, 2023
[6] Qifa
Liu, Jingtong Bin, Kerui Feng, Lu Cheng, Lianjie Zhao, Guohua Wu, Jing Chen.
“Design of GaN-based photonic crystal surface emitting lasers with top TiO2
photonic crystals” Results in Physics 33, 105164, 2022
[7] Jingtong
Bin, Kerui Feng, Wei Shen, Minjia Meng and Qifa Liu*. “Investigation on
GaN-Based Membrane Photonic Crystal Surface Emitting Lasers” Materials 15,
1479, 2022
[8] Qifa
Liu, Zhenhai Wang, Xinyu Ma, Jin Wang, and Weidong Zhou. “Design of GaN-Based
PCSEL With Temperature-Insensitive Lasing Wavelength” IEEE Photonics Journal
13(4), 1500306, 2021
[9] Qifa
Liu, Zhenhai Wang, Lihui Zhu, Xiefeng Cheng, Jin Wang. “Nano-grooves etching on
top of GaN-LED for light extraction enhancement” Optics & Laser Technology
138, 106842, 2021
[10] LIU Qifa，ZHU
Lihui，XU Xu，FENG Kerui，CHENG
Xiefeng. “Study on Properties of Fully Etched Bragg Grating Waveguide Filters”
Acta Photonica Sinica 50(11), 1105001, 2021
[11] Qifa
Liu, Huihui Wang, Lihui Zhu, Meiyu Liu, Jin Wang. “Application of micro-nano
grating in photonic regulation” 18th International Conference on Optical
Communications and Networks, 2019
[12] Qifa
Liu, Huihui Wang, Shumin He, Tongliang Sa, Xiefeng Cheng, Rongqing Xu. “Design
of micro-nano grooves incorporated into suspended GaN membrane for active
integrated optics” AIP Advances 8, pp.115118, 2018
[13] Qifa
Liu, Cheng Wang, Wenlei Yang, Huihui Wang, Rongqing Xu. “GaN membrane with
nano-grooves for single-band coupling in the entire visible wavelength range”
IEEE Photonics Journal, 10(2), pp.2200812, 2018
[14] Liu
Qifa, Wang Wei. “Free-standing GaN grating couplers and rib waveguide for
planar photonics at telecommunication wavelength” Optics and Laser Technology,
Vol.98, pp. 257-263, 2018
[15] Liu
Qifa, Wang Zhenhai, Wang Wei, He Shumin. “Design of free-standing GaN strip
waveguide and grating couplers” Optik, Vol.127, No.19, pp.7726-7731, 2016
[16] Qifa
Liu, Wei Wang, Tongliang Sa, Shumin He, Xin Li, Gangyi Zhu, Yongjin Wang.
“Subwavelength gratings on a free-standing HfO2 membrane for out-of-plane
coupling of visible light” Applied Physics B-lasers and Optics, Vol.121, No.3,
pp.353-361, 2015
[17] Qifa
Liu, Zheng Shi, Gangyi Zhu, Wei Wang, Zhenhai Wang, Yongjin Wang. “Freestanding
GaN grating couplers at visible wavelengths” Journal of Optics, Vol.17, No.4,
pp.045607, 2015
