[1] LIZUKA N, KANEKO K, SUZUKI N. Near-infrared intersubband absorption in GaN/AlN quantum wells grown by molecular beam epitaxy [J]. Appl. Phys. Lett. , 2002, 81: 1803-1805.
[2] TCHERNYCHEVA M, NEVOU L, DOYENNETTE L, et al. Optical and theoretical study of strong electron coupling in double GaN/AlN quantum wells [J]. Phys. Stat. Sol. B, 2006, 243: 1630-1633.
[3] SHI Jun-Jie, XIA Cong-Xin, WEI Shu-Yi, et al. Exciton states in wurtzite InGaN strained coupled quantum dots: Effects of piezoelectricity and spontaneous polarization [J]. J. Appl. Phys., 2005, 97: 083705 (1-8).
[4] LI Y, PAIELLA R. Intersubband all-optical switching based on Coulomb-induced optical nonlinearities in GaN/AlGaN coupled quantum wells [J]. Semicond. Sci. Technol., 2006, 21: 1105-1110.
[5] MALIS O, EDMUNDS C, MANFRA M J, et al. Near-infrared intersubband absorption in molecular-beam epitaxy-grown lattice-matched InAlN/GaN superlattices[J]. Appl. Phys. Lett, 2009,94: 161111 (1-3).
[6] MONROY E, KANDASWAMY P K, MACHHADANI H, et al. Polar and Semipolar III-Nitrides for long wavelength intersubband devices, Proc. SPIE 7608, Quantum Sensing and Nanophotonic Devices VII [J], 2010, 76081G doi:10.1117/12.847027.
[7] HOFSTETTER D, DI FRANCESCO J, KANDASWAMY P K. Intersubband spectroscopy probing higher order interminiband transitions in AlN-GaN-based superlattices [J]. Appl. Phys. Lett. , 2011, 98: 071104 (1-3).
[8] NARANJO F B, KANDASWAMY P K, VALDUEZA-Felip S, et al. Nonlinear absorption of InN/InGaN multiple-quantum-well structures at optical telecommunication wavelengths [J]. Appl. Phys. Lett. , 2011, 98: 031902 (1-3).
[9] IVE T, BERLAND K, STATTIN M, et al. Design and Fabrication of Nitride Heterostructures for Intersubband Applications [J], International Proceedings of Computer Science & Information Tech., 2012, 32: 62-66.
[10] ROSENCHER E, BOIS Ph. Model system for optical nonlinearities: Asymmetric quantum wells [J]. Phys. Rev. B, 1991,44: 11315-11327.
[11] YUH P F, WANG K L. Optical transitions in a step quantum well [J]. J. Appl. Phys, 1989,65: 4377-4381.
[12] WANG Guang-Hui, GUO Qi. Effect of spatial nonlocality on terahertz optical interaction with quantum wells [J]. J. Appl. Phys. 2009, 105: 073515 (1-5).