[1] J Faist, F Capasso, D Sivco et al. Quantum cascade laser. Science, 264, 553(1994).
[2] A Hugi, G Villares, S Blaser et al. Mid-infrared frequency comb based on a quantum cascade laser. Nature, 492, 229(2012).
[3] J Zhang, L Wang, W Zhang et al. Holographic fabricated continuous wave operation of distributed feedback quantum cascade lasers at λ ≈ 8.5
[4] J Faist, M Beck, T Allen et al. Quantum-cascade lasers based on a bound-to-continuum transition. Appl Phys Lett, 78, 147(2001).
[5] M Beck, D Hofstetter, T Aellen et al. Continuous wave operation of a mid-infrared semiconductor laser at room temperature. Science, 295, 301(2002).
[6] D Botez, J D Kirch, C Boyle et al. High-efficiency, high-power mid-infrared quantum cascade lasers. Opt Mater Express, 8, 1378(2018).
[7] C A Wang, B Schwarz, D F Siriani et al. MOVPE growth of LWIR AlInAs/GaInAs/InP quantum cascade lasers: Impact of growth and material quality on laser performance. IEEE J Sel Top Quantum Electron, 23, 1(2017).
[8] X Feng, C Caneau, H P Leblanc et al. Watt-level room temperature continuous-wave operation of quantum cascade lasers with λ >10
[9] B Schwarz, C A Wang, L Missaggia et al. Watt-level continuous-wave emission from a bifunctional quantum cascade laser/detector. ACS Photonics, 4, 1225(2017).
[10] W Zhou, Q Y Lu, D H Wu et al. High-power, continuous-wave, phase-locked quantum cascade laser arrays emitting at 8 microm. Opt Express, 27, 15776(2019).
[11] C A Wang, B Schwarz, D F Siriani et al. Sensitivity of heterointerfaces on emission wavelength of quantum cascade lasers. J Cryst Growth, 464, 215(2017).
[12] A Lyakh, R Maulini, A Tsekoun et al. 3 W continuous-wave room temperature single-facet emission from quantum cascade lasers based on nonresonant extraction design approach. Appl Phys Lett, 95, 141113(2009).
[13] J B Khurgin, Y Dikmelik, P Q Liu et al. Role of interface roughness in the transport and lasing characteristics of quantum-cascade lasers. Appl Phys Lett, 94, 091101(2009).
[14] K Fujita, S Furuta, A Sugiyama et al. High-performance λ ~8.6
[15] P Figueiredo, M Suttinger, R Go et al. Progress in high-power continuous-wave quantum cascade lasers. Appl Opt, 56, H15(2017).
[16] T Yu, S Liu, J Zhang et al. InAs-based interband cascade lasers at 4.0
[17] P F Fewster. Interface roughness and period variations in MQW structures determined by X-ray diffraction. J Appl Cryst, 21, 524(1988).
[18] P F Fewster. X-ray diffraction from low-dimensional structures. Semicond Sci Technol, 8, 1915(1993).
[19] D Savage, J Kleiner, N Schimke et al. Determination of roughness correlations in multilayer films for x-ray mirrors. J Appl Phys, 69, 1411(1991).
[20] D Botez, C C Chang, L J Mawst. Temperature sensitivity of the electro-optical characteristics for mid-infrared (λ = 3–16
[21] A Lyakh, R Maulini, A Tsekoun et al. Multiwatt long wavelength quantum cascade lasers based on high strain composition with 70% injection efficiency. Opt Express, 20, 24272(2012).
[22] P Yang, J Zhang, Z Gu et al. Coupled-ridge waveguide quantum cascade laser array lasing at λ ~ 5 µm. J Semicond, 42, 092901(2021).
[23] A Wittmann, Y Bonetti, M Fischer et al. Distributed-feedback quantum-cascade lasers at 9
[24] Y Chiu, Y Dikmelik, P Q Liu et al. Importance of interface roughness induced intersubband scattering in mid-infrared quantum cascade lasers. Appl Phys Lett, 101, 171117(2012).
[25] G Xu, A Li. Interface phonons in the active region of a quantum cascade laser. Phys Rev B, 71, 235304(2005).
[26] C Boyle, K M Oresick, J D Kirch et al. Carrier leakage via interface-roughness scattering bridges gap between theoretical and experimental internal efficiencies of quantum cascade lasers. Appl Phys Lett, 117, 051101(2020).
[27] M P Semtsiv, Y Flores, M Chashnikova et al. Low-threshold intersubband laser based on interface-scattering-rate engineering. Appl Phys Lett, 100, 163502(2012).
