Ridge-width dependence of the threshold of long wavelength (λ ≈14 μm) quantum cascade lasers with sloped and vertical sidewalls

Optics Express

Volumn 20, Issue 3, 2012, Pages 2539-2547

  Huang, Xue ^a   Chiu, Yenting ^a   Charles, William O ^a,b   Gmachl, Claire ^a  

^a Princeton University   (United States)

^b Photonic Devices Inc   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ANISOTROPIC ETCHING; QUANTUM CASCADE LASERS; SILICON COMPOUNDS; WAVEGUIDES; WET ETCHING;

INSULATION LAYERS; LONG WAVELENGTH; OPTICAL CONFINEMENT FACTORS; SUBSTRATE LAYERS; SURFACE PLASMONS; TRANSVERSE MAGNETIC MODES; TRANSVERSE MODE; WAVEGUIDE LOSS; WET AND DRY;

DRY ETCHING;

ARTICLE; COMPUTER AIDED DESIGN; COMPUTER SIMULATION; EQUIPMENT; EQUIPMENT DESIGN; LASER; LIGHT; RADIATION SCATTERING; THEORETICAL MODEL;

COMPUTER SIMULATION; COMPUTER-AIDED DESIGN; EQUIPMENT DESIGN; EQUIPMENT FAILURE ANALYSIS; LASERS; LIGHT; MODELS, THEORETICAL; SCATTERING, RADIATION;

EID: 84856503170     PISSN: None     EISSN: 10944087     Source Type: Journal    
DOI: 10.1364/OE.20.002539     Document Type: Article

References (15)

1. M. Troccoli, X. Wang, and J. Fan, "Quantum cascade lasers: high-power emission and single-mode operation in the long-wave infrared (λ > 6 μm)," Opt. Eng. 49(11), 111106(2010).
2. N. Bandyopadhyay, Y. Bai, B. Gokden, A. Myzaferi, S. Tsao, S. Slivken, and M. Razeghi, "Watt level performance of quantum cascade lasers in room temperature continuous wave operation at λ ∼ 3.76 μm," Appl. Phys. Lett. 97(13), 131117(2010).
3. S. Slivken, A. Evans, W. Zhang, and M. Razeghi, "High-power, continuous-operation intersubband laser for wavelengths greater than 10 μm," Appl. Phys. Lett. 90(15), 151115(2007).
4. 0 values (-450) of long wavelength (-5 μm), low-threshold-current-density quantum cascade lasers based on the indirect pump scheme," Appl. Phys. Lett. 97(20), 201109(2010).
5. X. Huang, W. O. Charles, and C. Gmachl, "Temperature-insensitive long-wavelength (λ ≈14 μm) Quantum Cascade lasers with low threshold," Opt. Express 19(9), 8297-8302(2011).
6. P. Fuchs, J. Semmel, J. Friedl, S. Höfling, J. Koeth, L. Worschech, and A. Forchel, "Distributed feedback quantum cascade lasers at 13.8 μm on indium phosphide," Appl. Phys. Lett. 98(21), 211118(2011).
7. S. Slivken, J. S. Yu, A. Evans, J. David, L. Doris, and M. Razeghi, "Ridge-width dependence on hightemperature continuous-wave quantum-cascade laser operation," IEEE Photon. Technol. Lett. 16(3), 744-746(2004).
8. W. Bewley, C. Canedy, C. S. Kim, M. Kim, J. R. Lindle, J. Abell, I. Vurgaftman, and J. Meyer, "Ridge-width dependence of midinfrared interband cascade laser characteristics," Opt. Eng. 49(11), 111116(2010).
9. R. P. Leavitt, J. L. Bradshaw, K. M. Lascola, G. P. Meissner, F. Micalizzi, F. J. Towner, and J. T. Pham, "Highperformance quantum cascade lasers in the 7.3-to 7.8-μm wavelength band using strained active regions," Opt. Eng. 49(11), 111109(2010).
10. C. Gmachl, F. Capasso, A. Tredicucci, D. L. Sivco, A. L. Hutchinson, and A. Y. Cho, "Long wavelength (λ ≈ 13 μm) quantum cascade lasers," Electron. Lett. 34(11), 1103-1104(1998). (Pubitemid 128610356)
11. A. Tredicucci, C. Gmachl, F. Capasso, D. L. Sivco, A. L. Hutchinson, and A. Y. Cho, "Long wavelength superlattice quantum cascade lasers at λ ≈ 17 μm," Appl. Phys. Lett. 74(5), 638-640(1999). (Pubitemid 129615132)
12. R. Kitamura, L. Pilon, and M. Jonasz, "Optical constants of silica glass from extreme ultraviolet to far infrared at near room temperature," Appl. Opt. 46(33), 8118-8133(2007). (Pubitemid 351206992)
13. S. A. Maier, Plasmonics: Fundamentals and Applications (Springer, 2007).
14. F. Toor, D. L. Sivco, H. E. Liu, and C. F. Gmachl, "Effect of waveguide sidewall roughness on the threshold current density and slope efficiency of quantum cascade lasers," Appl. Phys. Lett. 93(3), 031104(2008).
15. Z. Liu, "Room-temperature, continuous-wave Quantum Cascade lasers in the first and second atmospheric windows," Ph. D. dissertation (Princeton University, 2008)