Q. An, P. Jin, J. Wu, Z. G. Wang, "Optical loss in bent-waveguide superluminescent diodes," Semicond. Sci. Technol. 27, 055003-1-055003-6 (2012).

X. K. Li, P. Jin, Q. An, Z. C. Wang, X. Q. Lv, H. Wei, J. Wu, J. Wu, Z. G. Wang, "A high-performance quantum dot superluminescent
diode with a two-section structure," Nanoscale
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Z. C. Wang, P. Jin, X. Q. Lv, X. K. Li, Z. G. Wang, "High-power
quantum dot superluminescent diode with integrated optical amplifier section," Electron. Lett. 47, 1191-1193 (2011).

N. Krstajić, L. E. Smith, S. J. Matcher, D. T. D. Childs, M. Bonesi, P. D. L. Greenwood, M. Hugues, K. Kennedy, M. Hopkinson, K. M. Groom, S. MacNeil, R. A. Hogg, R. Smallwood, "Quantum dot superluminescent
diodes for optical coherence tomography: Skin imaging," IEEE
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P. D. L. Greenwood, D. T. D. Childs, K. Kennedy, K. M. Groom, M. Hugues, M. Hopkinson, R. A. Hogg, N. Krstajić, L. E. Smith, S. J. Matcher, M. Bonesi, S. MacNeil, R. Smallwood, "Quantum dot superluminescent
diodes for optical coherence tomography: Device engineering," IEEE J. Sel. Topics Quantum Electron. 16, 1015-1022 (2010).

J. L. Xiao, Y. Z. Huang, "Numerical analysis of gain
saturation, noise figure, and carrier distribution for quantum-dot semiconductor-optical
amplifiers," IEEE J. Quantum Electron. 44, 448-455 (2008).

J. Park, X. Li, "Theoretical and numerical analysis of superluminescent
diodes," J. Lightw. Technol. 24, 2473-2480 (2006).

W. Wang, X. F. Wang, G. C. Zhang, "Effect of the spectrum of a
superluminescent diode on performance of fiber-optic gyro," Sci. Technol. Rev. 24, 22-26 (2006) (in Chinese).

A. Markus, J. X. Chen, C. Paranthoën, A. Fiore, C. Platz, O. Gauthier-Lafaye, "Simultaneous two-state lasing in quantum-dot lasers," Appl. Phys. Lett. 82, 1818-1820 (2003).

A. Markus, J. X. Chen, O. Gauthier-Lafaye, J. G. Provost, C. Paranthoën, A. Fiore, "Impact of intraband relaxation on the performance
of a quantum-dot laser," IEEE J. Sel. Topics
Quantum Electron. 9, 1308-1314 (2003).

O. Qasaimeh, "Optical gain and saturation
characteristics of quantum- dot semiconductor optical
amplifiers," IEEE J. Quantum Electron. 39, 793-798 (2003).

G. T. Du, C. D. Xu, Y. Liu, Y. S. Zhao, H. S. Wang, "High-power integrated superluminescent light source," IEEE J. Quantum Electron. 39, 149-153 (2003).

Y. Liu, J. F. Song, Y. P. Zeng, B. Wu, Y. T. Zhang, Y. Qian, Y. Z. Sun, G. T. Du, "High power 1.5 *μ*m integrated superluminescent light source with tilted ridge waveguide," Opt. Quantum Electron. 33, 1233-1239 (2001).

Y. Liu, K. Liu, J. F. Song, Y. C. Chang, B. N. Kang, J. Z. Yin, G. T. Du, "1.3 *μ*m integrated superluminescent light source," Opt.
Mater. 14, 235-238 (2000).

G. T. Du, G. Devane, K. A. Stair, S. L. Wu, R. P. H. Chang, Y. S. Zhao, Z. Z. Sun, Y. Liu, X. Y. Jiang, W. H. Han, "The monolithic integration of a superluminescent diode with
a power amplifier," IEEE Photon. Technol. Lett. 10, 57-59 (1998).

K. Böhm, P. Marten, K. Petermann, E. Weidel, R. Ulrich, "Low-drift fibre gyro using
a superluminescent diode," Electron. Lett. 17, 352-353 (1981).

A. Markus, J. X. Chen, C. Paranthoën, A. Fiore, C. Platz, O. Gauthier-Lafaye, "Simultaneous two-state lasing in quantum-dot lasers," Appl. Phys. Lett. 82, 1818-1820 (2003).

Z. C. Wang, P. Jin, X. Q. Lv, X. K. Li, Z. G. Wang, "High-power
quantum dot superluminescent diode with integrated optical amplifier section," Electron. Lett. 47, 1191-1193 (2011).

K. Böhm, P. Marten, K. Petermann, E. Weidel, R. Ulrich, "Low-drift fibre gyro using
a superluminescent diode," Electron. Lett. 17, 352-353 (1981).

N. Krstajić, L. E. Smith, S. J. Matcher, D. T. D. Childs, M. Bonesi, P. D. L. Greenwood, M. Hugues, K. Kennedy, M. Hopkinson, K. M. Groom, S. MacNeil, R. A. Hogg, R. Smallwood, "Quantum dot superluminescent
diodes for optical coherence tomography: Skin imaging," IEEE
J. Sel. Topics Quantum Electron. 16, 748-754 (2010).

G. T. Du, C. D. Xu, Y. Liu, Y. S. Zhao, H. S. Wang, "High-power integrated superluminescent light source," IEEE J. Quantum Electron. 39, 149-153 (2003).

J. L. Xiao, Y. Z. Huang, "Numerical analysis of gain
saturation, noise figure, and carrier distribution for quantum-dot semiconductor-optical
amplifiers," IEEE J. Quantum Electron. 44, 448-455 (2008).

O. Qasaimeh, "Optical gain and saturation
characteristics of quantum- dot semiconductor optical
amplifiers," IEEE J. Quantum Electron. 39, 793-798 (2003).

A. Markus, J. X. Chen, O. Gauthier-Lafaye, J. G. Provost, C. Paranthoën, A. Fiore, "Impact of intraband relaxation on the performance
of a quantum-dot laser," IEEE J. Sel. Topics
Quantum Electron. 9, 1308-1314 (2003).

P. D. L. Greenwood, D. T. D. Childs, K. Kennedy, K. M. Groom, M. Hugues, M. Hopkinson, R. A. Hogg, N. Krstajić, L. E. Smith, S. J. Matcher, M. Bonesi, S. MacNeil, R. Smallwood, "Quantum dot superluminescent
diodes for optical coherence tomography: Device engineering," IEEE J. Sel. Topics Quantum Electron. 16, 1015-1022 (2010).

G. T. Du, G. Devane, K. A. Stair, S. L. Wu, R. P. H. Chang, Y. S. Zhao, Z. Z. Sun, Y. Liu, X. Y. Jiang, W. H. Han, "The monolithic integration of a superluminescent diode with
a power amplifier," IEEE Photon. Technol. Lett. 10, 57-59 (1998).

J. Park, X. Li, "Theoretical and numerical analysis of superluminescent
diodes," J. Lightw. Technol. 24, 2473-2480 (2006).

X. K. Li, P. Jin, Q. An, Z. C. Wang, X. Q. Lv, H. Wei, J. Wu, J. Wu, Z. G. Wang, "A high-performance quantum dot superluminescent
diode with a two-section structure," Nanoscale
Res. Lett. 6, 625-1-625-5 (2011).

Y. Liu, K. Liu, J. F. Song, Y. C. Chang, B. N. Kang, J. Z. Yin, G. T. Du, "1.3 *μ*m integrated superluminescent light source," Opt.
Mater. 14, 235-238 (2000).

Y. Liu, J. F. Song, Y. P. Zeng, B. Wu, Y. T. Zhang, Y. Qian, Y. Z. Sun, G. T. Du, "High power 1.5 *μ*m integrated superluminescent light source with tilted ridge waveguide," Opt. Quantum Electron. 33, 1233-1239 (2001).

W. Wang, X. F. Wang, G. C. Zhang, "Effect of the spectrum of a
superluminescent diode on performance of fiber-optic gyro," Sci. Technol. Rev. 24, 22-26 (2006) (in Chinese).

Q. An, P. Jin, J. Wu, Z. G. Wang, "Optical loss in bent-waveguide superluminescent diodes," Semicond. Sci. Technol. 27, 055003-1-055003-6 (2012).

D. Bimberg, M. Grundmann, N. N. Ledentsov, Quantum Dot Heterostructures (Wiley, 1999) pp. 152.