Theoretical investigation on effects of group-velocity dispersion on mid-infrared quantum-cascade lasers with Fabry-Perot and ring cavities

Jing Bai; Hanquan Wang; Jinchuan Zhang; Fengqi Liu; Debao Zhou

doi:10.1117/12.2510718

Theoretical investigation on effects of group-velocity dispersion on mid-infrared quantum-cascade lasers with Fabry-Perot and ring cavities

Jing Bai, Hanquan Wang, Jinchuan Zhang, Fengqi Liu, Debao Zhou

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We focused on the effects of group-velocity dispersion (GVD) on the coherent pulse progression in mid-infrared (MIR) quantum-cascade lasers (QCLs). Comparison of GVD effects on the two kinds of typical QCL cavities, i.e., FP and ring cavities, brings insight into the interaction between the GVD and the spatial hole burning (SHB) effect which is only supported by FP cavities but not ring cavities. The theoretical model is built based on the Maxwell-Bloch formulism accounting for two-way propagations of electric field and polarization as well as the couplings among the electric field, the polarization, and the population inversion. The pulse evolution in time-spatial domains is simulated by the finite difference method with prior nondimensionalization, which is necessary for a convergent solution. Results predict that the SHB could broaden the QCL gain bandwidth and induce additional side modes closely around the central lasing mode with an intensity more pronounced than that of GVD associated side modes. Moreover, owing to the SHB, the lasing instability caused by GVD is weaker in a FP cavity than a ring cavity.

Original language	English (US)
Title of host publication	Physics and Simulation of Optoelectronic Devices XXVII
Editors	Bernd Witzigmann, Yasuhiko Arakawa, Marek Osinski
Publisher	SPIE
ISBN (Electronic)	9781510624665
DOIs	https://doi.org/10.1117/12.2510718
State	Published - 2019
Event	Physics and Simulation of Optoelectronic Devices XXVII 2019 - San Francisco, United States Duration: Feb 5 2019 → Feb 7 2019

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	10912
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Conference

Conference	Physics and Simulation of Optoelectronic Devices XXVII 2019
Country/Territory	United States
City	San Francisco
Period	2/5/19 → 2/7/19

Bibliographical note

Funding Information:
Jing Bai’s research is partially supported by the National Science Foundation (NSF) Grant No. ECCS-1232273. Hanquan Wang's research is partially supported by Natural Science Foundation of China under grant Nos. 11261065 and 91430103.

Funding Information:
Jing Bai's research is partially supported by the National Science Foundation (NSF) Grant No. ECCS-1232273. Hanquan Wang's research is partially supported by Natural Science Foundation of China under grant Nos. 11261065 and 91430103.

Publisher Copyright:
© 2019 SPIE.

Keywords

Dispersive media
Laser dynamics
Midinfrared quantum-cascade lasers
Spatial hole burning

Publisher link

10.1117/12.2510718

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Bai, J., Wang, H., Zhang, J., Liu, F., & Zhou, D. (2019). Theoretical investigation on effects of group-velocity dispersion on mid-infrared quantum-cascade lasers with Fabry-Perot and ring cavities. In B. Witzigmann, Y. Arakawa, & M. Osinski (Eds.), Physics and Simulation of Optoelectronic Devices XXVII Article 109120N (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 10912). SPIE. https://doi.org/10.1117/12.2510718

Theoretical investigation on effects of group-velocity dispersion on mid-infrared quantum-cascade lasers with Fabry-Perot and ring cavities. / Bai, Jing; Wang, Hanquan; Zhang, Jinchuan et al.
Physics and Simulation of Optoelectronic Devices XXVII. ed. / Bernd Witzigmann; Yasuhiko Arakawa; Marek Osinski. SPIE, 2019. 109120N (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 10912).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Bai, J, Wang, H, Zhang, J, Liu, F & Zhou, D 2019, Theoretical investigation on effects of group-velocity dispersion on mid-infrared quantum-cascade lasers with Fabry-Perot and ring cavities. in B Witzigmann, Y Arakawa & M Osinski (eds), Physics and Simulation of Optoelectronic Devices XXVII., 109120N, Proceedings of SPIE - The International Society for Optical Engineering, vol. 10912, SPIE, Physics and Simulation of Optoelectronic Devices XXVII 2019, San Francisco, United States, 2/5/19. https://doi.org/10.1117/12.2510718

Bai J, Wang H, Zhang J, Liu F, Zhou D. Theoretical investigation on effects of group-velocity dispersion on mid-infrared quantum-cascade lasers with Fabry-Perot and ring cavities. In Witzigmann B, Arakawa Y, Osinski M, editors, Physics and Simulation of Optoelectronic Devices XXVII. SPIE. 2019. 109120N. (Proceedings of SPIE - The International Society for Optical Engineering). doi: 10.1117/12.2510718

Bai, Jing ; Wang, Hanquan ; Zhang, Jinchuan et al. / Theoretical investigation on effects of group-velocity dispersion on mid-infrared quantum-cascade lasers with Fabry-Perot and ring cavities. Physics and Simulation of Optoelectronic Devices XXVII. editor / Bernd Witzigmann ; Yasuhiko Arakawa ; Marek Osinski. SPIE, 2019. (Proceedings of SPIE - The International Society for Optical Engineering).

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abstract = "We focused on the effects of group-velocity dispersion (GVD) on the coherent pulse progression in mid-infrared (MIR) quantum-cascade lasers (QCLs). Comparison of GVD effects on the two kinds of typical QCL cavities, i.e., FP and ring cavities, brings insight into the interaction between the GVD and the spatial hole burning (SHB) effect which is only supported by FP cavities but not ring cavities. The theoretical model is built based on the Maxwell-Bloch formulism accounting for two-way propagations of electric field and polarization as well as the couplings among the electric field, the polarization, and the population inversion. The pulse evolution in time-spatial domains is simulated by the finite difference method with prior nondimensionalization, which is necessary for a convergent solution. Results predict that the SHB could broaden the QCL gain bandwidth and induce additional side modes closely around the central lasing mode with an intensity more pronounced than that of GVD associated side modes. Moreover, owing to the SHB, the lasing instability caused by GVD is weaker in a FP cavity than a ring cavity.",

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author = "Jing Bai and Hanquan Wang and Jinchuan Zhang and Fengqi Liu and Debao Zhou",

note = "Funding Information: Jing Bai{\textquoteright}s research is partially supported by the National Science Foundation (NSF) Grant No. ECCS-1232273. Hanquan Wang's research is partially supported by Natural Science Foundation of China under grant Nos. 11261065 and 91430103. Funding Information: Jing Bai's research is partially supported by the National Science Foundation (NSF) Grant No. ECCS-1232273. Hanquan Wang's research is partially supported by Natural Science Foundation of China under grant Nos. 11261065 and 91430103. Publisher Copyright: {\textcopyright} 2019 SPIE.; Physics and Simulation of Optoelectronic Devices XXVII 2019 ; Conference date: 05-02-2019 Through 07-02-2019",

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AU - Zhou, Debao

N1 - Funding Information: Jing Bai’s research is partially supported by the National Science Foundation (NSF) Grant No. ECCS-1232273. Hanquan Wang's research is partially supported by Natural Science Foundation of China under grant Nos. 11261065 and 91430103. Funding Information: Jing Bai's research is partially supported by the National Science Foundation (NSF) Grant No. ECCS-1232273. Hanquan Wang's research is partially supported by Natural Science Foundation of China under grant Nos. 11261065 and 91430103. Publisher Copyright: © 2019 SPIE.

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N2 - We focused on the effects of group-velocity dispersion (GVD) on the coherent pulse progression in mid-infrared (MIR) quantum-cascade lasers (QCLs). Comparison of GVD effects on the two kinds of typical QCL cavities, i.e., FP and ring cavities, brings insight into the interaction between the GVD and the spatial hole burning (SHB) effect which is only supported by FP cavities but not ring cavities. The theoretical model is built based on the Maxwell-Bloch formulism accounting for two-way propagations of electric field and polarization as well as the couplings among the electric field, the polarization, and the population inversion. The pulse evolution in time-spatial domains is simulated by the finite difference method with prior nondimensionalization, which is necessary for a convergent solution. Results predict that the SHB could broaden the QCL gain bandwidth and induce additional side modes closely around the central lasing mode with an intensity more pronounced than that of GVD associated side modes. Moreover, owing to the SHB, the lasing instability caused by GVD is weaker in a FP cavity than a ring cavity.

AB - We focused on the effects of group-velocity dispersion (GVD) on the coherent pulse progression in mid-infrared (MIR) quantum-cascade lasers (QCLs). Comparison of GVD effects on the two kinds of typical QCL cavities, i.e., FP and ring cavities, brings insight into the interaction between the GVD and the spatial hole burning (SHB) effect which is only supported by FP cavities but not ring cavities. The theoretical model is built based on the Maxwell-Bloch formulism accounting for two-way propagations of electric field and polarization as well as the couplings among the electric field, the polarization, and the population inversion. The pulse evolution in time-spatial domains is simulated by the finite difference method with prior nondimensionalization, which is necessary for a convergent solution. Results predict that the SHB could broaden the QCL gain bandwidth and induce additional side modes closely around the central lasing mode with an intensity more pronounced than that of GVD associated side modes. Moreover, owing to the SHB, the lasing instability caused by GVD is weaker in a FP cavity than a ring cavity.

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ER -

Theoretical investigation on effects of group-velocity dispersion on mid-infrared quantum-cascade lasers with Fabry-Perot and ring cavities

Abstract

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Bibliographical note

Keywords

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