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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 3, Iss. 11 — Nov. 1, 2013
  • pp: 1872–1884

Recent advances in mid infrared (3-5µm) Quantum Cascade Lasers

Manijeh Razeghi, Neelanjan Bandyopadhyay, Yanbo Bai, Quanyong Lu, and Steven Slivken  »View Author Affiliations


Optical Materials Express, Vol. 3, Issue 11, pp. 1872-1884 (2013)
http://dx.doi.org/10.1364/OME.3.001872


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Abstract

Quantum cascade laser (QCL) is an important source of electromagnetic radiation in mid infrared region. Recent research in mid-IR QCLs has resulted in record high wallplug efficiency (WPE), high continuous wave (CW) output power, single mode operation and wide tunability. CW output power of 5.1 W with 21% WPE has been achieved at room temperature (RT). A record high WPE of 53% at 40K has been demonstrated. Operation wavelength of QCL in CW at RT has been extended to as short as 3µm. Very high peak power of 190 W has been obtained from a broad area QCL of ridge width 400µm. 2.4W RT, CW power output has been achieved from a distributed feedback (DFB) QCL. Wide tuning based on dual section sample grating DFB QCLs has resulted in individual tuning of 50cm−1 and 24 dB side mode suppression ratio with continuous wave power greater than 100mW.

© 2013 OSA

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(140.3600) Lasers and laser optics : Lasers, tunable
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
(140.5965) Lasers and laser optics : Semiconductor lasers, quantum cascade

ToC Category:
Laser Materials

History
Original Manuscript: July 8, 2013
Revised Manuscript: August 10, 2013
Manuscript Accepted: August 14, 2013
Published: October 10, 2013

Virtual Issues
Mid-IR Photonic Materials (2013) Optical Materials Express

Citation
Manijeh Razeghi, Neelanjan Bandyopadhyay, Yanbo Bai, Quanyong Lu, and Steven Slivken, "Recent advances in mid infrared (3-5µm) Quantum Cascade Lasers," Opt. Mater. Express 3, 1872-1884 (2013)
http://www.opticsinfobase.org/ome/abstract.cfm?URI=ome-3-11-1872


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References

  1. M. Razeghi, “High-Performance InP-based Mid-IR Quantum Cascade Lasers,” IEEE J. Sel. Top. Quantum Electron.15(3), 941–951 (2009). [CrossRef]
  2. Y. Bai, N. Bandyopadhyay, S. Tsao, S. Slivken, and M. Razeghi, “Room temperature quantum cascade lasers with 27% wall plug efficiency,” Appl. Phys. Lett.98(18), 181102 (2011). [CrossRef]
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