Intersubband absorption loss in high-performance mid-infrared quantum cascade lasers

Author

Dikmelik, Yamac ; Khurgin, Jacob B. ; Escarra, Matthew D. ; Liu, Peter Q. ; Hoffman, Anthony J. ; Franz, Kale J. ; Gmachl, Claire F. ; Fan, Jenyu ; Wang, Xiaojun

Author_Institution

Dept. of Electr. & Comput. Eng., Johns Hopkins Univ., Baltimore, MD, USA

fYear

2009

fDate

2-4 June 2009

Firstpage

1

Lastpage

2

Abstract

We calculate intersubband absorption loss and report measured waveguide loss for two high-performance mid-infrared quantum cascade laser designs. Intersubband absorption loss accounts for a major component of waveguide loss for these structures.

Keywords

laser beams; laser variables measurement; optical design techniques; optical loss measurement; quantum cascade lasers; waveguide lasers; high-performance mid-infrared lasers; intersubband absorption loss; quantum cascade laser design; waveguide loss measurement; Absorption; Laser transitions; Loss measurement; Low voltage; Optical design; Optical losses; Optical waveguides; Quantum cascade lasers; Semiconductor waveguides; Waveguide lasers; (140.3070) Infrared and far-infrared lasers; (140.5965) Semiconductor lasers, quantum cascade;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on

Conference_Location

Baltimore, MD

Print_ISBN

978-1-55752-869-8

Electronic_ISBN

978-1-55752-869-8

Type

conf

Filename

5226048