Integrated widely tunable quantum cascade lasers with super-structure gratings

Dingkai Guo; Xing Chen; Jiun-Yun Li; Liwei Cheng; Terrance Worchesky; Fow-Sen Choa

doi:10.1117/12.2040965

27 February 2014 Integrated widely tunable quantum cascade lasers with super-structure gratings

Dingkai Guo, Xing Chen, Jiun-Yun Li, Liwei Cheng, Terrance Worchesky, Fow-Sen Choa

Proceedings Volume 9002, Novel In-Plane Semiconductor Lasers XIII; 90021N (2014) https://doi.org/10.1117/12.2040965
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

An integrated widely wavelength tunable mid-IR source is demonstrated. This three-section quantum cascade laser consists of a Fabry-Perot section placed between two super-structure grating (SSG) sections. The emission wavelength of the SSG-DBR QCL can be well controlled by varying the injection currents to the two grating sections of the device. The wavelength can be tuned from 4.58 μm to 4.77 μm (90 cm^-1) with a supermode spacing of 30 nm. The SSG-DBR QCL can be a compact replacement for the external cavity QCL. It has great potential to achieve much further tuning ranges for many mid-IR sensing applications.

Citation Download Citation

Dingkai Guo, Xing Chen, Jiun-Yun Li, Liwei Cheng, Terrance Worchesky, and Fow-Sen Choa "Integrated widely tunable quantum cascade lasers with super-structure gratings", Proc. SPIE 9002, Novel In-Plane Semiconductor Lasers XIII, 90021N (27 February 2014); https://doi.org/10.1117/12.2040965

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available