Breaking the symmetry for enhanced higher-order mode delocalization

Fabian Stutzki; Florian Jansen; Cesar Jauregui; Jens Limpert; Andreas Tünnermann

doi:10.1117/12.2036901

7 March 2014 Breaking the symmetry for enhanced higher-order mode delocalization

Fabian Stutzki, Florian Jansen, Cesar Jauregui, Jens Limpert, Andreas Tünnermann

Proceedings Volume 8961, Fiber Lasers XI: Technology, Systems, and Applications; 89611N (2014) https://doi.org/10.1117/12.2036901
Event: SPIE LASE, 2014, San Francisco, California, United States

Abstract

Large-pitch fibers (LPFs) have enabled the current records for average power, pulse energy and pulse peak power in ultra-fast fiber laser systems. In this paper the working principle of LPFs, which is based on higher-order mode delocalization, is numerically analyzed paying special attention to thermal effects and index mismatch. An enhanced design concept is proposed with a reduced symmetry to improve the delocalization of higher-order modes. This enhanced design has been obtained by transferring the most important characteristics of spiral geometries to a common hexagonal lattice.

Citation Download Citation

Fabian Stutzki, Florian Jansen, Cesar Jauregui, Jens Limpert, and Andreas Tünnermann "Breaking the symmetry for enhanced higher-order mode delocalization", Proc. SPIE 8961, Fiber Lasers XI: Technology, Systems, and Applications, 89611N (7 March 2014); https://doi.org/10.1117/12.2036901

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