skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Optical waveguides having flattened high order modes

Patent ·
OSTI ID:1149998
; ; ; ;

A deterministic methodology is provided for designing optical fibers that support field-flattened, ring-like higher order modes. The effective and group indices of its modes can be tuned by adjusting the widths of the guide's field-flattened layers or the average index of certain groups of layers. The approach outlined here provides a path to designing fibers that simultaneously have large mode areas and large separations between the propagation constants of its modes.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC52-07NA27344
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Number(s):
8,798,422
Application Number:
13/162,351
OSTI ID:
1149998
Country of Publication:
United States
Language:
English

References (12)

Single-mode operations in the large flattened mode optical fiber lasers and amplifiers journal March 2009
Electromagnetic propagation in periodic stratified media I General theory* journal January 1977
Design guidelines and characteristics for a kind of four-layer large flattened mode fibers journal November 2008
Large flattened-mode optical fiber for reduction of nonlinear effects in optical fiber lasers conference June 2004
Natural bend-distortion immunity of higher-order-mode large-mode-area fibers journal January 2007
Design of a waveguide refractive index profile to obtain a flat modal field
  • Ghatak, Ajoy K.; Goyal, I. C.; Jindal, Rajeev
  • International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98, SPIE Proceedings https://doi.org/10.1117/12.347957
conference April 1999
Flat-topped beam output from a double-clad rectangular dielectric waveguide laser with a high-index inner cladding journal June 2009
Yb$^{{\bm 3+}}$ Ring Doping in High-Order-Mode Fiber for High-Power 977-nm Lasers and Amplifiers journal January 2009
Ultra-large effective-area, higher-order mode fibers: a new strategy for high-power lasers journal December 2008
Self-phase-modulation in silica optical fibers journal April 1978
High peak power ytterbium-doped fiber amplifiers conference February 2006
Photonic crystal fiber designs for power scaling of single-polarization amplifiers conference February 2007

Similar Records

Waveguides having patterned, flattened modes
Patent · Tue Oct 27 00:00:00 EDT 2015 · OSTI ID:1149998
Bandgap modes in a coupled waveguide array
Journal Article · Mon Aug 31 00:00:00 EDT 2009 · Quantum Electronics (Woodbury, N.Y.) · OSTI ID:1149998
+1 more
Atom trap and waveguide using a two-color evanescent light field around a subwavelength-diameter optical fiber
Journal Article · Wed Dec 01 00:00:00 EST 2004 · Physical Review. A · OSTI ID:1149998

Related Subjects

47 OTHER INSTRUMENTATION