Power characteristics of planar index-antiguided waveguide lasers with transverse mode competition

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Her, T. -H., Wang, C., Liu, Y., & Casperson, L. W. (2016). Power characteristics of planar index-antiguided waveguide lasers with transverse mode competition. Aip Advances. https://doi.org/doi:10.1063/1.4971307
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Description

We report comprehensive analysis of output characteristics of homogeneously broadened index-antiguided slab lasers with transverse mode competition. Robust single fundamental mode operation is achieved when the distributive modal loss due to index antiguiding dominates the output coupling loss. Maximal laser efficiency under single fundamental mode operation is investigated numerically for various combinations of single-pass gains and losses. We show analytically that an asymptotic limit of such efficiency exists that is solely determined by the loss ratio between the fundamental and 1st higher-order modes, which equals 66.7% for planar index antiguided lasers.

Details
Title

Power characteristics of planar index-antiguided waveguide lasers with transverse mode competition

Author(s)

Her, Tsing-Hua
Wang, Chaofan
Liu, Yuanye
Casperson, Lee W.

UNC Charlotte Affiliate Type

Faculty

Extent

1 online resource

Date Published

2016

Material Type

Journal article

Genre

articles

Resource Type

text

Abstract

We report comprehensive analysis of output characteristics of homogeneously broadened index-antiguided slab lasers with transverse mode competition. Robust single fundamental mode operation is achieved when the distributive modal loss due to index antiguiding dominates the output coupling loss. Maximal laser efficiency under single fundamental mode operation is investigated numerically for various combinations of single-pass gains and losses. We show analytically that an asymptotic limit of such efficiency exists that is solely determined by the loss ratio between the fundamental and 1st higher-order modes, which equals 66.7% for planar index antiguided lasers.

Subjects--Topics

Lasers
Lasers--Resonators

Is Part Of

AIP advances

Volume

Vol. 6

Language

English

Published Version (Please cite this version)

doi:10.1063/1.4971307

Permalink

http://hdl.handle.net/20.500.13093/work:250

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