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Title: General linewidth formula for steady-state multimode lasing in arbitrary cavities
Authors: Chong, Yidong
Stone, A. Douglas
Keywords: DRNTU::Science::Physics::Optics and light
Issue Date: 2012
Source: Chong, Y., & Stone, A. D. (2012). General Linewidth Formula for Steady-State Multimode Lasing in Arbitrary Cavities. Physical Review Letters, 109(6), 063902.
Series/Report no.: Physical review letters
Abstract: A formula for the laser linewidth of arbitrary cavities in the multimode nonlinear regime is derived from a scattering analysis of the solutions to semiclassical laser theory. The theory generalizes previous treatments of the effects of gain and openness described by the Petermann factor. The linewidth is expressed using quantities based on the nonlinear scattering matrix, which can be computed from steady-state ab initio laser theory; unlike previous treatments, no passive cavity or phenomenological parameters are involved. We find that low cavity quality factor, combined with significant dielectric dispersion, can cause substantial deviations from the Shawlow-Townes-Petermann theory.
DOI: 10.1103/PhysRevLett.109.063902
Schools: School of Physical and Mathematical Sciences 
Rights: © 2012 American Physical Society. This paper was published in Physical Review Letters and is made available as an electronic reprint (preprint) with permission of American Physical Society. The paper can be found at the following official DOI: [ ]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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