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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 11 — Jun. 1, 2013
  • pp: 1844–1846

Invariance of waveguide grating mirrors to lateral displacement phase shifts

Daniel Brown, Daniel Friedrich, Frank Brückner, Ludovico Carbone, Roman Schnabel, and Andreas Freise  »View Author Affiliations


Optics Letters, Vol. 38, Issue 11, pp. 1844-1846 (2013)
http://dx.doi.org/10.1364/OL.38.001844


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Abstract

We present a method to analyze the coupling of lateral displacements in nanoscale structures, in particular waveguide grating mirrors (WGMs), into the phase of a reflected Gaussian beam using a finite-difference time-domain simulation. Such phase noise is of interest for using WGMs in high-precision interferometry. We show that, to the precision of our simulations (107rad), waveguide mirrors do not couple lateral displacement into phase noise of a reflected beam and that WGMs are therefore not subject to the same stringent alignment requirements as previously proposed layouts using diffraction gratings.

© 2013 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(050.5080) Diffraction and gratings : Phase shift
(230.4040) Optical devices : Mirrors
(050.1755) Diffraction and gratings : Computational electromagnetic methods
(050.6624) Diffraction and gratings : Subwavelength structures

ToC Category:
Diffraction and Gratings

History
Original Manuscript: March 8, 2013
Revised Manuscript: April 29, 2013
Manuscript Accepted: April 29, 2013
Published: May 21, 2013

Citation
Daniel Brown, Daniel Friedrich, Frank Brückner, Ludovico Carbone, Roman Schnabel, and Andreas Freise, "Invariance of waveguide grating mirrors to lateral displacement phase shifts," Opt. Lett. 38, 1844-1846 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-11-1844

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