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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 18 — Sep. 15, 2006
  • pp: 2713–2715

Universally balanced photonic interferometers

Miloš A. Popović, Erich P. Ippen, and Franz X. Kärtner  »View Author Affiliations

Optics Letters, Vol. 31, Issue 18, pp. 2713-2715 (2006)

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A new general class of optical interferometers is proposed, and the physical principle of their operation is explained. They split the spectrum entering one input port among the interferometer arms in an arbitrarily chosen wavelength- and/or time-dependent manner but guarantee broadband constructive interference into a single output port by symmetry. The design relies only on time reversibility of Maxwell’s equations and a phase condition that holds for lossless, reflectionless four-ports. As an application, a new Vernier scheme is proposed to multiply the tuning and free spectral range of microphotonic add–drop filters. It provides effective suppression of both the amplitude and the phase response of unwanted resonant passbands.

© 2006 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.3810) Optical devices : Magneto-optic systems
(260.3160) Physical optics : Interference
(350.2460) Other areas of optics : Filters, interference

ToC Category:
Integrated Optics

Original Manuscript: April 17, 2006
Revised Manuscript: June 3, 2006
Manuscript Accepted: June 3, 2006
Published: August 25, 2006

Miloš A. Popović, Erich P. Ippen, and Franz X. Kärtner, "Universally balanced photonic interferometers," Opt. Lett. 31, 2713-2715 (2006)

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