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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 3 — Feb. 1, 2006
  • pp: 323–325

Method for measuring the phase error distribution of a wideband arrayed waveguide grating in the frequency domain

Kazumasa Takada and Shin-ichi Satoh  »View Author Affiliations


Optics Letters, Vol. 31, Issue 3, pp. 323-325 (2006)
http://dx.doi.org/10.1364/OL.31.000323


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Abstract

We describe a method for measuring the phase error distribution of an arrayed waveguide grating (AWG) in the frequency domain when the free spectral range (FSR) of the AWG is so wide that it cannot be covered by one tunable laser source. Our method is to sweep the light frequency in the neighborhoods of two successive peaks in the AWG transmission spectrum by using two laser sources with different tuning ranges. The method was confirmed experimentally by applying it to a 160 GHz spaced AWG with a FSR of 11 THz . The variations in the derived phase error data were very small at ± 0.02 rad around the central arrayed waveguides.

© 2006 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(130.2790) Integrated optics : Guided waves
(230.7390) Optical devices : Waveguides, planar

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: August 29, 2005
Revised Manuscript: October 12, 2005
Manuscript Accepted: October 14, 2005

Citation
Kazumasa Takada and Shin-ichi Satoh, "Method for measuring the phase error distribution of a wideband arrayed waveguide grating in the frequency domain," Opt. Lett. 31, 323-325 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-3-323

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