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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 36, Iss. 7 — Apr. 1, 2011
  • pp: 1044–1046

Correction for phase-shift deviation in a complex Fourier-transform integrated-optic spatial heterodyne spectrometer with an active phase-shift scheme

Kazumasa Takada, Hirotaka Aoyagi, and Katsunari Okamoto  »View Author Affiliations


Optics Letters, Vol. 36, Issue 7, pp. 1044-1046 (2011)
http://dx.doi.org/10.1364/OL.36.001044


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Abstract

We report that a spectrum can be retrieved with a planar waveguide spatial heterodyne spectrometer (SHS) incorporating an active phase-shift scheme, where the phase shifts are distributed around π / 2 . This was confirmed experimentally with an SHS that had 32 interleaved Mach–Zehnder interferometers and whose free spectral range was 625 GHz . The phase shifts ranged from 0.71 to 2.2 rad against the target of π / 2 rad .

© 2011 Optical Society of America

OCIS Codes
(230.3120) Optical devices : Integrated optics devices
(300.6300) Spectroscopy : Spectroscopy, Fourier transforms

ToC Category:
Optical Devices

History
Original Manuscript: January 14, 2011
Revised Manuscript: February 17, 2011
Manuscript Accepted: February 22, 2011
Published: March 16, 2011

Citation
Kazumasa Takada, Hirotaka Aoyagi, and Katsunari Okamoto, "Correction for phase-shift deviation in a complex Fourier-transform integrated-optic spatial heterodyne spectrometer with an active phase-shift scheme," Opt. Lett. 36, 1044-1046 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-7-1044

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