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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 17 — Sep. 1, 2014
  • pp: 5228–5231

Ultra-compact silicon photonic integrated interferometer for swept-source optical coherence tomography

Günay Yurtsever, Nicolás Weiss, Jeroen Kalkman, Ton G. van Leeuwen, and Roel Baets  »View Author Affiliations

Optics Letters, Vol. 39, Issue 17, pp. 5228-5231 (2014)

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We demonstrate an ultra-compact silicon integrated photonic interferometer for swept-source optical coherence tomography (SS-OCT). The footprint of the integrated interferometer is only 0.75×5mm2. The design consists of three 2×2 splitters, a 13 cm physical length (50.4 cm optical length) reference arm, and grating couplers. The photonic integrated circuit was used as the interferometer of an SS-OCT system. The sensitivity of the system was measured to be 62dB with 115 μW power delivered to the sample. Using the system, we demonstrate cross-sectional OCT imaging of a layered tissue phantom. We also discuss potential improvements in passive silicon photonic integrated circuit design and integration with active components.

© 2014 Optical Society of America

OCIS Codes
(110.4500) Imaging systems : Optical coherence tomography
(130.0130) Integrated optics : Integrated optics
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(100.3175) Image processing : Interferometric imaging

ToC Category:
Medical Optics and Biotechnology

Original Manuscript: June 3, 2014
Revised Manuscript: July 23, 2014
Manuscript Accepted: August 4, 2014
Published: August 29, 2014

Virtual Issues
Vol. 9, Iss. 11 Virtual Journal for Biomedical Optics

Günay Yurtsever, Nicolás Weiss, Jeroen Kalkman, Ton G. van Leeuwen, and Roel Baets, "Ultra-compact silicon photonic integrated interferometer for swept-source optical coherence tomography," Opt. Lett. 39, 5228-5231 (2014)

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