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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 6 — Mar. 12, 2012
  • pp: 6575–6583

Mode profile imaging and loss measurement for uniform and tapered single-mode 3D waveguides in diffusive photopolymer

Chunfang Ye, Keith T. Kamysiak, Amy C. Sullivan, and Robert R. McLeod  »View Author Affiliations

Optics Express, Vol. 20, Issue 6, pp. 6575-6583 (2012)

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We demonstrate single-mode uniform and parabolically tapered three-dimensional waveguides fabricated via direct-write lithography in diffusion-based photopolymers. Modulation of the writing power is shown to compensate Beer-Lambert absorption in the single-photon initiator and to provide precise control of modal tapers. A laminated sample preparation is introduced to enable full 3D characterization of these modal tapers without the need for sample polishing which is difficult for this class of polymer. The accuracy and repeatability of this modal characterization is shown to allow precise measurement of propagation loss from single samples. These testing procedures are used to demonstrate single-mode waveguides with 0.147 dB/cm excess propagation loss and symmetrical tapers up to 1:2.5 using 1.5 microwatts of continuous write power.

© 2012 OSA

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(140.3450) Lasers and laser optics : Laser-induced chemistry
(230.7370) Optical devices : Waveguides

ToC Category:
Integrated Optics

Original Manuscript: December 20, 2011
Revised Manuscript: February 21, 2012
Manuscript Accepted: February 26, 2012
Published: March 6, 2012

Chunfang Ye, Keith T. Kamysiak, Amy C. Sullivan, and Robert R. McLeod, "Mode profile imaging and loss measurement for uniform and tapered single-mode 3D waveguides in diffusive photopolymer," Opt. Express 20, 6575-6583 (2012)

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