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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 2 — Jan. 19, 2009
  • pp: 697–702

Sub-dB/cm propagation loss in silver stripe waveguides

Suntak Park, Jung Jin Ju, Jin Tae Kim, Min-su Kim, Seung Koo Park, Jong-Moo Lee, Wook-Jae Lee, and Myung-Hyun Lee  »View Author Affiliations

Optics Express, Vol. 17, Issue 2, pp. 697-702 (2009)

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We demonstrate sub-dB/cm propagation losses in polymer-based silver stripe waveguides at the wavelength of 1.31 μm. The silver stripe waveguides were fabricated in a low-loss fluorinated polymer clad. To form uniform metal stripe patterns, which are essential for reducing propagation loss, we developed a lift-off process using double layers of photoresist and SiNx. A propagation loss of less than 1.0 dB/cm was obtained with the 11-nm-thick silver stripes in the width range of 1.5 - 4.5 μm. A coupling loss of ~1.0 dB with a polarization maintaining single mode fiber was achieved for a width of 4.5 μm. For a width of 2.0 μm, we recorded a minimum propagation loss of 0.4 dB/cm, which is comparable with that of dielectric multi-mode waveguides.

© 2009 Optical Society of America

OCIS Codes
(230.7390) Optical devices : Waveguides, planar
(240.5420) Optics at surfaces : Polaritons
(240.6680) Optics at surfaces : Surface plasmons
(130.5460) Integrated optics : Polymer waveguides

ToC Category:
Optics at Surfaces

Original Manuscript: September 23, 2008
Revised Manuscript: December 18, 2008
Manuscript Accepted: January 6, 2009
Published: January 8, 2009

Suntak Park, Jung Jin Ju, Jin Tae Kim, Min-su Kim, Seung Koo Park, Jong-Moo Lee, Wook-Jae Lee, and Myung-Hyun Lee, "Sub-dB/cm propagation loss in silver stripe waveguides," Opt. Express 17, 697-702 (2009)

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