Multistage polymeric lens structures integrated into silica waveguides

Atsushi Tate, Takanori Suzuki, Hiroyuki Tsuda

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A waveguide lens, composed of multistage polymer-filled thin grooves in a silica planar lightwave circuit (PLC) is proposed and a low-loss structure has been designed. A waveguide lens in a silica slab waveguide has been fabricated using reactive ion etching (RIE) and formed by filling with polymer. Both an imagding optical system and a Fourier-transform optical system can be configured in a PLC using a waveguide lens. It renders the PLC functional and its design flexible. To obtain a shorter focal length with a low insertion loss, it is more effective to use a multistage lens structure. An imaging optical system and a Fourier-transform optical system with a focal length of less than 1000 um were fabricated in silica waveguides using a multistage lens structure. The lens imaging waveguides incorporate a 16-24-stage lens, with insertion losses of 4-7dB. A 4 × 4 optical coupler, using a Fourier-transform optical system, utilizes a 6-stage lens with losses of 2-4dB.

Original languageEnglish
Pages (from-to)6288-6293
Number of pages6
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume45
Issue number8 A
DOIs
Publication statusPublished - 2006 Aug 4

Fingerprint

Lenses
Waveguides
Silica
lenses
silicon dioxide
waveguides
Optical systems
Fourier transforms
Insertion losses
insertion loss
Networks (circuits)
Filled polymers
Imaging techniques
Reactive ion etching
polymers
grooves
couplers
slabs
etching
Polymers

Keywords

  • Collimating lens
  • Imaging lens
  • Integrated optics
  • Multistage lens
  • Optical coupler
  • Silica waveguide

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Multistage polymeric lens structures integrated into silica waveguides. / Tate, Atsushi; Suzuki, Takanori; Tsuda, Hiroyuki.

In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 45, No. 8 A, 04.08.2006, p. 6288-6293.

Research output: Contribution to journalArticle

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