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Optics Letters

Optics Letters


  • Vol. 33, Iss. 9 — May. 1, 2008
  • pp: 896–898

Fiber-to-waveguide coupler based on the parabolic reflector

Thomas Dillon, Janusz Murakowski, Shouyuan Shi, and Dennis Prather  »View Author Affiliations

Optics Letters, Vol. 33, Issue 9, pp. 896-898 (2008)

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We present a fiber-to-waveguide coupling structure, the so-called vertical J coupler, based on the parabolic reflector. The device addresses the multiple objectives of high coupling efficiency, large bandwidth operation, polarization insensitivity, and compact footprint. The optical mode emanating from a fiber arranged normal to the plane of the substrate is incident underneath the parabolic reflector, turned through 90° and focused into a dielectric waveguide. The viability of the coupler is demonstrated by finite-difference time-domain electromagnetic simulation as well as preliminary fabrication and optical testing of the device.

© 2008 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(230.3120) Optical devices : Integrated optics devices
(230.4000) Optical devices : Microstructure fabrication

ToC Category:
Optical Devices

Original Manuscript: December 5, 2007
Revised Manuscript: February 28, 2008
Manuscript Accepted: March 5, 2008
Published: April 21, 2008

Thomas Dillon, Janusz Murakowski, Shouyuan Shi, and Dennis Prather, "Fiber-to-waveguide coupler based on the parabolic reflector," Opt. Lett. 33, 896-898 (2008)

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