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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 17 — Sep. 1, 2014
  • pp: 5208–5211

Packaged, high-Q, microsphere-resonator-based add–drop filter

Pengfei Wang, Ming Ding, Ganapathy Senthil Murugan, Lin Bo, Chunying Guan, Yuliya Semenova, Qiang Wu, Gerald Farrell, and Gilberto Brambilla  »View Author Affiliations

Optics Letters, Vol. 39, Issue 17, pp. 5208-5211 (2014)

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In this Letter a packaged add–drop filter composed of a silica microsphere resonator and two fiber tapers is demonstrated theoretically and experimentally. A two-step fabrication process using an UV curable polymer is shown to stabilize the microsphere resonator with a diameter of 153 μm coupled to two tapered microfibers with diameters of 1.5 μm which are used as add and drop ports. A high loaded quality factor (Q-factor) of 0.9×105 and a free spectral range (FSR) of about 104 pm are obtained at around 1550 nm from the microsphere for the parallel coupling tapered fibers in the add–drop configuration. This device has a range of advantages, such as ease of fabrication, low-cost, and compatibility with traditional and commercial fiber systems.

© 2014 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(230.5750) Optical devices : Resonators
(230.7408) Optical devices : Wavelength filtering devices

ToC Category:
Optical Devices

Original Manuscript: June 5, 2014
Revised Manuscript: August 2, 2014
Manuscript Accepted: August 6, 2014
Published: August 29, 2014

Pengfei Wang, Ming Ding, Ganapathy Senthil Murugan, Lin Bo, Chunying Guan, Yuliya Semenova, Qiang Wu, Gerald Farrell, and Gilberto Brambilla, "Packaged, high-Q, microsphere-resonator-based add–drop filter," Opt. Lett. 39, 5208-5211 (2014)

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