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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 25 — Dec. 8, 2008
  • pp: 21053–21058

Extremely small multimode-interference coupled triangular resonator with sharp angle of incidence

Doo Gun Kim, Geum-Yoon Oh, Woon-Kyung Choi, Hyo Jin Kim, Seon Hoon Kim, Hyun Chul Ki, Sang-Taek Kim, Hang Ju Ko, Tae Un Kim, Myoung Hak Yang, Hwe Jong Kim, Jong Chang Yi, Youngchul Chung, Nadir Dagli, and Young-Wan Choi  »View Author Affiliations


Optics Express, Vol. 16, Issue 25, pp. 21053-21058 (2008)
http://dx.doi.org/10.1364/OE.16.021053


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Abstract

Novel triangular ring resonators combining extremely small multimode-interference (MMI) coupler, low loss total internal reflection (TIR) mirrors, and semiconductor optical amplifiers are reported for the first time. The MMI length of 90 µm is among the shortest reported. The incidence angle of the TIR mirror inside the resonator is 22°. A free-spectral range of approximately 2 nm is observed near 1550 nm along with an on-off ratio of 17 dB. The triangular resonators with a sharp angle are very attractive components due to their promise of compact size and high levels of integration. Therefore, large numbers of resonators can be integrated on a chip to increase functionality in future optical wavelength division multiplexing system.

© 2008 Optical Society of America

OCIS Codes
(230.3120) Optical devices : Integrated optics devices
(230.5750) Optical devices : Resonators
(130.7408) Integrated optics : Wavelength filtering devices

ToC Category:
Integrated Optics

History
Original Manuscript: October 9, 2008
Revised Manuscript: November 25, 2008
Manuscript Accepted: December 1, 2008
Published: December 4, 2008

Citation
Doo Gun Kim, Geum-Yoon Oh, Woon-Kyung Choi, Hyo Jin Kim, Seon Hoon Kim, Hyun Chul Ki, Sang-Taek Kim, Hang Ju Ko, Tae Un Kim, Myoung Hak Yang, Hwe Jong Kim, Jong Chang Yi, Youngchul Chung, Nadir Dagli, and Young-Wan Choi, "Extremely small multimode-interference coupled triangular resonator with sharp angle of incidence," Opt. Express 16, 21053-21058 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-25-21053


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