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Journal of Lightwave Technology

Journal of Lightwave Technology


  • Vol. 29, Iss. 16 — Aug. 15, 2011
  • pp: 2387–2393

Microring Resonator Wavelength Tunable Filter Using Five-Layer Asymmetric Coupled Quantum Well

Taro Makino, Tsuyoshi Gotoh, Ryo Hasegawa, Taro Arakawa, and Yasuo Kokubun

Journal of Lightwave Technology, Vol. 29, Issue 16, pp. 2387-2393 (2011)

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We propose and demonstrate a semiconductor single microring resonator wavelength tunable filter utilizing InGaAs/InAlAs five-layer asymmetric coupled quantum wells for a fast low-power operation. A directional coupler with a shallow gap is used for coupling between busline and microring waveguides to control precisely the coupling efficiency. A wafer is grown by molecular beam epitaxy, and the waveguides are fabricated by two-step inductively coupled plasma reactive ion etching. The resonant wavelength shift of 0.9 nm is obtained under the reverse bias of 13 V.

© 2011 IEEE

Taro Makino, Tsuyoshi Gotoh, Ryo Hasegawa, Taro Arakawa, and Yasuo Kokubun, "Microring Resonator Wavelength Tunable Filter Using Five-Layer Asymmetric Coupled Quantum Well," J. Lightwave Technol. 29, 2387-2393 (2011)

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