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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 4, Iss. 3 — Mar. 10, 2006
  • pp: 167–169

Exponentially tapered multi-mode interference couplers

Jijiang Wu, Bangren Shi, and Mei Kong  »View Author Affiliations


Chinese Optics Letters, Vol. 4, Issue 3, pp. 167-169 (2006)


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Abstract

Optical couplers are important components in photonic integrated circuits. The multi-mode interference (MMI) coupler is a good candidate because of its bandwidth, polarization properties, and manufacturing tolerances. A MMI coupler with the exponentially tapered multi-mode waveguide is proposed in order to reduce the scale of the MMI device. Compared with parabolically tapered structure which has been successfully used in the MMI devices, this structure can further reduce the length of devices. Simulation results by the beam propagation method for MMI couplers are given. The effectiveness of this structure for reducing MMI device length is proved.

© 2005 Chinese Optics Letters

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(130.3120) Integrated optics : Integrated optics devices

Citation
Jijiang Wu, Bangren Shi, and Mei Kong, "Exponentially tapered multi-mode interference couplers," Chin. Opt. Lett. 4, 167-169 (2006)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-4-3-167

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