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Fused vertical couplers (1998)

Liu, Bin ; Shakouri, Ali ; Abraham, Patrick ; [et al.]

Woodbury, NY : American Institute of Physics (AIP)

Applied Physics Letters 72 (1998), S. 2637-2638

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ISSN: 1077-3118

Source: AIP Digital Archive

Topics: Physics

Notes: A vertical directional coupler fabricated using wafer fusion is demonstrated with a very short coupling length of 62 μm. The optical propagation loss introduced by the fused layer is investigated. An excess loss of 1.1 dB/cm at 1.55 μm was measured for waveguides which incorporate a fused junction near the core region. Fused vertical couplers make it possible to realize three-dimensional waveguide structures and compact switching arrays and they solve some of the topology problems of large switch arrays. © 1998 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.121440

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