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Title: 2 × 3 photonic switch in SiGe for 1.55 μm operation
Authors: Chen, Z.
Li, B.
Chaudhari, B.S.
Chua, S.J. 
Keywords: Integrated optics
Multimode interference
Photonic switch
Issue Date: Mar-2006
Citation: Chen, Z.,Li, B.,Chaudhari, B.S.,Chua, S.J. (2006-03). 2 × 3 photonic switch in SiGe for 1.55 μm operation. Pan Tao Ti Hsueh Pao/Chinese Journal of Semiconductors 27 (3) : 494-498. ScholarBank@NUS Repository.
Abstract: A silicon-based photonic switch is proposed and simulated based on the multimode interference (MMI) principle and the free-carrier plasma dispersion effect in silicon-germanium. The proposed switch, designed for 1.55 μm window operation, is useful for DWDM optical networks. The switch consists of two input single-mode ridge waveguide ports, a MMI section, and three output single-mode ridge waveguide ports. In the MMI section, two index-modulation regions are placed to divert input optical signals from the two input ports to each of the three output ports. Switching characteristics are demonstrated theoretically by a beam propagation method for 1.55 μm operation. The simulated results show that the insertion loss of the switch is less than 1.43 dB, and the crosstalk is between -18 and -32.8 dB.
Source Title: Pan Tao Ti Hsueh Pao/Chinese Journal of Semiconductors
ISSN: 02534177
Appears in Collections:Staff Publications

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