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Title: 3×2 integrated microphotonic switches
Authors: Li, B.
Chua, S.J. 
Fitzgerald, E.A.
Chaudhari, B.
Jiang, S.
Cai, Z.
Keywords: Integrated optics
Microphotonic switch
Multimode interference
Optical power splitter
Optical waveguide
Optoelectronic device
Semiconductor materials
Issue Date: 2005
Citation: Li, B., Chua, S.J., Fitzgerald, E.A., Chaudhari, B., Jiang, S., Cai, Z. (2005). 3×2 integrated microphotonic switches. Proceedings of SPIE - The International Society for Optical Engineering 5625 (PART 2) : 785-792. ScholarBank@NUS Repository.
Abstract: A microphotonic switch with three input waveguides and two output waveguides and integrated with an optical power splitter has been proposed. It is fabricated on the multimode interference principle in Si-based SiGe material system and configured for a 3 × 2 symmetrical structure of the three input waveguides and the two output waveguides of the device. The central waveguide section is based on a multimode interference and incorporated with an activated carrier injection element. The operating wavelengths of the device are specially designed for 1545, 1550, and 1555 nm conventional-band wavelengths. The measured crosstalk is at around -17 dB and the average insertion loss is about 2.3 dB. At switch-ON state, the measured injection current is 370 mA corresponding to an injection current density of 950 A/cm2.
Source Title: Proceedings of SPIE - The International Society for Optical Engineering
ISSN: 0277786X
DOI: 10.1117/12.566426
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