MODE CONVERSION ELEMENT

WIPO Patent Application WO/2014/034249

A1

[Problem] To provide a mode conversion element that can output light similar to the light strength distribution of LP21 in accordance with a unique high-order mode of an optical fiber (multimode fiber, few-mode fiber, multicore fiber). The mode conversion element (100) is provided with: a 2×1-type MMI waveguide (1) having two input ports and one output port and of which the thickness (d) of a core layer (12) permits first-order mode light; two input waveguides (2) of which one end is connected respectively to the input ports of the MMI waveguide (1); and one output waveguide (3) of which one end is connected to the output port of the MMI waveguide (1).

JP2005505795	Electromagnetic field conversion system
JP5276021	Prevention of dielectric breakdown of optical fibers

HAMAMOTO KIICHI (JP)

PCT/JP2013/067885

March 06, 2014

June 28, 2013

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UNIV KYUSHU NAT UNIV CORP (JP)

G02B6/14; G02B6/122

JPH11502634A	1999-03-02
JP2007072133A	2007-03-22

ZHAO, Z. ET AL.: "Mode Converter by Using MMI (Multi-Mode Interference) for Mode Multiplexing Transmission", 2012 NEN THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS SOGO TAIKAI KOEN RONBUNSHU ELECTRONICS 1, 6 March 2012 (2012-03-06), pages 151
PARK,J.B. ET AL.: "Variable Optical Mode Generator in a Multimode Waveguide", IEEE PHOTONICS TECHNOLOGY LETTERS, vol. 18, no. 20, 15 October 2006 (2006-10-15), pages 2084 - 2086

HIRAI YASUO (JP)
Yasuo Hirai (JP)

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