G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/14 (2006.01) G02B 6/12 (2006.01) G02B 6/126 (2006.01) G02B 6/136 (2006.01)
Patent
CA 2179361
Integrated optical mode converter provided with a channel-shaped waveguide comprising a periodic concatenation of two wave-guiding subsections (P) and (Q) defined by a strip-shaped structure supported by a substrate. The waveguide profiles of the subsections (P) and (Q) are defined by two different partial strips, of which at least one is, but preferably both are, provided with a slot (SP, SQ) running in a longitudinal direction of the partial strip in question. The slots have been applied in such a manner that only the field distribution of one of the two guided modes involved in the mode conversion is affected. Purpose: increased conversion per interface; and lower attenuation in specific embodiments.
Pedersen Jýrgen Werngreen
Fetherstonhaugh & Co.
Koninklijke Kpn N.v.
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