ISOLATOR, LIGHT SOURCE APPARATUS, OPTICAL TRANSCEIVER, OPTICAL SWITCH, OPTICAL AMPLIFIER, AND DATA CENTER
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United States of America
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Issued Date -
Jan 27, 2022
app pub date -
Nov 1, 2019
filing date -
Nov 1, 2019
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Abstract
An isolator includes a first waveguide with a linear shape and a second waveguide with an annular shape on a substrate including a substrate surface, the first waveguide being positioned along the substrate surface. The first waveguide and the second waveguide each include a core and a cladding. The first waveguide includes a first end, a second end, and a port at each of the first end and the second end for input and output of electromagnetic waves. The core of the second waveguide includes a non-reciprocal member in at least a portion of a cross-section intersecting a direction in which the second waveguide extends.
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