Kobiako - von Gamm

An optical computing device (10) comprises an optical network having a plurality of multiplier units (1.1) and an optical medium (2) having a plurality of memory cells (2.1). Each multiplier unit (1.1) is in optical communication with a memory cell (2.1). Each multiplier unit (1.1) is configured to receive a first input signal and propagate the first input signal further towards a first memory cell (2.1) of the optical medium (2) for multiplying the first input signal with a first weight factor stored in the first memory cell (2.1). Each multiplier unit (1.1) is further configured to receive the first input signal multiplied with the first weight factor back from the first memory cell (2.1) to generate from the multiplied first input signal a first output signal for further processing.

An optical input-output device comprises an optical network (1) having a plurality of read units (1.1) and a plurality of write units (1.2) and is configured for performing read and write operations on an optical medium (2) having a plurality of memory cells (2.1). Each read unit (1.1) is configured to receive a read signal and propagate the read signal further towards the optical medium (2) for reading out information stored in a memory cell (2.1). Each read unit (1.1) is further configured to receive the read signal modulated by the memory cell back from the optical medium (2). Each write unit (1.2) is configured to receive a write signal and propagate the write signal further towards the optical medium (2) for writing information into a memory cell.

The disclosed method of manufacturing a circuit device comprises forming a Josephson junction (2) and a circuit element (4), spaced apart from the Josephson junction by a lateral gap (LG), on a substrate (1), and forming an air bridge (3) for electrically coupling the Josephson junction with the circuit element, wherein the air bridge bridges the lateral gap without making contact to the substrate. A corresponding circuit device as well as a topological circuit device, including several conductive islands, Josephson junctions, and air bridges coupling the junctions with the islands, are also disclosed.

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