Co-packaged switch with integrated quantum key distribution capabilities

A networking device, comprising:

• a plurality of optical Input/Output (I/O) ports;
• a multi-chip module (MCM) assembly comprising switching circuitry and at least one chiplet that is optically coupled with one of the plurality of optical I/O ports;
• and
• a controller coupled with the at least one chiplet and configured to couple the at least one chiplet with a Quantum Key Distribution (QKD) device.

A device, comprising:

• processing circuitry configured to:
• facilitate communication between a quantum key distribution (QKD) device and a plurality of encryptor/decryptor devices of a plurality of chiplets coupled to a main chip;
• and
• perform at least one QKD function on behalf of the QKD device.

A switch, comprising:

• a multi-chip module (MCM) assembly, comprising:
• switching circuitry;
• an encryption unit that is configured to encrypt and/or decrypt communications processed by the switching circuitry;
• and
• a plurality of chiplets, wherein at least one of the plurality of chiplets comprises the encryption unit and
• a controller coupled with the MCM assembly and configured to provide interconnectivity between the MCM assembly and a Quantum Key Random Number Generator (QRNG).

A switch, comprising:

• a multi-chip module (MCM) assembly, comprising:
• switching circuitry configured to process electrical signals;
• and
• a plurality of chiplets in communication with the switching circuitry, wherein at least one of the plurality of chiplets is configured to process electrical signals and optical signals;
• and
• a controller coupled with the MCM assembly and configured to provide interconnectivity between the MCM assembly and a Quantum Key Distribution (QKD) device.