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Year 1·Month 14·Week 4

Day 391: Tunnel Diodes & Josephson Effect

Day 391 of 2,016~18 min read

Learning Objectives

•**Explain** how tunneling creates negative differential resistance in Esaki diodes
•**Derive** the current-voltage characteristic of tunnel diodes
•**Describe** both DC and AC Josephson effects in superconducting junctions
•**Understand** how Josephson junctions form the basis of superconducting qubits
•**Analyze** the physics of SQUIDs and their quantum applications
•**Connect** tunneling phenomena to modern quantum computing technology

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