MUMBAI, India, Nov. 2 -- Intellectual Property India has published a patent application (202641126461 A) filed by Presidency University on October 23, 2026, for Tunable Quantum Coupler Facilitating A Quantum Gate Between Qubits.
Inventors include Dr. R. Palanivel; Dr. M. Renuka Devi; Rajeswary Nair; D. Anjana; Dr. S. Krithika; and Dr. Usha Rani.
The application for the patent was published on October 30, 2026, under issue no. 44/2026.
Abstract: ABSTRACT TUNABLE QUANTUM COUPLER FACILITATING A QUANTUM GATE BETWEEN QUBITS Devices and/or computer-implemented methods to facilitate a quantum gate between qubits using a tunable coupler and a capacitor device are provided. According to present invention, a quantum coupler device (100) can comprise a tunable coupler coupled between terminals of a same polarity of a first qubit(102) and a second qubit(103), the tunable coupler configured to control a first coupling between the first qubit(102) and the second qubit(103). The quantum coupler device can further comprise a capacitor device coupled to terminals of an opposite polarity of the first qubit and the second qubit, the capacitor device configured to provide a second 10 coupling that is opposite in sign relative to the first coupling. Fig.2
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