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Hybrid Integrated Quantum Photonics for Microwave-Optical Frequency Conversion.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Hybrid Integrated Quantum Photonics for Microwave-Optical Frequency Conversion./
作者:	Fu, Wei.
面頁冊數:	1 online resource (161 pages)
附註:	Source: Dissertations Abstracts International, Volume: 84-09, Section: B.
Contained By:	Dissertations Abstracts International84-09B.
標題:	Physics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=29166951click for full text (PQDT)
ISBN:	9798371913500

Hybrid Integrated Quantum Photonics for Microwave-Optical Frequency Conversion.
Fu, Wei.

Hybrid Integrated Quantum Photonics for Microwave-Optical Frequency Conversion. - 1 online resource (161 pages)

Source: Dissertations Abstracts International, Volume: 84-09, Section: B.

Thesis (Ph.D.)--Yale University, 2022.

Includes bibliographical references

The developments of on-chip quantum photonic circuits have enabled powerful resources to process quantum information. Compatible with large-scale modern nanofabrication processes, quantum photonic circuits show great scalability, stability, and integrability potential. However, a monolithic photonic platform alone cannot fulfill the stringent requirement for many quantum applications. It is incredibly challenging, for instance, to realize an on-demand single-photon source with monolithic photonic systems due to their weak nonlinearity. Hybrid integrated quantum photonics combines the strengths of multiple technologies, including superconducting circuits, mechanical systems, phononic circuits, and atom vapors, into a single functional device and holds great promise to expand the toolbox of integrated quantum photonics. A superconducting-photonic hybrid system, which can faithfully converter quantum signal between microwave and optical domain, is of particular interest to scalable quantum systems and the envisioned quantum network. This thesis will outline my work on developing hybrid integrated quantum photonic systems, including electro-optic, piezo-optomechanics, and phononics, for microwave-optical frequency conversions that interface superconducting quantum circuits and photonic integrated circuits.Chapter 1 will begin the thesis with a theoretical framework and a review on microwave-optical quantum frequency conversion. Microwave and optical photons are two principle carriers for quantum information. Microwave photons can be effectively manipulated by superconducting circuits at milli-Kelvin environments; optical photons transmit information over long distances in optical fibers. Therefore, microwave-to-optical (MO) quantum converters, which interface superconducting qubits and optical photons, represent an indispensable component in future quantum networks.In Chapter 2, we show our development of the electro-optics MO frequency converter. Harnessing a triple-resonant electro-optics, where a microwave signal and optical pump and signal are resonantly enhanced, we realized efficient MO conversion. We presented the device design, fabrication, method to calibrate the efficiency of MO converters. Finally, we discuss approaches to optimize the device performance.In Chapter 3, we present our effort on enhancing the electro-optical coupling strength via a mechanical resonator that simultaneously couples to microwave and optical cavities. The device design, alignment, and packaging are explained in details. We operate the device in pulsed optical drive mode and observed efficiency up to 6%. Moreover, orders of magnitude enhancement in interaction strengths were demonstrated compared with the EO device, showing great potential for quantum enabled MO conversion.In Chapter 4, we demonstrate MO conversion near the quantum ground state. Time evolution study reveals that the residual thermal excitation has contributions from different heating mechanisms, and suggests that the majority of the microwave thermal excitation is attributed to the superconductor absorption of stray light scattered off the chip-fiber interface. Our results point a clear pathway towards the microwave-optical quantum transduction based on cavity superconducting-optical circuits.In Chapter 5, we established a PnIC architecture based on GaN-on-sapphire semiconductor substrates. Low loss single-mode waveguides, chip-to-cable connectors, evanescent directional couplers, and waveguide coupled high-Q acoustic ring resonators have been presented to demonstrate basic functionalities of phononic circuits as an analogue to PICs.In the final Chapter 6, we summarize this thesis and discuss the future work towards applications of MO converter device other than direction quantum state, including quantum teleportation and control/readout of superconducting quantum circuits systems.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798371913500Subjects--Topical Terms:

516296
Physics.
Subjects--Index Terms:

Electro-opticsIndex Terms--Genre/Form:

542853
Electronic books.

Hybrid Integrated Quantum Photonics for Microwave-Optical Frequency Conversion.
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