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Search Publications by: Xiyuan Lu (IntlAssoc)

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Displaying 1 - 25 of 58

Emerging integrated laser technologies in the visible and short near-infrared

October 18, 2024
Author(s)
Xiyuan Lu, Lin Chang, Minh Tran, Tin Komljenovic, John Bowers, Kartik Srinivasan
Applications in timekeeping, quantum sensing and quantum computing have sparked growing demand for high-performance photonic integrated circuit (PIC) lasers at visible and short near-infrared wavelengths between 400 nm and 1,000 nm. This Review summarizes

Strong interactions between integrated microresonators and alkali atomic vapors: towards single-atom, single-photon operation

September 24, 2024
Author(s)
Roy Zekzer, Xiyuan Lu, Khoi Hoang, Rahul Shrestha, Sharoon Austin, Feng Zhou, Ashish Chanana, Glenn Holland, Daron Westly, Paul Lett, Alexey Gorshkov, Kartik Srinivasan
Cavity quantum electrodynamics (cQED), the interaction of a two-level system with a high quality factor (Q) cavity, is a foundational building block in different architectures for quantum computation, communication, and metrology. The strong interaction

Highly-twisted states of light from a high quality factor photonic crystal ring

February 27, 2023
Author(s)
Xiyuan Lu, Mingkang Wang, Feng Zhou, Mikkel Heuck, Wenqi Zhu, Vladimir Aksyuk, Dirk Englund, Kartik Srinivasan
Twisted light with orbital angular momentum (OAM) has been extensively studied for applications in quantum and classical communications, microscopy, and optical micromanipulation. Ejecting the naturally high angular momentum whispering gallery modes (WGMs)

High-performance Kerr microresonator optical parametric oscillator on a silicon chip

January 16, 2023
Author(s)
Edgar Perez, Gregory Moille, Xiyuan Lu, Jordan Stone, Feng Zhou, Kartik Srinivasan
Optical parametric oscillation (OPO) is distinguished by its wavelength access, that is, the ability to flexibly generate coherent laser light at wavelengths that are dramatically different from the pump laser, and in principle bounded solely by energy

Rod and slit photonic crystal microrings for on-chip cavity quantum electrodynamics

January 10, 2023
Author(s)
Xiyuan Lu, Feng Zhou, Yi Sun, Mingkang Wang, Qingyang Yan, Ashish Chanana, Andrew McClung, Vladimir Aksyuk, Marcelo Davanco, Kartik Srinivasan
Micro-/nanocavities that combine high quality factor (Q) and small mode volume (V) have been used to enhance light-matter interactions for cavity quantum electrodynamics (cQED). Whispering gallery mode (WGM) geometries such as microdisks and microrings

Efficient chip-based optical parametric oscillators from 590 nm to 1150 nm

December 2, 2022
Author(s)
Jordan Stone, Xiyuan Lu, Gregory Moille, Kartik Srinivasan
Optical parametric oscillators are a ubiquitous technology used to generate coherent light at frequencies not accessible by conventional laser gain. However, chip-based parametric oscillators operating in the visible spectrum have suffered from pump-to

Fractional optical angular momentum and multi-defect-mediated mode renormalization and orientation control in photonic crystal microring resonators

October 28, 2022
Author(s)
Mingkang Wang, Feng Zhou, Xiyuan Lu, Andrew McClung, Vladimir Aksyuk, Kartik Srinivasan
Whispering gallery modes (WGMs) in circularly symmetric optical microresonators exhibit integer quantized angular momentum numbers due to the boundary condition imposed by the geometry. Here, we show that incorporating a photonic crystal pattern in an

Ultra-broadband Kerr microcomb through soliton spectral translation

December 14, 2021
Author(s)
Gregory Moille, Edgar Perez, Jordan Stone, Ashutosh Rao, Xiyuan Lu, Tahmid Rahman, Yanne Chembo, Kartik Srinivasan
Broad bandwidth and stable microresonator frequency combs are critical for optical atomic clocks, optical frequency synthesis, dual comb spectroscopy, and a host of other applications that require accurate and precise optical frequency measurements in a