137 citations · 403 across the 11 of their papers we have counts for
8 papers · 1 filter
Enhancement of quantum coherence in solid-state qubits via interface engineering
Wing Ki Lo, Yaowen Zhang, Ho Yin Chow +8
Shallow nitrogen-vacancy (NV) centers in diamond are promising quantum sensors but suffer from noise-induced short coherence times due to bulk and surface impurities. We present in…
Studying Critical Parameters of Superconductor via Diamond Quantum Sensors
Kin On Ho, Wai Kuen Leung, Yiu Yung Pang +11
Critical parameters are the key to superconductivity research, and reliable instrumentations can facilitate the study. Traditionally, one has to use several different measurement t…
Spectroscopy Study on NV Sensors in Diamond-based High-pressure Devices
Kin On Ho, Man Yin Leung, Wenyan Wang +7
Recently, the negatively charged nitrogen-vacancy (NV) center has emerged as a robust and versatile quantum sensor in pressurized environments. There are two popular ways to implem…
Probing the Evolution of Electron Spin Wavefunction of NV Center in diamond via Pressure Tuning
Kin On Ho, Man Yin Leung, P. Reddy +11
Understanding the profile of a qubit's wavefunction is key to its quantum applications. Unlike conducting systems, where a scanning tunneling microscope can be used to probe the el…
Microscopic study of optically-stable, coherent color centers in diamond generated by high-temperature annealing
King Cho Wong, San Lam Ng, Kin On Ho +9
Single color centers in solid have emerged as promising physical platforms for quantum information science. Creating these centers with excellent quantum properties is a key founda…
Nanoscale electric-field imaging based on a quantum sensor and its charge-state control under ambient condition
Ke Bian, Wentian Zheng, Xianzhe Zeng +6
Nitrogen-vacancy (NV) centers in diamond can be used as quantum sensors to image the magnetic field with nanoscale resolution. However, nanoscale electric-field mapping has not bee…
A universal method for depositing patterned materials in-situ
Yifan Chen, Siu Fai Hung, Wing Ki Lo +6
Current techniques of patterned material deposition require separate steps for patterning and material deposition. The complexity and harsh working conditions post serious limitati…
Quantum sensing of local magnetic field texture in strongly correlated electron systems under extreme conditions
King Yau Yip, Kin On Ho, King Yiu Yu +8
An important feature of strong correlated electron systems is the tunability between interesting ground states such as unconventional superconductivity and exotic magnetism. Pressu…