4 papers
Tracking exceptional points above laser threshold
Kaiwen Ji, Qi Zhong, Li Ge +5
Recent studies on non-Hermitian optical systems having exceptional points (EPs) have revealed a host of unique characteristics associated with these singularities, including unidir…
Arbitrary access temporal pulse cloaking and restoring in periodically poled lithium niobate
Yi'an Liu, Yuping Chen, Licheng Ge +3
Temporal cloaks have inspired the innovation of research on security and efficiency of quantum and fiber communications for concealing temporal events. The existing temporal cloaki…
Mode surgery of LN micro-resonator by femtosecond laser irradiation
Licheng Ge, Haowei Jiang Yi'an Liu, Bing Zhu +3
Lithium niobate(LN) microresonator is a key component in photonic integrated circuits. An intriguing phenomenon was observed that the quality factor for specific modes of the reson…
Broadband quasi-phase matching in MgO: PPLN thin film
Licheng Ge, Yuping Chen, Haowei Jiang +4
Future quantum information networks operated on telecom channels require qubit transfer between different wavelengths while preserving quantum coherence and entanglement. Qubit tra…