207 citations · 712 across the 29 of their papers we have counts for
29 papers
High-Q Lithium Niobate Microring Resonator with Electro-Optically Reconfigurable Coupling Strength
Yuan Ren, Yong Zheng, Ruixue Liu +5
The development of sophisticated integrated photonic circuits demands microresonators that combine exceptional optical confinement with dynamic operational flexibility. Here, we de…
Near-Zero Crosstalk and Ultra-Low Loss Waveguide Crossings Enabled by three-dimensional Ta2O5-on-LNOI Integrated Photonic Platform
Boyang Nan, Yuan Ren, Rongbo Wu +5
Waveguide crossings represent one of the most critical components in very-large-scale photonic integration (VLSPI). Three-dimensional waveguide crossings, which distribute optical…
Monolithic low-noise erbium-doped thin-film lithium niobate waveguide amplifier with 18 dB fiber to fiber net gain
Mengqi Li, Jianping Yu, Zhe Wang +5
Erbium-doped waveguide amplifiers have captured great attentions in recent years due to the rapid advance of photonic integration materials and fabrication techniques. In this work…
An erbium-doped waveguide amplifier on thin film lithium niobate with an output power exceeding 100 mW
Rui Bao, Zhiwei Fang, Jian Liu +6
We demonstrate high-power thin film lithium niobate (TFLN) erbium-doped waveguide amplifier (EDWA) with a maximum on-chip output power of 113 mW and a gain of 16 dB. The on-chip in…
Photonic Neural Network Fabricated on Thin Film Lithium Niobate for High-Fidelity and Power-Efficient Matrix Computation
Yong Zheng, Rongbo Wu, Yuan Ren +5
Photonic neural networks (PNNs) have emerged as a promising platform to address the energy consumption issue that comes with the advancement of artificial intelligence technology,…
On-chip wavelength division multiplexing by angled multimode interferometer fabricated on erbium-doped thin film lithium niobate on insulator
Jinli Han, Rui Bao, Rongbo Wu +9
Photonic integrated circuits based on erbium doped thin film lithium niobate on insulator has attracted broad interests with insofar various waveguide amplifiers and microlasers de…
Gigahertz-rate-switchable wavefront shaping through integration of metasurfaces with photonic integrated circuit
Haozong Zhong, Yong Zheng, Jiacheng Sun +12
Achieving spatiotemporal control of light at high-speeds presents immense possibilities for various applications in communication, computation, metrology, and sensing. The integrat…
Electro-optically programmable photonic circuits enabled by wafer-scale integration on thin-film lithium niobate
Yong Zheng, Haozong Zhong, Haisu Zhang +10
Programmable photonic circuits performing universal linear-optical transformations underpin vital functions in photonic quantum information processing, quantum-enhanced sensor netw…
On-chip single-mode thin film lithium niobate laser based on Sagnac loop reflectors
Shupeng Yu, Zhiwei Fang, Zhe Wang +7
We demonstrate an on-chip single-mode Er3+-doped thin film lithium niobate (Er: TFLN) laser which consists of a Fabry-Pérot (FP) resonator based on Sagnac loop reflectors (SLRs). T…
Monolithically integrated active passive waveguide array fabricated on thin film lithium niobate using a single continuous photolithography process
Yuan Zhou, Yiran Zhu, Zhiwei Fang +13
We demonstrate a robust low-loss optical interface by tiling passive (i.e., without doping of active ions) thin film lithium niobate (TFLN) and active (i.e., doped with rare earth…
Electrically driven compact hybrid lithium niobate microring laser
Junxia Zhou, Ting Huang, Zhiwei Fang +7
We demonstrate an electrically driven compact hybrid lithium niobate microring laser by butt coupling a commercial 980-nm pump laser diode chip with a high quality Er3+-doped lithi…
Monolithically integrated waveguide-coupled single-frequency microlaser on erbium-doped thin film lithium niobate
Youting Liang, Junxia Zhou, Rongbo Wu +10
We overcome the difficulty in realizing a monolithic waveguide-coupled microring laser integrated on erbium-doped thin film lithium niobate (Er: TFLN) using photolithography assist…
High-production-rate fabrication of low-loss lithium niobate electro-optic modulators using photolithography assisted chemo-mechanical etching (PLACE)
Rongbo Wu, Lang Gao, Youting Liang +7
Integrated thin-film lithium niobate (LN) electro-optic (EO) modulators of broad bandwidth, low insertion loss, low cost and high production rate are essential elements in contempo…
A high-gain cladded waveguide amplifier on erbium doped thin-film lithium niobate fabricated using photolithography assisted chemo-mechanical etching
Youting Liang, Junxia Zhou, Zhaoxiang Liu +9
Erbium doped integrated waveguide amplifier and laser prevail in power consumption, footprint, stability and scalability over the counterparts in bulk materials, underpinning the l…
On-chip multi-color microdisk laser on Yb3+-doped thin-film lithium niobate
Yuan Zhou, Zhe Wang, Zhiwei Fang +12
We demonstrate an on-chip Yb3+-doped lithium niobate (LN) microdisk laser. The intrinsic quality factors of the fabricated Yb3+-doped LN microdisk resonator are measured up to 3.79…
An electro-optically tunable microring laser monolithically integrated on lithium niobate on insulator
Difeng Yin, Yuan Zhou, Zhaoxiang Liu +9
We demonstrate monolithic integration of an electro-optically (EO) tunable microring laser on lithium niobate on insulator (LNOI) platform. The device is fabricated by photolithogr…
On-chip integrated waveguide amplifiers on Erbium-doped thin film lithium niobate on insulator
Junxia Zhou, Youting Liang, Zhaoxiang Liu +11
We demonstrate on-chip light amplification with integrated optical waveguide fabricated on erbium-doped thin film lithium niobate on insulator (TFLNOI) using the photolithography a…
An on-chip tunable micro-disk laser fabricated on Er3+ doped lithium niobate on insulator (LNOI)
Zhe Wang, Zhiwei Fang, Zhaoxiang Liu +7
We demonstrate a C-band wavelength-tunable microlaser with an Er3+ doped high quality (~1.02x10^6) lithium niobate microdisk resonator. With a 976 nm continuous-wave pump laser, la…
Polygon Coherent Modes in aWeakly Perturbed Whispering Gallery Microresonator for Efficient Second Harmonic, Optomechanic and Frequency Comb Generations
Zhiwei Fang, Sanaul Haque, Farajollahi Saeed +8
We observe high optical quality factor (Q) polygonal and star coherent optical modes in a lithium niobate microdisk. In contrast to the previous polygon modes achieved by deformed…
High-index-contrast single-mode optical waveguides fabricated on lithium niobate by photolithography assisted chemo-mechanical etching (PLACE)
Jianhao Zhang, Rongbo Wu, Min Wang +7
We report fabrication of low loss single mode waveguides on lithium niobate on insulator (LNOI) cladded by a layer of SiO2. Our technique, termed photolithography assisted chemo-me…
Efficient Electro-optical Tuning of Optical Frequency Microcomb on a Monolithically Integrated High-Q Lithium Niobate Microdisk
Zhiwei Fang, Haipeng Luo, Jintian Lin +7
We demonstrate efficient tuning of a monolithically integrated lithium niobate microdisk (LN) optical frequency microcomb. Utilizing the high optical quality (Q) factor (i.e., Q~7.…
Fabrication of a multifunctional photonic integrated chip on lithium niobate on insulator using femtosecond laser assisted chemo-mechanical polish
Rongbo Wu, Jintian Lin, Min Wang +5
We report fabrication of a multifunctional photonic integrated chip on lithium niobate on insulate (LNOI), which is achieved by femtosecond laser assisted chemo-mechanical polish.…
High-precision measurement of a propagation loss of single-mode optical waveguides on lithium niobate on insulator
Jintian Lin, Junxia Zhou, Rongbo Wu +6
We demonstrate fabrication of single-mode optical waveguides on lithium niobate on insulator (LNOI) by optical patterning combined with chemo-mechanical polishing. The fabricated L…
Real-time Electrical Tuning of an Optical Spring on a Monolithically Integrated Ultrahigh Q Lithium Nibote Microresonator
Zhiwei Fang, Sanaul Haque, Jintian Lin +7
Cavity optomechanics, the study of the interplay between light and mechanical properties of matter, has triggered a wide range of groundbreaking researches from cavity quantum elec…