Broadband Quasi-Phase-Matched Harmonic Generation in an On-Chip Monocrystalline Lithium Niobate Microdisk Resonator

Lin, Jintian; Ni, Yang; Hao, Zhineng; Zhang, Jianhao; Mao, Wenbo; Wang, Min; Chu, Wei; Wu, Rongbo; Fang, Zhiwei; Qiao, Lingling; Fang, Wei; Fang, Bo; Cheng, Ya

doi:10.1103/physrevlett.122.173903

Cited by 186 publications

(140 citation statements)

References 33 publications

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“…However, effective four-wave mixing, that is, Kerr nonlinearity, has been recently reported through cascaded SHG-DFG process in TFLN microdisk. [167] Third [105,[168][169][170][171] and fourth [105,168,169] harmonic generation have also been observed through similar cascaded nonlinear processes. Cascaded nonlinearity has enabled multi-octave supercontinuum Figure 13.…”

Section: Other Nonlinear Applications Of Tfln Waveguidesmentioning

confidence: 99%

Rejuvenating a Versatile Photonic Material: Thin‐Film Lithium Niobate

Honardoost

Abdelsalam

Fathpour

2020

Laser & Photonics Reviews

110

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The excellent optical and unique material properties of lithium niobate have long established it as a prevailing photonic material, especially for the long‐haul telecom modulator and wavelength‐converter applications. However, conventional lithium niobate optical waveguides are bulky, hence large‐scale photonic circuit implementations are impeded and high power requirements are imposed. To address these shortcomings, thin‐film lithium niobate technology has been a topic of intense research in the last few years and a plethora of ultracompact devices with significantly superior performances than the conventional counterparts have been demonstrated. These efforts have rejuvenated lithium niobate for novel electro‐, nonlinear‐, and quantum‐optic applications. Herein, the most recent advancements of this booming field are summarized and a perspective for future directions is given.

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Section: Other Nonlinear Applications Of Tfln Waveguidesmentioning

confidence: 99%

Rejuvenating a Versatile Photonic Material: Thin‐Film Lithium Niobate

Honardoost

Abdelsalam

Fathpour

2020

Laser & Photonics Reviews

110

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“…In recent years, photonic devices based on LNOI, including waveguides [6,7], microring resonators [1,8], microdisk resonators [9][10][11], and photonic crystal cavities [12,13] have been developed. On-chip functionalities, such as second harmonic generation [13][14][15][16][17][18], electro-optic modulator [3,[19][20][21][22][23], and optical frequency comb [24,25], have experienced rapid progress with the above-mentioned LNOI micro-/nanodevices. Importantly, many integrated on-chip lithium niobate (LN) devices developed recently already feature low propagation losses [6][7][8]10], which is critical for practical applications.…”

Section: Introductionmentioning

confidence: 99%

Efficient light coupling between an ultra-low loss lithium niobate waveguide and an adiabatically tapered single mode optical fiber

Ni¹,

Zhou²,

Gao³

et al. 2020

Opt. Express

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A lithium niobate on insulator ridge waveguide allows constructing high-density photonic integrated circuits thanks to its small bending radius offered by the high index contrast. Meanwhile, the significant mode-field mismatch between an optical fiber and the single-mode lithium niobate waveguide leads to low coupling efficiencies. Here, we demonstrate, both numerically and experimentally, that the problem can be solved with a tapered single mode fiber of an optimized mode field profile. Numerical simulation shows that the minimum coupling losses for the TE and TM mode are 0.32 dB and 0.86 dB, respectively. Experimentally, though without anti-reflection coating, the measured coupling losses for TE and TM mode are 1.32 dB and 1.88 dB, respectively. Our technique paves a way for a broad range of on-chip lithium niobate applications.

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“…Until recently, silicon photonics has been the main platform for PIC applications owing to its compatibility with the mature complementary-metal-oxidesemiconductor (CMOS) technology [1,2]. In the meantime, lithium niobate (LN) photonics has been emerging as an alternative and/or complementary approach for realizing large-scale PICs, thanks to the recent advances in the development of fabrication technologies of high quality photonic microand nanostructures such as low-loss waveguides and high quality factor (Q factor) microresonators on lithium niobate on insulator (LNOI) [3][4][5][6][7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Fabrication of a multifunctional photonic integrated chip on lithium niobate on insulator using femtosecond laser-assisted chemomechanical polish

Lin

Wang

et al. 2019

Opt. Lett.

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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. We demonstrate a high extinction ratio beam splitter, a 1 × 6 optical switch, and a balanced 3 × 3 interferometer on the fabricated chip by reconfiguring the microelectrode array integrated with the multifunctional photonic circuit.

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Broadband Quasi-Phase-Matched Harmonic Generation in an On-Chip Monocrystalline Lithium Niobate Microdisk Resonator

Cited by 186 publications

References 33 publications

Rejuvenating a Versatile Photonic Material: Thin‐Film Lithium Niobate

Rejuvenating a Versatile Photonic Material: Thin‐Film Lithium Niobate

Efficient light coupling between an ultra-low loss lithium niobate waveguide and an adiabatically tapered single mode optical fiber

Fabrication of a multifunctional photonic integrated chip on lithium niobate on insulator using femtosecond laser-assisted chemomechanical polish

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