Optical frequency comb generation from aluminum nitride microring resonator

Jung, Haemyeong; Xiong, Chi; Fong, King Yan; Zhang, Xufeng; Tang, Hong X.

doi:10.1364/ol.38.002810

Cited by 253 publications

(163 citation statements)

References 21 publications

(30 reference statements)

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“…Since this work the field of microresonator Kerr-combs has increased substantially. In the subsequent years, Kerr-combs have been demonstrated in a variety of platforms, including crystalline resonators [16], CMOS compatible platforms such as sili-con nitride (Si 3 N 4 ) [17,18,19], Hydex glass [20], as well as aluminum nitride [21] or diamond [22]. In addition to allowing for miniaturization and chip-scale integration of frequency comb oscillators, microresonator based Kerr-combs enable to attain wide comb line spacings in the technologically relevant 10 − 100 GHz range [23,24], which is not easily accessible using mode-locked laser frequency combs.…”

Section: Frequency Domain Time Domain Time E(t)mentioning

confidence: 99%

Dissipative Kerr Solitons in Optical Microresonators

Herr¹,

Gorodetsky²,

Kippenberg³

2015

Nonlinear Optical Cavity Dynamics

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This chapter describes the discovery and stable generation of temporal dissipative Kerr solitons in continuous-wave (CW) laser driven optical microresonators. The experimental signatures as well as the temporal and spectral characteristics of this class of bright solitons are discussed. Moreover, analytical and numerical descriptions are presented that do not only reproduce qualitative features but can also be used to accurately model and predict the characteristics of experimental systems. Particular emphasis lies on temporal dissipative Kerr solitons with regard to optical frequency comb generation where they are of particular importance. Here, one example is spectral broadening and selfreferencing enabled by the ultra-short pulsed nature of the solitons. Another example is dissipative Kerr soliton formation in integrated on-chip microresonators where the emission of a dispersive wave allows for the direct generation of unprecedentedly broadband and coherent soliton spectra with smooth spectral envelope.

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Section: Frequency Domain Time Domain Time E(t)mentioning

confidence: 99%

Dissipative Kerr Solitons in Optical Microresonators

Herr¹,

Gorodetsky²,

Kippenberg³

2015

Nonlinear Optical Cavity Dynamics

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show abstract

“…Since their invention, a miniaturized approach to the formation of a comb of optical frequencies has been proposed in high-Q microresonators [10,11]. These microcombs, or Kerr combs, have been demonstrated in several material systems [12][13][14][15], including certain planar systems suitable for monolithic integration [16][17][18][19][20]. They have been applied in demonstrations of microwave generation [12], waveform synthesis [18], optical atomic clocks [21] and coherent communications [22].…”

Section: Introductionmentioning

confidence: 99%

Soliton frequency comb at microwave rates in a high-Q silica microresonator

Yang

Suh

et al. 2015

Optica

490

452

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Frequency combs are having a broad impact on science and technology because they provide a way to coherently link radio/microwave-rate electrical signals with optical-rate signals derived from lasers and atomic transitions. Integrating these systems on a photonic chip would revolutionize instrumentation, time keeping, spectroscopy, navigation, and potentially create new mass-market applications. A key element of such a system-on-a-chip will be a mode-locked comb that can be self-referenced. The recent demonstration of soliton mode locking in crystalline and silicon nitride microresonators has provided a way to both mode lock and generate femtosecond time-scale pulses. Here, soliton mode locking is demonstrated in high-Q silica resonators. The resonators produce low-phase-noise soliton pulse trains at readily detectable pulse rates-two essential properties for the operation of frequency combs. A method for the long-term stabilization of the solitons is also demonstrated, and is used to test the theoretical dependence of the comb power, efficiency, and soliton existence power on the pulse width. The influence of the Raman process on the soliton existence power and efficiency is also observed. The resonators are microfabricated on silicon chips and feature reproducible modal properties required for soliton formation. A low-noise and detectable pulse rate soliton frequency comb on a chip is a significant step towards a fully integrated frequency comb system.

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“…These properties have encouraged in recent years the intense investigation of microresonator based frequency combs with the ultimate goal of realizing a self-referenced system. Progress in recent years includes new microresonator platforms in crystalline materials [23], fused silica microtoriods [16], and photonic chips (based on Silicon Nitride [24,25], Aluminum Nitride [26], Hydex [27,28] and diamond [29]). In addition, MFCs without self-referencing have been used for coherent telecommunications [15], compact atomic clocks [30], stabilized oscillators [31], and optical pulse generation [32][33][34].…”

mentioning

confidence: 99%

Counting the cycles of light using a self-referenced optical microresonator

Jost¹,

Herr²,

Lecaplain³

et al. 2015

Optica

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Phase coherently linking optical to radio frequencies with femtosecond mode-locked laser frequency combs enabled counting the cycles of light and is the basis of optical clocks, absolute frequency synthesis, tests of fundamental physics, and improved spectroscopy. Using an optical microresonator frequency comb to establish a coherent link between optical and microwave frequencies will extend optical frequency synthesis and measurements to areas requiring compact form factor, on chip integration and comb line spacing in the microwave regime, including coherent telecommunications, astrophysical spectrometer calibration or microwave photonics. Here we demonstrate a microwave to optical link with a microresonator. Using a temporal dissipative single soliton state in an ultra-high Q crystalline microresonator that is broadened in highly nonlinear fiber an optical frequency comb is generated that is self-referenced, allowing to phase coherently link a 190 THz optical carrier directly to a 14 GHz microwave frequency. Our work demonstrates precision optical frequency measurements can be realized with compact high Q microresonators.

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Optical frequency comb generation from aluminum nitride microring resonator

Cited by 253 publications

References 21 publications

Dissipative Kerr Solitons in Optical Microresonators

Dissipative Kerr Solitons in Optical Microresonators

Soliton frequency comb at microwave rates in a high-Q silica microresonator

Counting the cycles of light using a self-referenced optical microresonator

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