Robust cavity soliton formation with hybrid dispersion

Jing Wang; Yuhao Guo; Henan Liu; Lionel C. Kimerling; Jurgen Michel; Anuradha M. Agarwal; Guifang Li; Lin Zhang

doi:doi:10.1364/PRJ.6.000647

Photonics Research, 2018, 6 (6): 06000647, Published Online: Jul. 2, 2018

Robust cavity soliton formation with hybrid dispersion

Jing Wang ^1,2Yuhao Guo ^1,2Henan Liu ^1,2Lionel C. Kimerling ³Jurgen Michel ³Anuradha M. Agarwal ³Guifang Li ^1,2,4Lin Zhang ^1,2,*

Author Affiliations

¹ Key Laboratory of Opto-Electronic Information Technology of Ministry of Education, School of Precision Instrument and Opto-Electronics Engineering, Tianjin University, Tianjin 300072, China

² Key Laboratory of Integrated Opto-Electronic Technologies and Devices in Tianjin, School of Precision Instrument and Opto-Electronics Engineering, Tianjin University, Tianjin 300072, China

³ Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA

⁴ College of Optics and Photonics, CREOL and FPCE, University of Central Florida, Orlando, Florida 32816, USA

Figures & Tables

Fig. 1. Silicon nitride microring cavity produces hybrid dispersion by a nano-scale silica slot.

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Fig. 2. By increasing the thickness of the top Si3N4 layer, the dispersion profile is tailored, with more normal dispersion occurring within the low-dispersion band. The vertical lines indicate pump locations for Fig. 6.

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Fig. 3. Frequency dependences of the coupling coefficient, round-trip loss, and loaded Q-factor are shown in (a) and (b).

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Fig. 4. Existence of KSS and SRS increases cavity soliton pulsewidth, and a higher pump power is required to obtain the same pulsewidth.

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Fig. 5. Cavity soliton pulsewidth varies with pump power for different dispersion profiles that have increasingly more normal dispersion from WG1 to WG4 with (a) AOD only and (b) all perturbations. (c) Required pump power to produce a certain cavity soliton pulsewidth depends on the second-order dispersion value.

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Fig. 6. Intra-cavity temporal waveforms with the pump placed at different wavelengths, as shown in Fig. 2, in a cavity formed with (a) WG3 and (b) WG4. The associated spectra are shown in (c) and (d).

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Jing Wang, Yuhao Guo, Henan Liu, Lionel C. Kimerling, Jurgen Michel, Anuradha M. Agarwal, Guifang Li, Lin Zhang. Robust cavity soliton formation with hybrid dispersion[J]. Photonics Research, 2018, 6(6): 06000647.

Robust cavity soliton formation with hybrid dispersion

Fig. 1. Silicon nitride microring cavity produces hybrid dispersion by a nano-scale silica slot.

Fig. 2. By increasing the thickness of the top Si3N4 layer, the dispersion profile is tailored, with more normal dispersion occurring within the low-dispersion band. The vertical lines indicate pump locations for Fig. 6.

Fig. 3. Frequency dependences of the coupling coefficient, round-trip loss, and loaded Q-factor are shown in (a) and (b).

Fig. 4. Existence of KSS and SRS increases cavity soliton pulsewidth, and a higher pump power is required to obtain the same pulsewidth.

Fig. 6. Intra-cavity temporal waveforms with the pump placed at different wavelengths, as shown in Fig. 2, in a cavity formed with (a) WG3 and (b) WG4. The associated spectra are shown in (c) and (d).

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Robust cavity soliton formation with hybrid dispersion

Fig. 1. Silicon nitride microring cavity produces hybrid dispersion by a nano-scale silica slot.

Fig. 2. By increasing the thickness of the top Si3N4 layer, the dispersion profile is tailored, with more normal dispersion occurring within the low-dispersion band. The vertical lines indicate pump locations for Fig. 6.

Fig. 3. Frequency dependences of the coupling coefficient, round-trip loss, and loaded Q-factor are shown in (a) and (b).

Fig. 4. Existence of KSS and SRS increases cavity soliton pulsewidth, and a higher pump power is required to obtain the same pulsewidth.

Fig. 6. Intra-cavity temporal waveforms with the pump placed at different wavelengths, as shown in Fig. 2, in a cavity formed with (a) WG3 and (b) WG4. The associated spectra are shown in (c) and (d).

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