Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Gao, Maodong"'
Autor:
Gao, Maodong
Optical frequency combs (OFC) have been vastly developing and were awarded half of the Nobel Prize in 2005. OFCs are series of optical signals with distinct and equally spaced frequencies. One reason why OFCs are essential for modern optics and photo
Autor:
Wu, Lue, Gao, Maodong, Liu, Jin-Yu, Chen, Hao-Jing, Colburn, Kellan, Blauvelt, Henry A., Vahala, Kerry J.
Thermal silica is a common dielectric used in all silicon-photonic circuits. And bound hydroxyl ions (Si-OH) can provide a significant component of optical loss in this material on account of the wet nature of the thermal oxidation process. A conveni
Externí odkaz:
http://arxiv.org/abs/2303.17814
Autor:
Yuan, Zhiquan, Gao, Maodong, Yu, Yan, Wang, Heming, Jin, Warren, Ji, Qing-Xin, Feshali, Avi, Paniccia, Mario, Bowers, John, Vahala, Kerry
Soliton microcombs are helping to advance the miniaturization of a range of comb systems. These combs mode lock through the formation of short temporal pulses in anomalous dispersion resonators. Here, a new microcomb is demonstrated that mode locks t
Externí odkaz:
http://arxiv.org/abs/2301.10976
Autor:
Ji, Qing-Xin, Jin, Warren, Wu, Lue, Yu, Yan, Yuan, Zhiquan, Zhang, Wei, Gao, Maodong, Li, Bohan, Wang, Heming, Xiang, Chao, Guo, Joel, Feshali, Avi, Paniccia, Mario, Ilchenko, Vladimir S., Matsko, Andrey B., Bowers, John, Vahala, Kerry
Normal group velocity dispersion (GVD) microcombs offer high comb line power and high pumping efficiency compared to bright pulse microcombs. The recent demonstration of normal GVD microcombs using CMOS-foundry-produced microresonators is an importan
Externí odkaz:
http://arxiv.org/abs/2301.10969
Autor:
Jovanovic, Nemanja, Gatkine, Pradip, Shen, Boqiang, Gao, Maodong, Cvetojevic, Nick, Lawniczuk, Katarzyna, Broeke, Ronald, Beichman, Charles, Leifer, Stephanie, Jewell, Jeffery, Vasisht, Gautam, Mawet, Dimitri
Publikováno v:
Opt. Express 30, 36745-36760 (2022)
Spectral shaping is critical to many fields of science. In astronomy for example, the detection of exoplanets via the Doppler effect hinges on the ability to calibrate a high resolution spectrograph. Laser frequency combs can be used for this, but th
Externí odkaz:
http://arxiv.org/abs/2210.01264
Autor:
Jovanovic, Nemanja, Gatkine, Pradip, Shen, Boqiang, Gao, Maodong, Cvetojevic, Nick, Ławniczuk, Katarzyna, Broeke, Ronald, Beichman, Charles, Leifer, Stephanie, Jewell, Jeffery, Vasisht, Gautam, Mawet, Dimitri
Publikováno v:
Proc. SPIE 12188, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation V, 121885D (29 August 2022)
Laser frequency combs are fast becoming critical to reaching the highest radial velocity precisions. One shortcoming is the highly variable brightness of the comb lines across the spectrum (up to 4-5 orders of magnitude). This can result in some line
Externí odkaz:
http://arxiv.org/abs/2209.09455
Autor:
Gao, Maodong, Yang, Qi-Fan, Ji, Qing-Xin, Wang, Heming, Wu, Lue, Shen, Boqiang, Liu, Junqiu, Huang, Guanhao, Chang, Lin, Xie, Weiqiang, Yu, Su-Peng, Papp, Scott B., Bowers, John E., Kippenberg, Tobias J., Vahala, Kerry J.
Publikováno v:
Nature Communications 13, 3323 (2022)
Optical microresonators with high quality ($Q$) factors are essential to a wide range of integrated photonic devices. Steady efforts have been directed towards increasing microresonator $Q$ factors across a variety of platforms. With success in reduc
Externí odkaz:
http://arxiv.org/abs/2111.00105
Autor:
Yuan, Zhiquan, Wang, Heming, Liu, Peng, Li, Bohan, Shen, Boqiang, Gao, Maodong, Chang, Lin, Jin, Warren, Feshali, Avi, Paniccia, Mario, Bowers, John, Vahala, Kerry
Narrow-linewidth lasers are important to many applications spanning precision metrology to sensing systems. Characterization of these lasers requires precise measurements of their frequency noise spectra. Here we demonstrate a correlated self-heterod
Externí odkaz:
http://arxiv.org/abs/2010.09248
Autor:
Wang, Zhaoyou, Pechal, Marek, Wollack, E. Alex, Arrangoiz-Arriola, Patricio, Gao, Maodong, Lee, Nathan R., Safavi-Naeini, Amir H.
Publikováno v:
Phys. Rev. X 9, 021049 (2019)
Modulating the frequency of a harmonic oscillator at nearly twice its natural frequency leads to amplification and self-oscillation. Above the oscillation threshold, the field settles into a coherent oscillating state with a well-defined phase of eit
Externí odkaz:
http://arxiv.org/abs/1901.09171
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