Professor Liu,Yi- Wei

Professor

Liu,Yi- Wei

Personal Website

Office：886-3-5742277(PHYS R410)

Laboratory：Atom Manipulation Laboratory

Lab Tel： 886-3-5733295(PHYS R309)

Fax：886-3-5723052

E-mail：ywliu@phys.nthu.edu.tw

	Education
1995-1999 Ph.D. in Physics, University of Oxford, UK. 1990-1992 M.S. in Physics, National Tsing Hua University, R.O.C. 1986-1990 B.S. in Physics, National Cheng Kung University, R.O.C.
	Professional Experience
Current position： 2013-present, Professor of physics Dept., National Tsing Hua University, R.O.C. Experience： 2005-2013, Associate Professor of physics Dept., National Tsing Hua University, R.O.C. 2001-2005, Assistant Professor of physics Dept., National Tsing Hua University, R.O.C. 1999-2001, Associate Research Scientist (postdoctor), Yale University, U.S.A. 1999-2001, postdoctor researcher, experimental particle physics, Paul Scherrer Institut, Switzerland.
	Research Fields
atomic physics laser physics optics laser spectroscopy quantum optics
	Research Interests and achievement
Updated on September 3, 2006 1. Developing slow atomic beam of thallium using laser cooling, for testing symmetry breaking in fundamental physics, such as: Time-reversal violation, and parity violation. 2. Ultra-cold dilute potassium and rubidium mixture. A double species MOT were built for study inter-species atomic cold collision. These research can lead to efficient formation of ultra-cold dipolar molecule of KRb in the future. 3. High precision laser spectroscopy of simple atomic system with optical frequency comb. Currently, we are focusing on atomic lithium. The absolute frequency of transition can reach only few hundreds kHz. This work is collaborated with Prof. J.T. Shy.

Selected Publications

[2006].Hsiang-Chen Chuia, Ming-Sheng Ko, Yi-Wei Liu, Tyson Lin, Jow-Tsong Shy, Sen-Yen Shaw, Rostislav, V. Roussev, Martin M. Fejer “Frequency stabilization of a frequency-doubled 197.2 THz distributed feedback diode laser on rubidium 5S1/2-7S1/2 two-photon transitions” Optics and Lasers Engineering 44 : 478-485(2006).
[2005]. Hsiang-Chen Chui, Ming-Sheng Ko, Yi-Wei Liu, Jow-Tsong Shy, Jin-Long Peng, Hyeyoung Ahn “Absolute frequency measurement of rubidium 5S-7S two-photon transitions using a femtosecond laser comb”, OPTICS LETTERS 30 (6) :842-844. (2005). (Selected by The Virtual Journal of Ultrafast Science)
[2005]. A.Antognini, F.D. Amaro, F. Biraben, J.M.R. Cardoso, C.A.N. Conde, A. Dax, S. Dhawan, L.M.P. Fernandes, T.W. Hansch, F.J. Hartmann, V.-W. Hughes, O. Huot, P. Indelicato, L. Julien, P.E. Knowles, F. Kottmann, Y.-W. Liu, L. Ludhova, C.M.B. Monteiro, F. Mulhauser, F. Nez, R. Pohl, P. Rabinowitz, J.M.F. dos Santos, L.A. Schaller, C. Schwob, D. Taqqu, and J.F.C.A. Veloso, “Powerful fast triggerable 6μm laser for the muonic hydrogen 2S Lamb shift experiment”, Optics Communications 253: 362-374 (2005).
[2005]. Chui, HC; Shaw, SY; Ko, MS; Liu, YW; Shy, JT; Lin, T; Cheng WY; Roussev, RV; Fejer, MM., “Iodine-stabilization of a diode laser in the optical communication band”, OPTICS LETTERS 30 (6) : 646-648. (2005).
[2005]. L. Ludhova, A.Antognini, F.D. Amaro, F. Biraben, J.M.R. Cardoso, C.A.N. Conde, A. Dax, S. Dhawan, L.M.P. Fernandes, T.W. Hansch, F.J. Hartmann, V.-W. Hughes, O. Huot, P. Indelicato, L. Julien, P.E. Knowles, F. Kottmann, Y.-W. Liu, C.M.B. Monteiro, F. Mulhauser, F. Nez, R. Pohl, P. Rabinowitz, J.M.F. dos Santos, L.A. Schaller, C. Schwob, D. Taqqu, and J.F.C.A. Veloso, “Planar LAAPDs: Temperature Dependence, Performance, and Application in Low Energy X-ray Spectroscopy” NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A 540: 169-179 (2005).
[2004]. Chui, HC; Liu, YW; Shy, JT; Shaw, SY; Roussev, RV; Fejer, MM. “Frequency-stabilized 1520-nm diode laser with rubidiurn 5S(1/2)-> 7S(1/2) two-photon absorption”. APPLIED OPTICS 43 (34): 6348-6351.(2004)
[2004]. Ko, MS; Liu, YW. “Observation of rubidium 5S(1/2)-> 7S(1/2) two-photon transitions with a diode laser”. OPTICS LETTERS 29 (15): 1799-1801. (2004).
[2002]. Liu, YW; Baird, PEG. “Optical pumping in thallium: spectroscopy, coherence and linewidths”. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS 35 (20): 4241-4256.(2002).

A. Refereed Papers:

Liu YW, Baird PEG, “Two-photon spectroscopy in potassium”, Measurement, Science, and Technology Vol. 12, P.740 (2001).
Anagnostopoulos DF, Borchert G, Egger JP, Gotta D, Hennebach M, Indelicato P, Liu YW, Manil B, Nelms N, and Simons LM, “Mass of the charged pion”, Acta Physica Polonica B Vol. 31, P. 2219 (2000).
Liu YW, Baird PEG, “Measurement of the Caesium 6S1/2 – 8P1/2 transition frequency”, Applied Physics B, Vol. 71, P. 567 (2000).
Pohl R, Biraben F, Conde CAN, Donche-Gay C, Hansch TW, Hartmann FJ, Hauser P, Hughes VW, Huot O, Indelicato P, Knowles P, Kottmann F, Liu YW, Mulhauser F, Nez F, Petitjean C, Rabinowitz P, dos Santos JMF, Schaller LA, Schneuwly H, Schott W, Simons LM, Taqqu D, Trehin F, and Veloso JFCA, “Experiment to Measure the Lamb Shift in Muonic Hydrogen”, Hyperfine Interactions, Vol. 127, P. 161(2000).
Meyer V, Bagayev SN, Baird PEG, Bakule P, Boshier MG, Breitruck A, Cornish SL, Dychkov S, Eaton GH, Grossmann A, Hubl D, Hughes VW, Jungmann K, Lane IC, Liu YW, Lucas D, Matyugin Y, Merkel J, zu Putlitz G, Reinhard I, Sandars PGH, Santra R, Schmidt P, Scott CA, Toner WT, Towrie M, Trager K, Willmann L, and Yakhontov V, “Pulsed laser spectroscopy in muonium and deuterium”, Hyperfine Interactions, Vol. 127, P. 189(2000).
Meyer V, Bagayev SN, Baird PEG, Bakule P, Boshier MG, Breitruck A, Cornish SL, Dychkov S, Eaton GH, Grossmann A, Hubl D, Hughes VW, Jungmann K, Lane IC, Liu YW, Lucas D, Matyugin Y, Merkel J, Putlitz GZ, Reinhard I, Sandars PGH, Santra R, Schmidt PV, Scott CA, Toner WT, Towrie M, Trager K, Willmann L, and Yakhontov V, “Measurement of the 1s-2s Energy Interval in Muonium”, Physical Review Letters Vol. 84, P. 1136, (2000).
Cornish SL, Liu YW, Lane IC, Baird PEG, Barwood GP, Taylor P, and Rowley WRC, “Interferometric Measurements of 127I2 Reference Frequencies for 1S-2S Spectroscopy in Muonium, Hydrogen and Deuterium”, Journal of Optical Society of America B, Vol. 17, P. 6, (2000).

B. Conference Papers:

1. Liu YW, Baird PEG, “Two-photon spectroscopy in potassium”, Measurement, Science, and Technology Vol. 12, P.740 (2001).
2. Anagnostopoulos DF, Borchert G, Egger JP, Gotta D, Hennebach M, Indelicato P, Liu YW, Manil B, Nelms N, and Simons LM, “Mass of the charged pion”, Acta Physica Polonica B Vol. 31, P. 2219 (2000).
3. Liu YW, Baird PEG, “Measurement of the Caesium 6S1/2 – 8P1/2 transition frequency”, Applied Physics B, Vol. 71, P. 567 (2000).
4. Pohl R, Biraben F, Conde CAN, Donche-Gay C, Hansch TW, Hartmann FJ, Hauser P, Hughes VW, Huot O, Indelicato P, Knowles P, Kottmann F, Liu YW, Mulhauser F, Nez F, Petitjean C, Rabinowitz P, dos Santos JMF, Schaller LA, Schneuwly H, Schott W, Simons LM, Taqqu D, Trehin F, and Veloso JFCA, “Experiment to Measure the Lamb Shift in Muonic Hydrogen”, Hyperfine Interactions, Vol. 127, P. 161(2000).
5. Meyer V, Bagayev SN, Baird PEG, Bakule P, Boshier MG, Breitruck A, Cornish SL, Dychkov S, Eaton GH, Grossmann A, Hubl D, Hughes VW, Jungmann K, Lane IC, Liu YW, Lucas D, Matyugin Y, Merkel J, zu Putlitz G, Reinhard I, Sandars PGH, Santra R, Schmidt P, Scott CA, Toner WT, Towrie M, Trager K, Willmann L, and Yakhontov V, “Pulsed laser spectroscopy in muonium and deuterium”, Hyperfine Interactions, Vol. 127, P. 189(2000).
6. Meyer V, Bagayev SN, Baird PEG, Bakule P, Boshier MG, Breitruck A, Cornish SL, Dychkov S, Eaton GH, Grossmann A, Hubl D, Hughes VW, Jungmann K, Lane IC, Liu YW, Lucas D, Matyugin Y, Merkel J, Putlitz GZ, Reinhard I, Sandars PGH, Santra R, Schmidt PV, Scott CA, Toner WT, Towrie M, Trager K, Willmann L, and Yakhontov V, “Measurement of the 1s-2s Energy Interval in Muonium”, Physical Review Letters Vol. 84, P. 1136, (2000).
7. Cornish SL, Liu YW, Lane IC, Baird PEG, Barwood GP, Taylor P, and Rowley WRC, “Interferometric Measurements of 127I2 Reference Frequencies for 1S-2S Spectroscopy in Muonium, Hydrogen and Deuterium”, Journal of Optical Society of America B, Vol. 17, P. 6, (2000).
1. R. Pohl, F. Biraben, C.A.N. Conde, C. Donche-Gay, T.W. H?nsch, F.J. Hartmann, P. Hauser, V.W. Hughes, O. Huot, P. Indelicato, P. Knowles, F. Kottm ann, Y.-W. Liu, V.E. Markushin, F. Mulhauser, F. Nez, C. Petitjean, P. Rabinowitz, J.M.F. dos Santos, L.A. Schaller, H. Schneuwly, W. Schott, D. Taqqu, and J.F.C.A. Veloso, “Towards a Measurement of the Lamb Shift in Muonic Hydrogen”, The Hydrogen Atom—Precision Physics of Simple Atomic system, P.454 (2000).
2. D. F. Anagnostopoulos, M. Augsburger, G. Borchert, D. Chatellard, P. El-Khoury, J.-P. Egger, H. Gorke, D. Gotta, P. Hauser, M. Hennebach, P. Indelicato, K. Kirch, S. Lenz, Y.-W. Liu, B. Manil, N. Nelms, Th. Siems, and L. M. Simons, “Charged Pion Mass Determination and Energy – Calibration Standards Based on Pionic X-ray Transitions”, The Hydrogen Atom—Precision Physics of Simple Atomic system, P.500 (2000).
3. D. F. Anagnostopoulos, S. Biri, G. Borchert, W. H. Breunlich, M. Cargnelli, J.-P. Egger, B. Gartner, D. Gotta, P. Hauser, M. Hennebach, P. Indelicato, T. Jensen, R. King, F. Kottmann, B. Lauss, Y. W. Liu, V. E. Markushin, J. Marton, N. Nelms, G. C. Oades, G. Rasche, P. A. Schmelzbach, L. M. Simons, and J. Zmeskal, “Pionic Hydrogen: Status and Outlook”, The Hydrogen Atom—Precision Physics of Simple Atomic system, P.508 (2000).
4. Yi-Wei Liu, “Laser spectroscopy of exotic atom”, AISAMP4, P. 112 (2000).
5. R. Pohl, F. Biraben, C.A.N. Conde, C. Donche-Gay, T.W. H?nsch, F.J. Hartmann, P. Hauser, V.W. Hughes, O. Huot, P. Indelicato, P. Knowles, F. Kottm ann, Y.-W. Liu, V.E. Markushin, F. Mulhauser, F. Nez, C. Petitjean, P. Rabinowitz, J.M.F. dos Santos, L.A. Schaller, H. Schneuwly, W. Schott, D. Taqqu, and J.F.C.A. Veloso, “Laser system for muonic hydrogen 2s-2p Lamb shift measurement”, ICAP2000 (2000).
6. Y.-W Liu, P.E.G. Baird, and S.L. Cornish, “Coherent Population Tapping in Optical Pumped Atomic Thallium”, ICAP16, G17 (1998).
7. Meyer V, Bagayev SN, Baird PEG, Bakule P, Boshier MG, Breitruck A, Cornish SL, Dychkov S, Eaton GH, Grossmann A, Hubl D, Hughes VW, Jungmann K, Lane IC, Liu YW, Lucas D, Matyugin Y, Merkel J, Putlitz GZ, Reinhard I, Sandars PGH, Santra R, Schmidt PV, Scott CA, Toner WT, Towrie M, Trager K, Willmann L, and Yakhontov V, “High Resolution Laser Spectroscopy of the Muonium 1S-2S Transition” , ICAP16, A22 (1998).
8. P. Bakule, S. L. Cornish, Yi-Wei Liu, S. N. Bagayev, P. E. G. Baird, M. G. Boshier, S. Dychkov, V. W. Hughes, K. Jungmann, I. C. Lane, D. Lucas, Y. Matyugin, V. Meyer, G. zu Putlitz, I. Reinhard, P. G. H. Sandars, R. Santra, W. T. Toner, M. Towrie, and V. Yakhontov. “High Power Solid State Laser System for Precision Spectroscopy in the UV”, ICAP16, D48 (1998).

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