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Phys. Rev. Lett. 100, 163906 (2008) [4 pages]

Sub-Single-Cycle Optical Pulse Train with Constant Carrier Envelope Phase

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Wei-Jan Chen1, Zhi-Ming Hsieh1,2, Shu Wei Huang1,*, Hao-Yu Su1,†, Chien-Jen Lai1, Tsung-Ta Tang3, Chuan-Hsien Lin4, Chao-Kuei Lee5, Ru-Pin Pan4, Ci-Ling Pan3, and A. H. Kung1,3,‡
1Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, Taiwan
2Physics Department, National Taiwan University, Taipei, Taiwan
3Department of Photonics, National Chiao Tung University, Hsinchu, Taiwan
4Department of Electro-Physics, National Chiao Tung University, Hsinchu, Taiwan
5Institute of Electro-optical Engineering and Semiconductor Technology R&D Center, National Sun-Yat-Sen University, Kaohsiung, Taiwan

Received 2 November 2007; published 25 April 2008

We describe the synthesis of periodic waveforms consisting of a train of pulses that are 0.83 cycles long and have an electric field pulse width of 0.44 fs using 7 Raman sidebands generated by molecular modulation in H2. We verify by optical correlation that the carrier-envelope phase is constant in these waveforms when they are synthesized from commensurate sidebands. The estimated overall shift of the carrier-envelope phase is less than 0.18 cycles from the first to the last pulse of nearly 106 pulses in the pulse train.

© 2008 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.100.163906
DOI:
10.1103/PhysRevLett.100.163906
PACS:
42.65.Re, 33.80.−b, 42.50.Gy, 42.65.Dr

*Present address: Department of Electrical Engineering and Computer Science, MIT, Cambridge, MA 02139, USA.

†Present address: School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA.

‡Corresponding author.

akung@pub.iams.sinica.edu.tw

 
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