標題: Frequency resolved optical gating studies of strained saturable Bragg reflector: Anomalous dispersion near resonance absorption of the exciton resonance
作者: Lee, CK
Liu, TA
Huang, KF
Pan, CL
電子物理學系
光電工程學系
Department of Electrophysics
Department of Photonics
關鍵字: frequency-resolved optical gating (FROG);SSBR;anomalous dispersion;ultrafast laser
公開日期: 1-九月-2005
摘要: A strained saturable Bragg reflector (SSBR) for passive mode-locking of Ti:sapphire lasers was investigated by the frequency resolved optical gating (FROG) technique. Incident pulses of several wavelengths and with zero, positive, or negative chirp were employed. A considerable pulse shortening near the excitonic resonance of the strained quantum well was observed and attributed to anomalous dispersion due to resonance absorption. On the long wavelength side of exciton resonance, however, the chirp of the reflected pulse showed a weak wavelength dependence attributed to the material dispersion of SSBR in pulse broadening was obtained.
URI: http://dx.doi.org/10.1143/JJAP.44.6553
http://hdl.handle.net/11536/13310
ISSN: 0021-4922
DOI: 10.1143/JJAP.44.6553
期刊: JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS
Volume: 44
Issue: 9A
起始頁: 6553
結束頁: 6557
顯示於類別:期刊論文


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