https://scholars.lib.ntu.edu.tw/handle/123456789/289101
Title: | Self modulation phenomena in an external-cavity semiconductor laser | Authors: | Wong, Y.-J. Chen, H.-H. Lai, C.-W. YEAN-WOEI KIANG CHIH-CHUNG YANG |
Issue Date: | 2000 | Journal Volume: | 180 | Journal Issue: | 4 | Start page/Pages: | 317-321 | Source: | Optics Communications | Abstract: | We report the observed self-modulation phenomena in an external-cavity semiconductor laser, in which a slant ridge-loading waveguide was formed for the gain medium. A region beside the ridge at a cleaved end of the waveguide served as a saturable absorber for self-modulation. Under different conditions of injection current and cavity alignment, we observed three laser operation regimes, including pure cw oscillation, constant-amplitude pulse-like signal on the top of a cw component, and amplitude-modulated pulse-like signal coexistent with a cw component. The amplitude modulation phenomenon is different from the previously reported concurrence of mode-locking and self-pulsation. A model was proposed to explain the observed results. |
URI: | http://www.scopus.com/inward/record.url?eid=2-s2.0-0033714644&partnerID=MN8TOARS http://scholars.lib.ntu.edu.tw/handle/123456789/289101 https://www.scopus.com/inward/record.uri?eid=2-s2.0-0033714644&doi=10.1016%2fS0030-4018%2800%2900713-6&partnerID=40&md5=48975a5aad7c64dc3e0751d76514b919 |
ISSN: | 00304018 | DOI: | 10.1016/S0030-4018(00)00713-6 | SDG/Keyword: | Laser resonators; Mathematical models; Optical communication; Optical waveguides; Oscillations; Pulse amplitude modulation; Q switching; Solid state lasers; Gain switching; Pulsed signal generation; Saturable absorber; Semiconductor lasers |
Appears in Collections: | 電機工程學系 |
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