Generation of extremely short pulses from self-hybrid mode-locking of semiconductor lasers
Resource
Lasers and Electro-Optics Society, 2001. LEOS 2001. The 14th Annual Meeting of the IEEE
Journal
The 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society, 2001
Pages
-
Date Issued
2001-11
Date
2001-11
Author(s)
DOI
N/A
Abstract
Hybrid mode-locking, combining active mode-locking and passive mode-locking, has both advantages of generating very short pulses and low timing jitter. However, it usually requires an additional section of saturable absorber. Therefore, hybrid mode-locking is relatively difficult and complex compared to other methods. In this work, we report that pulses as short as 1-2 ps can be generated with novel self-hybrid mode-locking technique. With suitable bias and RF modulation depth, this scheme has the action of saturable absorption self-provided by the gain region of a conventional semiconductor laser amplifier. Therefore, multiple sections are no longer needed and the hybrid mode-locking can be achieved.
SDGs
Type
journal article
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