Abstract
We report the first hybrid mode-locking of a monolithic two-section multiple quantum well InGaN based laser diode. This device, with a length of 1.5 mm, has a 50-μm-long absorber section located at the back facet and generates a continuous stable 28.6 GHz pulse train with an average output power of 9.4 mW at an emission wavelength of 422 nm. Under hybrid mode-locking, the pulse width reduces to 4 ps, the peak power increases to 72 mW, and the microwave linewidth reduces by 13 dB to <500 kHz. We also observe the passive mode-locking with pulse width and peak power of 8 ps and 37 mW, respectively.
| Original language | English |
|---|---|
| Article number | 6531631 |
| Pages (from-to) | 1514-1516 |
| Number of pages | 3 |
| Journal | IEEE Photonics Technology Letters |
| Volume | 25 |
| Issue number | 15 |
| Early online date | 13 Jun 2013 |
| DOIs | |
| Publication status | Published - 1 Aug 2013 |
Keywords
- Mode-locked lasers
- Semiconductor lasers
- Ultrafast lasers
- Visible lasers
ASJC Scopus subject areas
- Electrical and Electronic Engineering
- Atomic and Molecular Physics, and Optics
- Electronic, Optical and Magnetic Materials
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