Refine
Year of publication
Document Type
- Article (95)
- Monograph/Edited Volume (3)
- Postprint (3)
Language
- English (101)
Is part of the Bibliography
- yes (101)
Keywords
- complementarity (3)
- electromagnetic radiation (3)
- entanglement (3)
- general relativity (3)
- gravity (3)
- laser pulses (3)
- linearized gravity (3)
- pp-wave solutions (3)
- Complementarity (2)
- Hong-Ou-Mandel effect (2)
Stabilized multi-wavelength emission from a single emitter broad area diode laser (BAL) is realized by utilizing an external cavity with a spectral beam combining architecture. Self-organized emitters that are equidistantly spaced across the slow axis are enforced by the spatially distributed wavelength selectivity of the external cavity. This resulted in an array like near-field emission although the BAL is physically a single emitter without any epitaxial sub-structuring and only one electrical contact. Each of the self-organized emitters is operated at a different wavelength and the emission is multiplexed into one spatial mode with near-diffraction limited beam quality. With this setup, multi-line emission of 31 individual spectral lines centered around and a total spectral width of 3.6 nm is realized with a 1000 mu m wide BAL just above threshold. To the best of our knowledge, this is the first demonstration of such a self-organization of emitters by optical feedback utilizing a spectral beam combining architecture.