Generation of pico- and femtosecond-wavelength tunable optical pulses with self-seeded laser diodes

2001 ◽  
Author(s):  
Dieter Huhse ◽  
O. Reimann ◽  
E. H. Boettcher ◽  
Dieter Bimberg
Keyword(s):  
Laser Diodes ◽  
Optical Pulses ◽  
Wavelength Tunable

Generation and Amplification of 400 nm band Picosecond Optical Pulses by GaInN Laser Diodes

2010 ◽  
Author(s):  
Rintaro Koda ◽  
Tomoyuki Oki ◽  
Takao Miyajima ◽  
Hideki Watanabe ◽  
Masaru Kuramoto ◽  
...  
Keyword(s):  
Laser Diodes ◽  
Optical Pulses

scholarly journals AlGaInAs/InP Based Five & Three Quantum Wells Mode Locked Laser Diodes: A Comparative Study

2020 ◽  
Vol 26 (5) ◽  
pp. 22-27
Author(s):  
Jehan Akbar ◽  
Muhammad Hanif ◽  
Muhammad Azhar Naeem ◽  
Kamran Abid
Keyword(s):  
Active Region ◽  
Quantum Wells ◽  
Laser Diodes ◽  
Mode Locking ◽  
Field Pattern ◽  
Far Field ◽  
Optical Pulses ◽  
Wide Range ◽  
Mode Locked Laser ◽  
Far Field Pattern

Comparison of performance of semiconductor mode-locked laser diodes fabricated using AlGaInAs/InP material containing 5 and 3 quantum wells (QWs) inside the active region is reported. The simulations and experimental results show that lasers containing five QWs materials produce larger beam divergence and temporally broader optical pulses. For improvement in the mode-locking of lasers and reducing the far-field pattern, the number of QWs inside the active region was decreased from five to three and a far-field decreasing layer along with a thick spacer layer were introduced in the n-cladding region of epitaxial material. Before growing the material, simulations were carried out to optimise the design. The lower optical confinement factor and higher gain saturation energy of three QWs based mode-locked lasers provide higher average and peak output power, reduced and symmetric far-field pattern, better radio frequency (RF) spectra, shorter optical pulses, and stable optimal mode-locking for a wide range of gain current and saturable absorber reverse voltage.

Wavelength-tunable few-cycle optical pulses directly from an all-fiber Er-doped laser setup

2009 ◽  
Vol 34 (20) ◽  
pp. 3193 ◽  
Author(s):  
Alexey Andrianov ◽  
Arkady Kim ◽  
Sergey Muraviov ◽  
Alexey Sysoliatin
Keyword(s):  
Optical Pulses ◽  
Wavelength Tunable ◽  
Er Doped ◽  
Laser Setup
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