1D Confocal Broad Area Semiconductor Lasers (Confocal BALs) for Fundamental Transverse Mode Selection (TMS#0)
نویسندگان
چکیده
منابع مشابه
Linear Tailored Gain Broad Area Semiconductor Lasers
Tailored gain semiconductor lasers capable of high-power operation with single-lobed, nearly diffraction limited beamwidths only a few degrees wide have been demonstrated in proton implanted chirped arrays and “halftone” broad area lasers. We analyze lasers with a linear gain gradient, and obtain analytic approximations for their unsaturated optical eigenmodes. Unlike a uniform array, the funda...
متن کاملConfocal reflection microscopy: the "other" confocal mode.
When most biomedical researchers think “confocal microscopy”, they usually have fluorescence imaging in mind. There is a very good reason for this connection. Many biomedical applications of the confocal microscope have utilized its optical sectioning power, combined with the exquisite specificity of immunofluorescence or fluorescence in situ hybridization (FISH) to produce improved images of m...
متن کاملConfocal unstable-resonator semiconductor laser.
GaAs/GaAlAs heterostructure lasers with a monolithic confocal unstable resonator were demonstrated. The curved mirrors satisfying the confocal condition were fabricated by etching. Close to threshold, the lasers operate in a single lateral mode with a nearly collimated output beam. A single-lobe far-field intensity distribution as narrow as 1.9 degrees full width at half maximum was measured.
متن کاملControlling filamentation in broad-area semiconductor lasers and amplifiers
We show that with the introduction of a new pair of epitaxial layers, sandwiched between the active and cladding regions, self-defocusing can play an important role in stabilizing the lateral mode in broad-area semiconductor lasers and amplifiers. Under certain conditions, it can be used to eliminate filamentation and provide a nearly flat mode profile by adjusting the band gap of the new self-...
متن کاملElectrically-pumped, broad-area, single-mode photonic crystal lasers.
Planar broad-area single-mode lasers, with modal widths of the order of tens of microns, are technologically important for high-power applications and improved coupling efficiency into optical fibers. They may also find new areas of applications in on-chip integration with devices that are of similar size scales, such as for spectroscopy in microfluidic chambers or optical signal processing wit...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Advances in OptoElectronics
سال: 2019
ISSN: 1687-563X,1687-5648
DOI: 10.1155/2019/2719808