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Related papers: Simple external cavity diode laser

200 papers

We report on a highly efficient waveguide resonator device for the production of 775 nm light using a titanium indiffused LiNbO3waveguide resonator. When scanning the resonance the device produces up to 110 mW of second harmonic power with…

Instrumentation and Detectors · Physics 2018-06-13 M. Stefszky , R. Ricken , C. Eigner , V. Quiring , H. Herrmann , C. Silberhorn

We present a numerical study of the pulses displayed by a semiconductor laser with optical feedback in the short cavity regime, such that the external cavity round trip time is smaller than the laser relaxation oscillation period. For…

Chaotic Dynamics · Physics 2015-06-16 Jose A. Reinoso , Jordi Zamora-Munt , Cristina Masoller

Active wavelength-scale optoelectronic components are widely used in photonic integrated circuitry, however coherent sources of light -- namely optical lasers -- remain the most challenging component to integrate. Semiconductor nanowire…

We report on the design and characterization of a low-temperature external cavity diode laser (ECDL) system for broad wavelength tuning. The performance achieved with multiple diode models addresses the scarcity of commercial red laser…

Atomic Physics · Physics 2016-11-22 William G. Tobias , Jason S. Rosenberg , Nicholas R. Hutzler , Kang-Kuen Ni

The dynamics of a semiconductor-laser array whose individual elements are coupled in a global way through an external mirror is numerically analysed. A coherent in-phase solution is seen to be preferred by the system at intermediate values…

adap-org · Physics 2015-06-24 J. Garcia-Ojalvo , J. Casademont , C. R. Mirasso , M. C. Torrent , J. M. Sancho

Lasers with high spectral purity are indispensable for optical clocks and coherent manipulation of atomic and molecular qubits for applications such as quantum computing and quantum simulation. Stabilisation of the laser to a reference can…

Quantum Physics · Physics 2023-11-13 Ludwig Krinner , Kai Dietze , Lennart Pelzer , Nicolas Spethmann , Piet O. Schmidt

We describe a teaching-lab experiment that applies basic optical spectroscopy to examine the physics of semiconductor diode lasers. By using a low-power visible laser, this experiment is suitable for use in an open lab environment, where…

Physics Education · Physics 2025-10-09 Kenneth G. Libbrecht

Silicon nitride (Si3N4), as a complementary metal-oxide-semiconductor (CMOS) material, finds wide use in modern integrated circuit (IC) technology. The past decade has witnessed tremendous development of Si3N4 in photonic areas, with…

A class of multiwavelength Fabry-Perot lasers is introduced where the spectrum is tailored through a non-periodic patterning of the cavity effective index. The cavity geometry is obtained using an inverse scattering approach and can be…

Semiconductor lasers in use today rely on mirrors based on the reflection at a cleaved facet or Bragg reflection from a periodic stack of layers. Here, we demonstrate an ultra-small laser with a mirror based on the Fano resonance between a…

Optics · Physics 2017-05-23 Yi Yu , Weiqi Xue , Elizaveta Semenova , Kresten Yvind , Jesper Mork

We report on a solid-state laser structure being the organic counterpart of the Vertical External-Cavity Surface-Emitting Laser (VECSEL) design. The gain medium is a poly (methyl methacrylate) film doped with Rhodamine 640, spin-casted onto…

We present the design, construction, and simulation of a simple, low-cost external cavity diode laser with a measured free-running frequency drift rate of 1.4(1)~MHz/h at 852 nm. This performance is achieved via a compact, nearly monolithic…

Instrumentation and Detectors · Physics 2023-04-19 Eddie H. Chang , Jared Rivera , Brian Bostwick , Christian Schneider , Peter Yu , Eric R. Hudson

A multi-GHz chaotic optoelectronic oscillator based on an external cavity semiconductor laser (ECL) is demonstrated. Unlike standard optoelectronic oscillators for microwave applications, we do not employ the dynamic light output incident…

The design of a 637-nm wavelength, photonic-integrated-circuit-based external cavity laser (PIC-based ECL) aimed at quantum technology applications is presented together with first experimental results. The PIC is designed to provide…

Optics · Physics 2024-06-21 Georgios Sinatkas , Arijit Misra , Florian Merget , Jeremy Witzens

The spatial coherence of laser sources has limited their application to parallel imaging and projection due to coherent artifacts, such as speckle. In contrast, traditional incoherent light sources, such as thermal sources or light emitting…

Optics · Physics 2017-03-30 B. Redding , A. Cerjan , X. Huang , M. L. Lee , A. D. Stone , M. A. Choma , H. Cao

We present here a simple laser system for a laser cooled atom interferometer, where all functions (laser cooling, interferometry and detection) are realized using only two extended cavity laser diodes, amplified by a common tapered…

Atomic Physics · Physics 2015-06-22 Sébastien Merlet , Laurent Volodimer , Michel Lours , Franck Pereira Dos Santos

We present two distinct ultra-low frequency noise lasers at 729 nm with a fast frequency noise of 30 Hz^2/Hz, corresponding to a Lorentzian linewidth of 0.1 kHz. The characteristics of both lasers, which are based on different types of…

We report on a methodology for the evaluation of the DC characteristics, small-signal frequency response and large-signal dynamic response of carrier and photon density responses in semiconductor laser diodes. A single mode laser is…

Optics · Physics 2007-05-23 C. Tannous

The ability to control the frequency of an external-cavity diode laser (ECDL) is an essential component for undergraduate laboratories and atomic physics research. Typically the housing for the ECDL's diffraction grating and piezoelectric…

Physics Education · Physics 2021-02-03 E. Brekke , T. Bennett , H. Rook , E. L. Hazlett

A solid-state organic thin-film laser with intracavity frequency doubling is reported. Tunable ultraviolet emission from 309 to 322 nm is achieved from a vertical external cavity surface-emitting organic laser, with 2 % efficiency (1 $\mu$J…