Results 31 to 40 of about 292,869 (302)
High-power single-longitudinal-mode regrowth-free gain-coupled distributed feedback laser diode based on ridge waveguide with periodic current injection is achieved at 990 nm. Our device is fabricated only by standard i-line lithography with micron-scale
Yu-Xin Lei +14 more
doaj +1 more source
We propose and demonstrate a stable single-longitudinal mode (SLM) thulium-doped fiber laser (TDFL) with a Fabry- Pérot (F-P) fiber Bragg grating (FBG) filter and a triple-coupler based double-ring cavity (TC-DRC) filter.
Ting Li +9 more
doaj +1 more source
A waveguide polarization toolset design based on mode beating [PDF]
A toolset of waveguide elements is examined, which can be combined to produce polarization functional devices in a single contiguous waveguide. In particular, waveguide implementations of an optical isolator and a polarization modulator are discussed ...
Hutchings, D.C. +3 more
core +1 more source
This paper proposes and demonstrates a single-longitudinal-mode thulium-doped fiber laser using a passive triple-coupler ring-based compound-cavity filter (TCR-CC) and a uniform fiber Bragg grating. For the first time, the TCR-CC filter is used to select
Biao Guan +8 more
doaj +1 more source
Single mode interband cascade lasers based on lateral metal gratings
The authors are grateful to the European Union for financial support of this work within the FP7 project “WideLase” (No. 318798).Single mode distributed feedback (DFB) interband cascade lasers were realized by placing metal gratings laterally to dry ...
Koeth, Johannes +9 more
core +1 more source
Development of Single-Longitudinal-Mode Selection Technology for Solid-State Lasers
Lasers with narrow linewidths and single frequencies are widely used in fields such as radar detection, nonlinear optics, and precision measurements.
Xuanpu Zhang +7 more
doaj +1 more source
A stable and tunable parity-time (PT) symmetric single-longitudinal-mode fiber laser using a nonreciprocal Sagnac loop is proposed, which is experimentally and numerically demonstrated. The nonreciprocal Sagnac loop only including a 3-dB optical coupler (
Liuyuan Tao +3 more
doaj +1 more source
In this work, a simple switchable dual-wavelength short-cavity fiber laser operating in a single-longitudinal-mode regime at room temperature and based on superposed fiber Bragg gratings is proposed and experimentally demonstrated.
R. A. Perez-Herrera +4 more
doaj +1 more source
Single-mode tunable laser emission in the single-exciton regime from colloidal nanocrystals
Whispering-gallery-mode resonators have been extensively used in conjunction with different materials for the development of a variety of photonic devices.
Brambilla, Gilberto +7 more
core +1 more source
Dual wavelength single longitudinal mode Ytterbium-doped fiber laser using a dual-tapered Mach-Zehnder interferometer [PDF]
This paper describes a dual wavelength single longitudinal mode (SLM) demonstration for a proposed ytterbium-doped fiber laser. A dualtapered Mach-Zehnder interferometer (MZI) was inserted into the laser ring cavity setup to ensure a stable dual ...
Ahmad H. +4 more
doaj +1 more source

