Organic dual-wavelength distributed feedback laser empowered by dye-doped holography

Abstract

An organic dual-wavelength distributed feedback (DFB) laser empowered by a dye-doped holographic polymer dispersed liquid crystal (HPDLC) grating is reported for the first time. The dualwavelength laser operates at 586.6 nm and 670.2 nm simultaneously in one laser beam via the seventh and eighth Bragg orders of a one dimensional (1D) HPDLC grating with a special period. We theoretically and experimentally demonstrate the mechanism of our dual-wavelength DFB laser and investigate the threshold and spectral properties of the output laser. Our organic dual-wavelength DFB laser shows the advantages of simple configuration, one-step fabrication, cost-effectiveness and the potential application to be integrated in all optical networks.

Tunable Near‐Infrared Organic Nanowire Nanolasers

“…But the employed organic dye solution leads to the huge difficulty to meet the requirements of flexible and miniature devices. Recently, main efforts are focused on the tunable organic solid‐state lasers . For example, Klinkhammer et al have reported an outstanding method that can continually tune the lasing wavelength of the distributed feedback laser device .…”

Organic Solid-State Tri-Wavelength Lasing from Holographic Polymer-Dispersed Liquid Crystal and a Distributed Feedback Laser with a Doped Laser Dye and a Semiconducting Polymer Film

“…To achieve this goal, Diao et al reported the dual-wavelength lasing from the semiconducting film and the doped dye using the HPDLC as oscillation cavity [17]. Zhang et al demonstrated the surface-emitting dual-wavelength laser from a blended gain layer using two semiconducting polymer [18].…”

“…Multi-wavelength OSSLs are useful and promising devices, especially in the field of communications [ 15 ] and lab-on-a-chip [ 16 ], since multi-wavelength lasing can be achieved with one smart laser. To achieve this goal, Diao et al reported the dual-wavelength lasing from the semiconducting film and the doped dye using the HPDLC as oscillation cavity [ 17 ]. Zhang et al demonstrated the surface-emitting dual-wavelength laser from a blended gain layer using two semiconducting polymer [ 18 ].…”

Electrically Tunable Distributed Feedback Laser Emission from Scaffolding Morphologic Holographic Polymer Dispersed Liquid Crystal Grating

“…According to the Bragg equation and DCM gain property, this period will allow the third DFB laser emission occurrence at $625 nm, which falls in the center of the DCM gain spectrum. 24) A power supply was used to apply an electric field (rectangular signal: 1 kHz frequency) to continuously control the orientation of the LCs when the sample was being optically pumped by a 532 nm Q-switched neodymium-doped yttrium aluminum garnet (Nd:YAG) pulsed laser (pulse duration: 8 ns; repetition rate: 8 Hz). The electrically tunable lasing output was detected by a fiber-coupled spectrometer, and a polarizer was placed before the fiber to allow only TM laser emission to be collected.…”