Investigation of the application of Nd:YAG laser welding to couple photonic devices and packaging by Fadhali, Mohamed M., Zainal, Jasman, Munajat, Yusuf B, Ali, Jalil B, Rahman, R

“…In this paper we discuss some investigations and analyses of the various parameters, which contribute to increase the coupling efficiency of a laser diode to a single mode fibre-coupling using the lens coupling, which provides a coupling efficiency of about 75% at the optimum working distance. …”

Efficiency of output power in ring cavity of erbium doped fiber laser by Iskandar, St. Majidah, Kasim, Nabilah

“…The fibre ring cavity laser consist of EDFL, 980 nm pumping source laser diode, wavelength division multiplexing (WDM), output coupler, OSA, and optical power meter. …”
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Two-wavelength thermal–optical determination of light-absorbing carbon in atmospheric aerosols by D. Massabò, A. Altomari, V. Vernocchi, P. Prati

“…Starting from a standard commercial instrument, the unit has been modified at the physics department of the University of Genoa (Italy), making possible the alternative use of the standard laser diode at <span class="inline-formula"><i>λ</i>=635</span>&thinsp;nm and of a new laser diode at <span class="inline-formula"><i>λ</i>=405</span>&thinsp;nm. …”
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Photoconductive semiconductor switch-based triggering with 1 ns jitter for trigatron by Langning Wang, Yongsheng Jia, Jinliang Liu

“…This paper presents a trigger generator based on a laser diode-triggered GaAs photoconductive semiconductor switch (PCSS) with low jitter and compact size characteristics. …”
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Development of Measuring Instruments for Lung Vital Capacity and Human Respiratory Rate Based on Fiber Optic Sensors by Mega Roza Lia, harmadi harmadi, Afdhal Muttaqin

“… The development of a measuring instrument for vital lung capacity and human respiratory rate based on a fiber-optic sensor has a system consisting of a laser diode as a light source, optical fiber as a waveguide and OPT101 as a photodetector. …”
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Joint Temperature-Lasing Mode Compensation for Time-of-Flight LiDAR Sensors by Anas Alhashimi, Damiano Varagnolo, Thomas Gustafsson

“…The novel algorithm statistically accounts not only for the bias induced by temperature changes in the laser diode, but also for the multi-modality of the measurement noises that is induced by mode-hopping effects. …”
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Laser-Induced Generation of Hydrogen in Water by Using Graphene Target by Wieslaw Strek, Przemysław Wiewiórski, Włodzimierz Miśta, Robert Tomala, Mariusz Stefanski

“…A new method of hydrogen generation from water, by irradiation with CW infrared laser diode of graphene scaffold immersed in solution, is reported. …”
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RESEARCH OF THERMO-OPTICAL INHOMOGENEITIES IN Yb-Er GLASS AT DIODE PUMPING by V. Khramov, I. V. Chavkin, K. M. Chavkina

“…We have presented experimental results of the thermal lens optical power research in the active element made of Yb-Er glass pumped transversely by a laser diode in the following modes: without generating, free-running and Q-switching. …”
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Study the electrical and optical characteristics of diode pumped solid state frequency doubled (DPSSFD) semiconductor laser by Musab Mohammed

“…The calculated values of threshold current had been found varying from 96mA to 99mA.While the series resistance of the laser diode was determined above threshold by using three methods (V-I, dV/dI vs I, IdV/dI vs I) and the value estimated between (6.3 ~ 6.6). …”
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Statistics of the Optical Phase of a Gain-Switched Semiconductor Laser for Fast Quantum Randomness Generation by Angel Valle

“…The statistics of the optical phase of the light emitted by a semiconductor laser diode when subject to periodic modulation of the applied bias current are theoretically analyzed. …”
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Parity-time symmetric complex-coupled distributed feedback laser with excellent immunity to external optical feedback by Cheng Ke, Xun Li, Yanping Xi

“…In this paper, we propose an external optical feedback resistant distributed feedback (DFB) laser diode (LD) by exploiting parity-time symmetric complex coupling. …”
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Experimental investigations of Synchronization in two optically coupled chaotic systems utilizing optical feedback and optical injection by Salam K. Mousa, Qassim M.J.Abdulaziz, Kais.A. Al Naimee

“…An experimentally observations of chaos synchronization have been investigated between two optically coupled laser diodes. Two schemes of optical injection, bidirectional and unidirectional optical injections have been used. …”
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High-Precision Digital Rotary Encoder Based on Dot-Matrix Gratings by Yi-Cheng Chen, Chi-Hung Lee, Ming-Jie Chou, Sheng-Chih Shen

“…The DMG-based encoder is composed of a laser diode, a beam-shaping lens, a code disc, and a detector. …”
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A Parkinson’s Disease Measurement System Using Laser Lines and a CMOS Image Sensor by Jen-Lin Yang, Jyh-Cheng Chen, Fang-Pey Chen, Jen-Hwey Chiu, Rong-Seng Chang

“…The proposed measurement system mainly consists of a laser diode and a low cost complementary metal-oxide semiconductor (CMOS) image sensor. …”
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Solid cyclooctatetraene-based triplet quencher demonstrating excellent suppression of singlet–triplet annihilation in optical and electrical excitation by Van T. N. Mai, Viqar Ahmad, Masashi Mamada, Toshiya Fukunaga, Atul Shukla, Jan Sobus, Gowri Krishnan, Evan G. Moore, Gunther G. Andersson, Chihaya Adachi, Ebinazar B. Namdas, Shih-Chun Lo

“…Though reducing non-emissive triplet excited-states using quenchers effectively improves organic semiconductor laser diode (OSLD) performance, existing quenchers are not suitable for devices. …”
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High-Resolution Simulation of Externally Injected Lasers Revealing a Large Regime of Noise-Induced Chaos by Sean P. O’Duill, Liam P. Barry

“…We present comprehensive numerically simulated scans of the spectral evolution of the output from a single-mode semiconductor laser diode undergoing external light injection. The spectral scans are helpful to understand the different regimes of operation as well as the system evolution between each state: i.e., locked state, four-wave mixing, pulsations, chaos. …”
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TRANSMISSION OF A MULTIPLEXED EIGHT CHANNELS SUBCARRIER OPTICALLY INTENSITY MODULATED BASED ON MICROCONTROLLER by Husam A. Mohammed, Hani J. Kbashi

“…The transmitted signal is subcarrier intensity modulated using the Amplitude Shift Keying (ASK) modulation technique with a carrier of 20 MHz. A laser diode of the type HFCT-5205 at 1300 nm wavelength was used as an optical carrier generator with an emitted optical power of -10 dBm, and a HFCT-S205 InGaAs/InP PIN Photodiode with responsivity of 0.36 A/W at the receiver side. …”
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Aspects of the Application of Cavity Enhanced Spectroscopy to Nitrogen Oxides Detection by Zbigniew Bielecki, Janusz Mikolajczyk, Jacek Wojtas

“…They operate at different wavelength ranges using a blue—violet laser diode (410 nm) as well as quantum cascade lasers (5.27 µm and 4.53 µm). …”
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Implementation of Optical Coherent Communication System between Two Computers by Baghdad Science Journal

“…The modulation of this data was accomplished by internal modulation using laser diode type (HFCT-5208M) 1310 nm wavelength. The optical D-coupler was used to combine the optical signal that come from laser source with optical signal of laser local oscillator (OTS-304XI) at 1310/1550 nm wavelength to obtain coherent (homodyne and heterodyne) detection respectively. …”
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Dual Wavelength Differential Detection of Fiber Bragg Grating Sensors with a Pulsed DFB Laser by François Ouellette, Zhonghua Ou, Jianfeng Li

“…We show how dual wavelength differential detection can be used to measure fiber Bragg grating sensors using nanosecond pulses from a single DFB laser diode, by taking advantage of its dynamic chirp. …”
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