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single-mode laser operation

2 μm solid state laser mode locked by single layer graphene

2 μm solid state laser mode locked by single layer graphene

... broadband operation can be achieved by using a distribution of tube ...fiber laser mode-locked by a polymer composite with graphene produced by liquid phase exfolia- tion of ...

5

Inducing tunable single-mode operation of Fabry-Perot semiconductor laser coupled with very-short cavity with selective optical feedback

Inducing tunable single-mode operation of Fabry-Perot semiconductor laser coupled with very-short cavity with selective optical feedback

... single mode oscillation could be possible. This single- mode oscillation was observed in AlGaAs lasers when the injection current is well-above the threshold level ...the laser supports ...

7

Nine channel wavelength tunable single mode laser array based on slots

Nine channel wavelength tunable single mode laser array based on slots

... each laser has multiple uniformly distributed slots which act as an active DBR reflector of the laser and provide sufficient one side (front) feedback for lasing ...a single mode issue caused ...

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Characterization of single mode laser and tunable laser array based on etched high order surface gratings

Characterization of single mode laser and tunable laser array based on etched high order surface gratings

... slotted single-m ode laser is ...e single-m ode o p eratio n can be achieved by etching high o rd er surface gratings on top of th e ridge o f th e laser w ith o u t any reg ro w th o f ...

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Coupled-cavity terahertz quantum cascade lasers for single mode operation

Coupled-cavity terahertz quantum cascade lasers for single mode operation

... gle mode operation, alternative to distributed Bragg reflec- tors (DBRs) or distributed feedback (DFB) ...obtain single mode-operation with a high side mode suppres- sion ratio ...

6

Sample Grating Distributed Feedback Quantum Cascade Laser Array

Sample Grating Distributed Feedback Quantum Cascade Laser Array

... cascade laser (DFB-QCL) featuring narrow linewidth, high power, and simple fabrication process become extremely useful for spectroscopy [2, ...side mode suppression ratio (SMSR) DFB-QCL has also been demon- ...

5

Optical trapping with "on demand" two photon luminescence using Cr:LiSAF laser with optically addressed saturable Bragg reflector

Optical trapping with "on demand" two photon luminescence using Cr:LiSAF laser with optically addressed saturable Bragg reflector

... the laser included a single GaAs/AlGaAs quantum well positioned in the last high index layer of a 30-pair AlGaAs/AlAs distributed Bragg ...The laser mode of operation (CW or ML) ...

5

Single mode lasers based on slots suitable for  photonic integration

Single mode lasers based on slots suitable for photonic integration

... free single mode lasers based on etched slots suitable for photonic integration are presented in this ...long laser exhibits a threshold current and a slope efficiency of about 32mA and ...stable ...

6

Development of a high power single mode laser for non linear optics applications

Development of a high power single mode laser for non linear optics applications

... Since the invention of the laser over two decades ago, a large amount of work in resonator design has been directed towards achieving high power laser operation of pulsed lasers with a d[r] ...

200

Stable Single Mode Operation of Distributed Feedback Quantum Cascade Laser by Optimized Reflectivity Facet Coatings

Stable Single Mode Operation of Distributed Feedback Quantum Cascade Laser by Optimized Reflectivity Facet Coatings

... improved single-mode reliability, and low ...(CW) operation with high power across the mid-infrared region ...stable single-mode operation cannot be guaranteed ...

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Nonresonant self-injection seeding of a gain-switched diode laser

Nonresonant self-injection seeding of a gain-switched diode laser

... the single-mode operation in our case was possible in a simple cavity without any deliberate spectral selectivity (Fabry–Pérot etalon properties of the glass slide may be ruled out because linewidth ...

7

Fabrication of Flexible Metal Hollow Microneedles using Microsecond Pulsing of Single Mode Fiber Laser.

Fabrication of Flexible Metal Hollow Microneedles using Microsecond Pulsing of Single Mode Fiber Laser.

... with single microsecond length pulses on 800 µm thick stainless steel sheets, making note of what pulse lengths provided the deepest depth per shot while keeping melt produced in the hole profile below a ...

131

Design and characterization of narrow linewidth fiber laser for wireless communication

Design and characterization of narrow linewidth fiber laser for wireless communication

... Fiber laser possess varsities of parameters and operating parameters that are attractive solution for certain ...fiber laser, the narrow linewidth sources have become strong interest in which single ...

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Passively Mode-Locked Fiber Laser by Utilizing TTG film on a D-Shaped Fiber as a Saturable Absorber

Passively Mode-Locked Fiber Laser by Utilizing TTG film on a D-Shaped Fiber as a Saturable Absorber

... a mode-locked fiber laser by utilizing single layer Trivial Transfer Graphene film (TTGF) as a saturable absorber ...passively mode-locked fiber laser. The Metro- Gain15 Erbium doped ...

5

Nonlinear mode competition and symmetry protected power oscillations in topological lasers

Nonlinear mode competition and symmetry protected power oscillations in topological lasers

... the mode competition for the gain and loss distributions for which topological mode selection was originally ...an operation regime that exhibits topologically protected power ...zero mode has ...

19

Hybrid power management system using fuel cells and batteries

Hybrid power management system using fuel cells and batteries

... In the future, hybrid power management systems using fuel cells (FCs) and batteries will be used as the driving power systems of ships. These systems consist of an FC, a converter, an inverter, and a battery. In general, ...

7

Lecture 9: Laser oscillators

Lecture 9: Laser oscillators

...  If  1 (t) and  2 (t) vary randomly with time on a characteristic time scale that is shorter than 2/( 1 - 2 ), the beat note of the two frequencies cannot be observed. In this case, the output of the laser ...

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Crack-free Edge Isolation of the Si Solar Cell Using a Single Mode Fiber Laser

Crack-free Edge Isolation of the Si Solar Cell Using a Single Mode Fiber Laser

... so single crystals of silicon are preferred for fabrication of these ...produce single crystal silicon ingots which are six inches in diameter and six feet in ...of single crystal ...

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Evaporative Etching for Non-Contact Glass Scribing using a Single-Mode Ytterbium Fiber Laser

Evaporative Etching for Non-Contact Glass Scribing using a Single-Mode Ytterbium Fiber Laser

... applied. Laser glass cutting is a process which involves using a laser to either scribe or completely cut glass in place of using a mechanical ...of laser glass cutting are short pulsed ablation and ...

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Holosteric Nd : YAG lasers

Holosteric Nd : YAG lasers

... T he use of con tinuous-wave diode-laser arrays for end-pum pin g s olid-state lasers is well established [8], T his form of pumping is hig hly efficient due to the good spec tral match of the diode-laser ...

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