GLS and GLSSe ultrafast laser inscribed waveguides for mid-IR supercontinuum generation

Mackenzie, Mark D.; Morris, James M.; Petersen, Christian; Ravagli, Andrea; Craig, Christopher; Hewak, Daniel W.; Bookey, Henry T.; Bang, Ole; Kar, Ajoy K.

doi:10.1364/ome.9.000643

Cited by 9 publications

(2 citation statements)

References 15 publications

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“…6(f). 69,70,[73][74][75][76] This technique does not depend on the intensity distribution at the focal volume and enables WG fabrication with desirable morphologies, such as square cross-sections along with a step index refractive index profile [ Fig. 6(g…”

Section: Multiscanmentioning

confidence: 99%

Photonic circuits written by femtosecond laser in glass: improved fabrication and recent progress in photonic devices

et al. 2021

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Integrated photonics is attracting considerable attention and has found many applications in both classical and quantum optics, fulfilling the requirements for the ever-growing complexity in modern optical experiments and big data communication. Femtosecond (fs) laser direct writing (FLDW) is an acknowledged technique for producing waveguides (WGs) in transparent glass that have been used to construct complex integrated photonic devices. FLDW possesses unique features, such as three-dimensional fabrication geometry, rapid prototyping, and single step fabrication, which are important for integrated communication devices and quantum photonic and astrophotonic technologies. To fully take advantage of FLDW, considerable efforts have been made to produce WGs over a large depth with low propagation loss, coupling loss, bend loss, and highly symmetrical mode field. We summarize the improved techniques as well as the mechanisms for writing high-performance WGs with controllable morphology of cross-section, highly symmetrical mode field, low loss, and high processing uniformity and efficiency, and discuss the recent progress of WGs in photonic integrated devices for communication, topological physics, quantum information processing, and astrophotonics. Prospective challenges and future research directions in this field are also pointed out.

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Section: Multiscanmentioning

confidence: 99%

Photonic circuits written by femtosecond laser in glass: improved fabrication and recent progress in photonic devices

et al. 2021

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“…Over the past ten years, ultrafastmode fiber lasers have found applications in industrial and medical settings, as well as optical imaging and micromachining [1,2]. Furthermore, it is widely used in the domains of supercontinuum spectrum generation, terahertz generation, and fiber frequency tuning [3][4][5][6]. With its short pulse width and high energy, distributed soliton (DS) lasers are among the most attractive types of fiber lasers.…”

Section: Introductionmentioning

confidence: 99%

Characterization of Visible Range Gain in Praseodymium Doped Fiber Amplifier

Sultana,

Siddik

2024

Int J Res Rev

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In the optical (380-700 nm) region, a simulation study was conducted to assess the low-signal gain, power conversion efficiency (PCE), and optical output power of a praseodymium-doped fiber optic amplifier (PDFA). The PDFA performance was assessed using the optimized Pr3+ fiber length, Pr3+ ion concentration, and pump power. Additionally, the effects of input signal voltage and amplifier gain on amplified spontaneous emission (ASE) were investigated. A lower peak signal of roughly 1 dB at 635 nm was obtained with a shorter 5 m Pr3 + doped fiber and a higher pump power of 300 mW. The impact of wavelength and pump power variations on the amplifier's optical output power's spontaneous enhanced emission (EEM) is examined. Finally, the ionic interaction (general-purpose conversion effect) in the low-power amplifier signal is analyzed by taking into account various values of the upconversion factor. Keywords: Praseodymium doped fibre amplifier, Small-signal gain, Pump power, Ultrashort laser.

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Comparison of supercontinuum generation in bulk sapphire and femtosecond-laser-inscribed waveguides

Wu²,

Zhang³

et al. 2023

Optics & Laser Technology

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GLS and GLSSe ultrafast laser inscribed waveguides for mid-IR supercontinuum generation

Cited by 9 publications

References 15 publications

Photonic circuits written by femtosecond laser in glass: improved fabrication and recent progress in photonic devices

Photonic circuits written by femtosecond laser in glass: improved fabrication and recent progress in photonic devices

Characterization of Visible Range Gain in Praseodymium Doped Fiber Amplifier

Comparison of supercontinuum generation in bulk sapphire and femtosecond-laser-inscribed waveguides

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