Validation of the angular quasi-phase-matching theory for the biaxial optical class using PPRKTP

Lu, Dazhi; Peña, Alexandra; Segonds, Patricia; Debray, Jérôme; Joly, Simon; Žukauskas, Andrius; Laurell, Fredrik; Pašiškevičius, Valdas; Yu, Haohai; Zhang, Huaijin; Wang, Jing; Canalias, Carlota; Boulanger, Benoı̀t

doi:10.1364/ol.43.004276

Cited by 6 publications

(9 citation statements)

References 17 publications

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“…BPM was characterized for both types I and II = III. Scheme-A showed experimental and numerical solutions for both types I, II = III, IV and V. Scheme-B solutions have also been determined, especially with the pioneer experimental demonstration for type II, as highlighted by the red stars in Figure 11 [20,21]. Both scheme-A and scheme-B AQPM solutions have shown the expected continuity with BPM solutions in the yz-plane (phi = 90 • ) for types I and II = III.…”

Section: Experimental Demonstrations Of Aqpm Shgmentioning

confidence: 71%

“…AQPM Second-Harmonic Generation (SHG) in a 25 • -rotated, x-cut PPLiTaO 3 has also been achieved [19]. More recently, we verified the AQPM theory in the case of the biaxial optical class by performing SHG measurements in a PPRKTP crystal cut as a sphere [20]. We used the same sample to introduce a negative order AQPM SHG [21].…”

Section: Introductionmentioning

confidence: 80%

“…Figure 6a illustrate the scheme of an oriented periodically poled crystal. Figure 6b,c show the remarkable realization of millimetric-scale oriented periodically poled spherically shaped crystals of the uniaxial 5%MgO:PPLN [16][17][18] and of the biaxial PPRKTP [20,21], respectively. The diameter of the sphere is determined by the volume of the initial parallelepipedal sample, knowing that we try to obtain the biggest diameter as possible in order to access a minimal asphericity, typically better than 1% [26].…”

Section: Setups and Methodsmentioning

confidence: 99%

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Angular Quasi-Phase-Matching in Periodically Poled Uniaxial and Biaxial Crystals

et al. 2022

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This article deals with a general description of Angular Quasi-Phase-Matching (AQPM) in uniaxial and biaxial crystals for second-order nonlinear optical interactions. Such an exhaustive and generalized angular-dependent approach of AQPM reveals new directions of propagation with efficient parametric frequency conversion. These AQPM solutions are studied by depicting the corresponding topologies and associated symmetries. The theoretical overview is fully validated and illustrated by measurements. We clearly demonstrate the benefits of such a generalized approach, both in the case of two emblematic periodically poled (PP) crystals: 5%MgO-doped PPLiNbO3 (5%MgO:PPLN) and Rb-doped PPKTiOPO4 (PPRKTP). These developments should stimulate new potential applications in nonlinear frequency conversion.

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Section: Experimental Demonstrations Of Aqpm Shgmentioning

confidence: 71%

Section: Introductionmentioning

confidence: 80%

Section: Setups and Methodsmentioning

confidence: 99%

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Angular Quasi-Phase-Matching in Periodically Poled Uniaxial and Biaxial Crystals

et al. 2022

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“…In this way, we can realize tunable phase-matched SHG with angular engineering of the APP in one APP crystal. Compared with angular BPM limited by strict refractive index dispersion condition Δ k = 0 or angular QPM depending on ferroelectric materials 28 – 30 , the angular APP technique could realize tunable phase matching in the nonlinear optical materials no matter those with or without Δ k = 0 and reversed ferroelectric domains by continuous phase manipulation of Δ φ = 2 Nπ . Moreover, angular APP strategy should be theoretically suitable for all non-centrosymmetric nonlinear crystals in the entire spectral transmission range.…”

Section: Resultsmentioning

confidence: 99%

Angular engineering strategy of an additional periodic phase for widely tunable phase-matched deep-ultraviolet second harmonic generation

Shao

Liang

et al. 2022

Light Sci Appl

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Manipulation of the light phase lies at the heart of the investigation of light-matter interactions, especially for efficient nonlinear optical processes. Here, we originally propose the angular engineering strategy of the additional periodic phase (APP) for realization of tunable phase matching and experimentally demonstrate the widely tunable phase-matched second harmonic generation (SHG) which is expected for dozens of years. With an APP quartz crystal, the phase difference between the fundamental and frequency-doubled light is continuously angularly compensated under this strategy, which results the unprecedented and efficient frequency doubling at wavelengths almost covering the deep-UV spectral range from 221 to 332 nm. What’s more, all the possible phase-matching types are originally realized simultaneously under the angular engineering phase-matching conditions. This work should not only provide a novel and practical nonlinear photonic device for tunable deep-UV radiation but also be helpful for further study of the light-matter interaction process.

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“…We previously used this crystal to demonstrate the existence of angular-quasi-phase-matching (AQPM) in the case of the classical QPM-A, as shown in Fig. 2 [2]. AQPM, both with schemes A or B, is an interesting configuration because it allows the waves to propagate at any angle with respect to the grating vector ⃗⃗⃗⃗ , then giving access to new types of QPM in new spectral ranges and giant spectral acceptances.…”

Section: Qpm Measurementsmentioning

confidence: 99%

Negative First-Order Quasi-Phase Matching

Petit¹,

Peña²,

Segonds³

et al. 2020

Laser Congress 2020 (ASSL, LAC)

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HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L'archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d'enseignement et de recherche français ou étrangers, des laboratoires publics ou privés.

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Validation of the angular quasi-phase-matching theory for the biaxial optical class using PPRKTP

Cited by 6 publications

References 17 publications

Angular Quasi-Phase-Matching in Periodically Poled Uniaxial and Biaxial Crystals

Angular Quasi-Phase-Matching in Periodically Poled Uniaxial and Biaxial Crystals

Angular engineering strategy of an additional periodic phase for widely tunable phase-matched deep-ultraviolet second harmonic generation

Negative First-Order Quasi-Phase Matching

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