Electrically tunable VCSEL with intra-cavity liquid crystal: Design, optimization, and analysis of polarization- and mode-stability

Frasunkiewicz, Leszek; Czyszanowski, Tomasz; Thienpont, Hugo; Panajotov, Krassimir

doi:10.1016/j.optcom.2018.06.065

Cited by 16 publications

(10 citation statements)

References 27 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Therefore, the temperature distribution induces a focusing index profile in the half-VCSEL and a defocusing one in the LC reservoir, in competition between them. These phenomena are mentioned in [12] and their coupling with electrical injection in the half-VCSEL is studied in details for the first time in this work, to the best of our knowledge.…”

Section: A Thermal Effectsmentioning

confidence: 91%

“…Experimental data are available for VCSELs, overlayed by an LC reservoir [8], [9], [10], which is very different compared to an intracavity tunable device. Hitherto two different approaches have been proposed: wafer fusion [11], [12] and hybrid approach [13], [14], both lacking experimental demonstration of an electrically driven device.…”

Section: Introductionmentioning

confidence: 99%

“…Since the two methods used for the fabrication of the LC microcell's walls, inorganic and organic, differ so much, the related issues are totally different and, correspondingly, their designs. Therefore this requires vectorial optical simulations of a complex structure including anisotropic layers, accounting for thermally induced variations of refractive indices, very important in these devices for the antiguiding features of LCs [12].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Anisotropic Transverse Confinement Design for Electrically Pumped 850 nm VCSELs Tuned by an Intra Cavity Liquid-Crystal Cell

Debernardi

Simaz

Tibaldi

et al. 2022

IEEE J. Select. Topics Quantum Electron.

View full text Add to dashboard Cite

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.

show abstract

Section: A Thermal Effectsmentioning

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Anisotropic Transverse Confinement Design for Electrically Pumped 850 nm VCSELs Tuned by an Intra Cavity Liquid-Crystal Cell

Debernardi

Simaz

Tibaldi

et al. 2022

IEEE J. Select. Topics Quantum Electron.

View full text Add to dashboard Cite

show abstract

“…Compared with traditional EBL, DTL does not require expensive and complex projection optical systems, and can achieve deep-focus exposure. Moreover, it can be used for photomask and the distance accuracy is insensitive [7] . Based on this advantage, we successfully fabricated uniform periodic grating structures on GaAs epitaxial wafers [8] .…”

Section: Introductionmentioning

confidence: 99%

High throughput fabrication of surface gratings on VCSEL using displacement Talbot lithography

Zhu

QUAN

2023

AOPC 2022: Optoelectronics and Nanophotonics

View full text Add to dashboard Cite

In this paper, surface grating Vertical Cavity Surface Emitting Laser(VCSEL) are fabricated by displacement Talbot lithography (DTL) exposure technology, and the effects of process parameters and anti-reflection layers on the quality of fabricated surface grating VCSEL are systematically studied. The experimental results show that this process can fabricate surface grating VCSEL with a depth of 20-150 nm. When the exposure dose is 30 mJ• cm -2 , the exposure light intensity is 2 mW• cm -2 , and the developing time is 1 min, the results that meet the experimental requirements are obtained. The experimental results show that the method of surface grating VCSEL fabricated by DTL exposure technology can replace EBL exposure technology. It is of great significance to improve the performance of VCSEL.

show abstract

“…At the center of the waveguide, there is a T-shaped platform on the top surface of the waveguide to further enhance the spin-directional locking and boost the coupling efficiency. The proposed bidirectional vertical coupler can be used for coupling vertical cavity surface-emitting lasers (VCSELs) to PICs, e.g., spin-VCSELs [31][32][33] and liquid crystal (LC)-VCSELs [34,35], and as polarization diversified power routers for telecommunication applications. Due to its compact size, it can be applicable for co-integration with very-large-scale integrated (VLSI) circuits, making it a good candidate for vertical cross-chip communication [20,[36][37][38][39].…”

Section: Introductionmentioning

confidence: 99%

Highly efficient, ultra-compact, and ultra-broadband bidirectional vertical coupler based on spin-directional locking

Pezeshki¹

2022

J. Opt. Soc. Am. B

View full text Add to dashboard Cite

An ultra-compact and ultra-broadband polarization-selective bidirectional vertical coupler is proposed. The coupler is designed by coupling unique two-plane chiral π -shaped plasmonic nanoantennas on top of a silicon-on-insulator waveguide. By taking advantage of the spin-directional locking principle and coupled nanoantennas, a circularly polarized incident light can be coupled into a specific direction through the waveguide, depending on its spin. Based on the full-vectorial finite element method, for a beam radius of 0.53 µm, the coupler with a size of 1.07 × 0.5 µ m 2 provides maximum coupling efficiency and an extinction coefficient of − 6.9 d B and 16.9 dB across the telecommunication C to U bands, respectively, with a 2 dB bandwidth of > 160 n m . The proposed coupler has potential applications in telecommunications, vertical cross-chip communications, and quantum information processing.

show abstract

Electrically tunable VCSEL with intra-cavity liquid crystal: Design, optimization, and analysis of polarization- and mode-stability

Cited by 16 publications

References 27 publications

Anisotropic Transverse Confinement Design for Electrically Pumped 850 nm VCSELs Tuned by an Intra Cavity Liquid-Crystal Cell

Anisotropic Transverse Confinement Design for Electrically Pumped 850 nm VCSELs Tuned by an Intra Cavity Liquid-Crystal Cell

High throughput fabrication of surface gratings on VCSEL using displacement Talbot lithography

Highly efficient, ultra-compact, and ultra-broadband bidirectional vertical coupler based on spin-directional locking

Contact Info

Product

Resources

About