PPLN Waveguides - Covesion

Solutions

Pages

Free Space Solutions

MgO:PPLN Fiber Coupled Solutions

Research

Quantum Technology

Home

Aerospace and Defence

Environmental, Medical and Life Science

Solutions

Electronics & Accessories

Knowledge Hub

Temperature-tunable UV generation using an Alexandrite laser and PPLN waveguides

Zinc-indiffused MgO:PPLN waveguides for blue/UV generation via VECSEL pumping

WHITE PAPER: Wavelength Conversion in Harsh Environments

WHITE PAPER: MgO:PPLN Applications

WHITE PAPER: Periodically poled lithium niobate used in spectroscopy

WHITE PAPER: Periodically Poled Lithium Niobate (PPLN) used for Optical Parametric Oscillator (OPO) Applications

CASE STUDY: High Rate of Entangled Photons (HiREP)

CASE STUDY: QT Assemble

CASE STUDY: NeW-VIEW

CW demonstration of SHG spectral narrowing in a PPLN waveguide generating 2.5 W at 780 nm

CASE STUDY: Optoelectronics Research Centre, University of Southampton

TECHNICAL GUIDE: Example uses of PPLN

TECHNICAL GUIDE: Covesion Guide to PPLN: Introduction

WHITE PAPER: The Use of Periodically Poled Lithium Niobate (PPLN) in Medical Lasers

WHITE PAPER: Wavelength Engineering Using Non-Linear Optical Crystals

TECHNICAL GUIDE: Material properties of Lithium Niobate

RESEARCH PROJECT: Nonlinear Upconversion Technique for Monitoring Environmental Gases (NUTMEG)

TECHNICAL GUIDE: PPLN Crystal Grating Design

TECHNICAL GUIDE: How to Use PPLN

Covesion Launches MgO:PPLN Crystals with Fan-Out Grating

TECHNICAL GUIDE: High Power 780 nm for Laser Cooling and Manipulation of Rb Atoms

WHITE PAPER: Non-linear Optical Crystals Used for Quantum Technology

CASE STUDY: Shanghai Precilasers Technology Co., Ltd.

RESEARCH PROJECT: Single Photon Upconversion Detection (SPUD)

Zn-indiffused diced ridge waveguides in MgO:PPLN generating 1 watt 780 nm SHG at 70% efficiency

TECHNICAL GUIDE: Principles of nonlinear frequency conversion

TECHNICAL GUIDE: Frequency Doubling Femtosecond Fiber Lasers

Photon Pair Source based on PPLN-Waveguides for Entangled Two-Photon Absorption

RESEARCH PROJECT: Calcium Ion Frequency Standard project (CIFS)

We Unveil Our New Website!

Covesion Wins 2024 IoP Business Innovation Award

Leading the Way in Non-Linear Frequency Conversion – Made in Britain, Trusted Worldwide

CASE STUDY: School of Physics and Astronomy University of Glasgow

TECHNICAL GUIDE: Covesion SFG Crystals for Laser Cooling and Trapping

RESEARCH PROJECT: Next generation Wavelength Meters for the Mid-Infrared, Enabled by Upconversion in Waveguides project (NeW-VIEUW)

CASE STUDY: The UK Quantum Technology Hub

AdvR joins Covesion in Strategic Expansion

The Quantum Economic Development Consortium (QED-C)

Green-pumped, picosecond MgO:PPLN optical parametric oscillator

CASE STUDY: Tokamak Energy

Precision Unlocked: Covesion Launches Frequency-Stabilised Laser System for Quantum Innovation

RESEARCH PROJECT: QT Assemble

Fully-integrated dual-wavelength all-fiber source for mode-locked square-shaped mid-IR pulse generation via DFG in PPLN

Femtosecond OPO based on MgO:PPLN synchronously pumped by a 532nm fiber laser

Compact 1.3 W green laser by intracavity frequency doubling of a multi-edge-emitter laser bar using a MgO:PPLN crystal

Efficient difference frequency generation for quantum frequency conversion in a multimode PPLN-waveguide

High power, tunable, ultrafast yellow laser using cascaded second harmonic generation of mid-IR Cr2+:ZnS laser in MgO:PPLN crystals

Quasi-CW Pumping of a Single-Frequency Fiber Amplifier for Efficient SHG in PPLN Crystals with Reduced Thermal Load

Compact picosecond mid-IR PPLN OPO with controllable peak powers

Broadband telecom photon pairs from a fiber-integrated PPLN ridge waveguide

CASE STUDY: ID Quantique

Fiber Coupled Bulk Crystal Modules Video

CASE STUDY: Wroclaw University of Science and Technology

CASE STUDY: Institute of Photonics (IOP) Leibniz University of Hannover, Germany

High average power parametric wavelength conversion at 3.31–3.48 µm in MgO:PPLN

Yb-fiber amplifier pumped idler-resonant PPLN optical parametric oscillator producing 90 femtosecond pulses with high beam quality

Investigation of PPLN Waveguide Uniformity via Second Harmonic Generation Spectra

Intra-cavity frequency doubling of an electrically pumped edge-emitting 980 nm laser diode with PPLN

SPDC photon pairs using a spatially anti-symmetric pump beam in a ppLN ridge waveguide

RESEARCH PROJECT: High Rate of Entangled Photons (HiREP)

Welcome to the team Tahsina!

Meet the Team

Research Project: Broadband Quantum Synthesizer for Ultrafast Quantum Photonics (BQS)

Edge-enhanced optical parametric generation in periodically poled LiNbO3

CASE STUDY: SNORQL

RESEARCH PROJECT: Mid-IR Upconversion Single-photon detection project (MIRUS)

RESEARCH PROJECT: Space-certified Nonlinear Optical Rugged Quantum Lasers (SNORQL)

RESEARCH PROJECT: Blue Laser Integration with Networked Quantum-Memories (BLINQ)

Research Project: Single-photon Enhanced Quantum Optical Network Detector (SEQOND)

Picosecond Pulsed Squeezing in Thin-Film Lithium Niobate Strip-Loaded Waveguides at Telecommunication Wavelengths

Research Project: Mid-Infrared Free-Space Telecommunications (MIST)

A Nanosecond Optical Parametric Oscillator in the mid IR Region with Double Pass Pump

Nonlinear optical imaging by detection with optical parametric amplification (invited paper)

RESEARCH PROJECT: UP-conversion of Single photons for ENvironmental SEnsing (UPSENSE)

Single-photon infrared waveguide based upconversion imaging

Study of quasi-phase matching wavelength acceptance bandwidth for periodically poled LiNbO3 crystal-based difference-frequency generation

Improvement to Sellmeier equation for periodically poled LiNbO3 crystal using mid-infrared difference-frequency generation

Generation of 43 W of quasi-continuous 780 nm laser light via high-efficiency, single-pass frequency doubling in periodically poled lithium niobate crystals

Laser World of Photonics 2025

Research Project: High Accuracy Robust deployabLE Quantum Inertial Navigation (HARLEQUIN ST)

Research Project: InQKD: Integrated Quantum Light Source for Quantum Key Distribution

Femtosecond optical parametric oscillators toward real-time dual-comb spectroscopy

High-power frequency comb source tunable from 2.7 to 4.2 μm based on difference frequency generation pumped by an Yb-doped fiber laser

Mid-infrared optical frequency combs based on difference frequency generation for molecular spectroscopy

DFG-based mid-IR generation using a compact dual-wavelength all-fiber amplifier for laser spectroscopy applications

Combining a DS-DBR laser with QPM-DFG for mid-infrared spectroscopy

Mid-infrared laser absorption spectrometers based upon all-diode laser difference frequency generation and a room temperature quantum cascade laser for the detection of CO, N2O and NO

Widely phase-matched tunable difference-frequency generation in periodically poled LiNbO3 crystal

A difference frequency generation spectrometer and its detection of atmospheric N2O

2D IR spectroscopy at 100 kHz utilizing a Mid-IR OPCPA laser source

High-energy, near- and mid-IR picosecond pulses generated by a fiber-MOPA-pumped optical parametric generator and amplifier

Optical Parametric Oscillator within 2.4–4.3 μm Pumped with a Nanosecond Nd:YAG Laser

52% optical-to-optical conversion efficiency in a compact 1.5 W 532 nm second harmonic generation laser with intracavity periodically-poled MgO:LiNbO3

532nm laser sources based on intracavity frequency doubling of multi-edge-emitting diode lasers

Blue light generated by intra-cavity frequency doubling of an edge-emitting diode laser with a periodically poled LiNbO3 crystal

Toward industrial and fibered non-linear sum frequency generation devices

High-energy, mid-IR, picosecond fiber-feedback OPO

Widely-tunable synchronisation-free picosecond laser source for multimodal CARS, SHG, and two-photon microscopy

Ultrabright Sagnac-type source of non-degenerate polarization-entangled photon pairs using only off-the-shelf optical components

Compact and versatile OPG-OPA based on a periodically poled nonlinear crystal pumped by femtosecond Ytterbium fiber laser

Continuous ultraviolet to blue-green astrocomb

High-energy, mid-IR, picosecond fiber-feedback optical parametric oscillator

15-µJ picosecond hollow-core-fiber-feedback optical parametric oscillator

Over 3.8 W, 3.4 µm picosecond mid-infrared parametric conversion based on a simplified one-to-many scheme

Telecom source of tunable polarization-entanglement distribution up to 100-km for multi-user QKD over metro-area fiber-optic networks

High-coherence mid-infrared dual-comb spectroscopy spanning 2.6 to 5.2 μm

Near-Maximal Two-Photon Entanglement for Optical Quantum Communication at 2.1 um

Rejuvenating a Versatile Photonic Material: Thin-Film Lithium Niobate

Recent Progress in Short and Mid-Infrared Single-Photon Generation: A Review

Search results for: PPLN Waveguides

Solutions

Pages

Knowledge Hub