G&H event poster for a talk titled 'Optical Amplifiers: From Underseas Repeaters to Laser Terminals in Space.' Speaker: Dr. Stratos Kehayas, President, Photonics Division. Scheduled for Oct. 29, 2025, 5:00–5:30 PM in Room 1A, Colorado Convention Center, Denver, Colorado, USA. Poster includes G&H logo, a photo of Dr. Kehayas, and a dark blue background with light streak effects.

Dr. Stratos Kehayas, President of the G&H Photonics Division will be speaking at Frontiers in Optics & Laser Science (FiO LS) on Wednesday 29th October, 2025. 17:30PM – 18:00PM (Mountain Time – US & Canada). Room 1A, Colorado Convention Center, Denver, Colorado, USA. 

Space Optics & Space-based Laser Communications Sessions

Optical Amplifiers: From Underseas Repeaters to Laser Terminals in Space - Optical amplifiers revolutionized terrestrial networks and are now becoming vital parts of laser-based satellite communications. In this presentation we review the journey of qualifying 1550nm amplifiers and present development efforts in miniaturization and power scaling.

Frontiers in Optics and Laser Science - Dr. Stratos Kehayas

Small Form-Factor Variable Optical Delay Line

Embedded Image Periscope and Sighting Systems

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Laser communication terminal for geostationary satellites, A gold-foil-wrapped satellite optical payload is mounted on a testing platform in a cleanroom. The device, part of NEC's space technology, features a black aperture and various cables wrapped in blue protective material. The platform is labeled with NEC's slogan "Orchestrating a brighter world." The white walls of the cleanroom bear the NEC logo in multiple places

Laser communication terminal for geostationary satellites

JAXA

G&H, a leader in photonics, received a Certificate of Appreciation on behalf of NEC Space Technologies.

G&H Awarded Certificate of Appreciation by NEC Space Technologies for World-first Space Optical Fiber Amplifiers

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Fiber-Q xxx nm xxx MHz Fiber Coupled AOM (hermetic) product image

Fiber-coupled acousto-optic modulators offer an elegant and robust solution for amplitude modulation.

Fiber-Q® Fiber-Coupled Acousto-Optic Modulators

Front cover of the G&H Photonics West Paper 100W C-band Amplifiers blue and white triangle background with white text and white G&H logo

The EPOS Project: G&H present the development of extremely high-power optical fibre amplifier systems.

G&H Photonics Paper Published in SPIE Digital Library - 100W C-band amplifiers for Tbit/s satellite links: EPOS project

SM couplers product image - A cylindrical fiber optic component labeled "G&H" with a serial number and barcode, featuring red and blue fiber optic cables extending from both ends. The housing is metallic with black strain reliefs.

For splitting and coupling simultaneously over both 1310 nm and 1550 nm.

Dual Window Coupler 1310/1550nm

A comprehensive range line of single-mode fused fiber couplers (SM couplers) for visible and NIR wavelengths. 

SM Couplers

High Power Combiner product image - A slim, black rectangular optical component labeled "G&H" with a serial number and barcode, featuring optical fiber leads extending from both ends.

Precisely fused multimode pump fibers with signal feedthrough and dual clad output fibers.