Welcome to Toptrans

Toptrans(Suzhou)Co., Ltd. is mainly devote dedicate in the R & D, design, wafer manufacturing and packaging test of lll-V semiconductor laser chips. The company has in-house epitaxy and wafer process ability, the complete optical performance and reliability testing capabilities.The products are mainly used in high-speed optical communication and Consumer electronics. The company is committed to developing low-cost, high-performance and long-life semiconductor laser chips, and has become a domestic optical chip supplier with mass production capacity.
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50 Gb/s PAM4 850-nm VCSEL
The HC-YR4085 50 Gb/s (PAM-4) 1×4 array Oxide VCSEL is a 150-µm thick, 850-nm wavelength, GaAs based Vertical Cavity Surface Emitting Laser (VCSEL) array, designed for high-speed optical data communication applications, in particular for optical transceivers. The Toptrans VCSEL is engineered for superior reliability, dynamic performance and optical power over temperature. The VCSEL arrays have both anode contacts and common cathode contacts on the top side of the chip for convenient wire bonding. The VCSEL produces a circularly symmetric, narrow beam which, with appropriate lenses, enables the optical power to be coupled efficiently into 50/125μm and 62.5/125μm multi-mode fiber. Toptrans' VCSEL arrays are extensively tested to insure performance, wear out lifetime, and wet-humid (85%RH/85°C) operating life in non-hermetic environments.
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A leading manufacturer of high-speed VCSEL
High volume optical manufacturing capability of high-speed VCSEL
Leading-edge quality assurance system quarantee on-time deliver to satisfy customer's growing orders

Toptrans will appear at the The Optical Fiber Communication Conference and Exhibition

Date：2024/3/24-2024/3/28

Shenzhen | Booth No：4016