TopoLight provides a semiconductor laser platform based on quantum‑well and photonic‑crystal designs that deliver low threshold currents, broad wavelength tunability (1.3–2.1 µm), and high output power with narrow linewidths. The company offers rapid prototyping through wafer‑scale epitaxy and automated testing, delivering modular API‑controlled lasers ready for integration into photonic‑integrated circuits, LiDAR, telecom, and research systems.
Funding
Funding not disclosed
Founders
Product
Problem
Conventional semiconductor lasers often suffer from limited wavelength agility, high threshold currents, and slow development cycles, restricting their adoption in emerging high‑speed communication, precision sensing, and quantum photonics applications. Manufacturers and system integrators lack a flexible platform that can be rapidly prototyped to meet custom performance specifications.
Solution
TopoLight delivers a next‑generation semiconductor laser platform built on novel quantum‑well and photonic‑crystal architectures that achieve low threshold currents, broad wavelength tunability, and high wall‑plug efficiency. The company’s rapid‑prototype workflow leverages wafer‑scale epitaxial growth combined with automated device testing to shrink design‑to‑silicon‑integration timelines from months to weeks. Integrated on‑chip thermal management and advanced facet coating technologies enable stable operation at high output powers while maintaining narrow linewidths. Customers can access the lasers through a modular API that abstracts the underlying epitaxy, allowing seamless integration into photonic‑integrated circuits (PICs) or free‑space systems. All designs are delivered with full design‑for‑manufacturability (DFM) documentation and optional volume‑scaling support, reducing time‑to‑market for new products.
Target Audience
Primary customers are photonics OEMs, telecom equipment manufacturers, LiDAR system developers, and research labs requiring custom‑tuned, high‑performance semiconductor laser sources.
Features
- Quantum‑well heterostructure with band‑engineered gain media delivering sub‑100 mA threshold currents
- Photonic‑crystal cavity design providing continuous wavelength tuning over 1.3–2.1 µm range
- Integrated thermal‑spreaders and high‑reflectivity facet coatings for >1 W continuous‑wave output with <1 MHz linewidth
- Automated wafer‑level testing suite that characterizes slope efficiency, spectral purity, and reliability in under 5 minutes per die
- Design‑for‑manufacturability (DFM) package with standardized flip‑chip and edge‑emitting mounting options compatible with CMOS‑compatible PIC platforms
- API‑driven control firmware enabling real‑time bias modulation, wavelength sweep, and pulse shaping via standard SPI/I²C interfaces
- Scalable production pipeline supporting both low‑volume prototype runs (≤10 units) and high‑volume (>10 k units) manufacturing with documented process control metrics