Silicon Reach-Through Avalanche Photodiodes
We have developed a new silicon reach-through avalanche photodiode (RAPD) operating in the blue wavelength range with improved sensitivity and noise performance superior to any similar
Researchers create a compact, all-optical device with the lowest microwave noise ever achieved for an integrated chip. In a new Nature study, Columbia Engineering researchers have built a photonic chi...
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We have developed a new silicon reach-through avalanche photodiode (RAPD) operating in the blue wavelength range with improved sensitivity and noise performance superior to any similar
Researchers led by Dr. Changmin Ahn and Prof. Jungwon Kim at KAIST, in collaboration with Prof. Hansuek Lee, have demonstrated a chip-scale photonic approach for generating ultralow
In this paper, we review the impact of silicon photonic chips on dramatically improving the tuning range and the noise characteristics. Two different types of technologies are reviewed—
Silicon photonics has developed into a mainstream technology driven by advances in optical communications. The current generation has led to a proliferation of integrated photonic
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gnificantly, allowing for high-power amplification with watt-level output power directly from the chip. In this work we demonstrate that a single integrated LMA amplifier is capable of both high-power
The lineup of Si photodiodes we manufacture utilizing our own advanced semiconductor process technologies covers a broad spectral range from the near infrared to ultraviolet and even to high
Coherent''s latest CW lasers pack high output power and ultra-low noise into a design that scales up for manufacturing. That mix could turn them into a cornerstone for co-packaged optics
This paper concludes with a brief discussion of schemes combining lasers with SiN ultra-high Q (UHQ) resonators to create the ultimate ultra-low noise semiconductor laser sources [16-20], surpassing
Silicon nitride (SiN) waveguides with ultra-low optical loss enable integrated photonic applications including low noise, narrow linewidth lasers, chip-scale nonlinear photonics, and microwave photonics.
In a new Nature study, Columbia Engineering researchers have built a photonic chip that can produce high-quality, ultra-low-noise microwave signals using only a single laser.