32x100 GHz WDM filter based on ultra-compact silicon rings with a high thermal tuning efficiency of 5.85 mW/pi

TL;DR

This paper presents a silicon ring-based WDM filter with 32 channels at 100 GHz spacing, achieving the lowest thermal tuning power of 5.85 mW/pi, demonstrating high efficiency and compactness.

Contribution

It introduces the first silicon ring-based WDM-32x100 GHz filter with ultra-low thermal tuning power of 5.85 mW/pi.

Findings

Achieved the lowest thermal tuning power for silicon rings with FSR>=3.2 THz.

Developed a 32-channel WDM filter with 100 GHz spacing.

Demonstrated high thermal tuning efficiency and compact design.

Abstract

To the best of our knowledge, this paper has achieved the lowest thermal tuning power (5.85 mW/pi) for silicon rings with FSR>=3.2 THz, and the first silicon ring-based WDM-32x100 GHz filter.