All solid‐state pulsed lasers (ASSPLs) play a significant role in the fields of medical, military,
industry, and scientific research. Passive Q‐switching and mode‐locking are two of the most …

Integrated spectrometers offer the advantages of small sizes and high portability, enabling
new applications in industrial development and scientific research. Integrated Fourier …

The O-band coarse wavelength-division (de) multiplexing (CWDM) has been extensively
used in data-center optical communications, whereas it's still challenging to reduce crosstalk …

We demonstrate a compact high-performance adiabatic 3-dB coupler for the silicon-on-
insulator platform. The refractive index of the gap region between two coupling waveguides …

We demonstrate adiabatic couplers (ADCs) with design-intended splitting ratios (SRs) for
the silicon-on-insulator (SOI) platform. The operational principle, numerical simulations, and …

We design and experimentally demonstrate an ultra-broadband and compact two-mode
multiplexer based on subwavelength-grating-slot-assisted adiabatic coupler for the silicon …

Optical isolators and circulators are fundamental building block in photonic integrated
circuits to block undesired reflections and routing light according to a prescribed direction. In …

We have proposed and experimentally realized an ultra-compact and broadband silicon
nitride edge-coupler that enables high coupling efficiency. The proposed coupler was …

Many applications, including optical multiplexing, switching, and detection, call for low-cost
and broadband photonic devices with polarization-independent operation. While the silicon …

We report a 2× 2 broadband and fabrication tolerant mode-evolution-based 3 dB coupler
based on silicon-on-insulator rib waveguides. The operating principle of the coupler is …