3 papers
physics.optics2026
Straight Directional Couplers via Scan-Engineered Index Control
Mohan Wang, Martin J. Booth, Patrick S. Salter
A novel design for straight directional waveguide couplers and interferometers is demonstrated in glass, fabricated using femtosecond laser direct writing and operating at telecomm…
physics.optics2026
Laser written waveguides to the sample edge
Zhi-Kai Pong, Mohan Wang, Ji Qin +2
A method is presented for fabrication of femtosecond laser written waveguides in glass to remove the need for polishing of substrates after processing. It is shown that by amplitud…
physics.optics2025
A reconfigurable arbitrary retarder array as complex structured matter
Chao He, Binguo Chen, Zipei Song +31
Tuneable retarder arrays, such as spatially patterned liquid crystal devices, have given rise to impressive photonic functionality, fuelling diverse applications ranging from micro…