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physics.optics2026

Heterogeneously Integrated Balanced Photodetector on an Ultra-Low Loss Silicon Nitride Delay Line Interferometer

Rahul Chawlani, Fatemehsadat Tabatabaei, Mark W. Harrington +7

Thin core silicon nitride photonics enables ultra-low loss, CMOS foundry compatible integration that supports wavelengths from the visible to shortwave infrared. Applications that…

physics.optics2026

Ultra-Low-Noise Brillouin Hybrid Synthetic Laser for Sub-Hertz Lattice Clock Spectroscopy

Meiting Song, Stefan Lannig, Dahyeon Lee +9

Frequency-stable lasers enable high-fidelity quantum state manipulation, which forms the basis of optical atomic clocks, quantum sensing, and quantum computation. Performing state…

physics.optics2026

Versatile CMOS modulation-free self-isolating stabilized precision lasers on a chip

David A. S. Heim, Kaikai Liu, Rahul Chawlani +2

Ultra-low-noise stabilized lasers are a fundamental tool for precision quantum technologies, optical clocks, microwave and millimeter-wave generation, and fiber sensing. Existing s…

physics.optics2026

Self-aligned optical microcomb emerging between octave separated lasers

Grégory Moille, Pradyoth Shandilya, Jordan Stone +11

Optical frequency combs (OFCs) are frequency rulers essential for precision metrology, next generation navigation, and testing of fundamental physics. Despite intense efforts, chip…

physics.optics2026

Blue to Near-IR Integrated PZT Silicon Nitride Modulators for Quantum and Atomic Applications

Nick Montifiore, Andrei Isichenko, Nitesh Chauhan +8

Modulation and control of lasers and optical signals is necessary for trapped-ion and cold neutral atom quantum systems. Given the diversity of atomic species, experimental modalit…

physics.optics2026

Sub-Doppler rubidium atom cooling using a programmable agile integrated PZT-on-SiN resonator

Andrei Isichenko, Steven Carpenter, Nick Montifiore +12

Programmability and precise control of laser frequency are essential for quantum experiments and applications such as atomic clocks, quantum computers, and cold-atom sensors. Curre…