Publications by Anat Siddharth

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Coherent interconversion between microwave and optical frequencies can serve as both classical and quantum interfaces for computing, communication, and sensing. Here, we present a compact microwave-optical transducer based on monolithic integration of piez ...

We demonstrate hybrid integration of an RSOA with an extended-distributed Bragg reflector (E-DBR) laser cavity implemented on a Si3N4 chip with monolithically integrated piezoactuators. The laser exhibits intrinsic linewidth of 4 Hz with laser frequency tu ...

Hybrid photonic integrated lasers have revolutionized laser technology by combining the scalable manufacturing of simple laser diodes with high-performance features such as frequency stability, opticallinewidth, and tuning linearity [1], traditionally only ...

Frequency-agile lasers that can simultaneously feature low noise characteristics and fast mode-hop-free frequency tuning are keystone components for applications ranging from LiDAR and distributed sensing to communication and quantum information processing ...

We demonstrate a hybrid integrated frequency-agile laser based on an InP gain chip and an extended electro-optic Bragg waveguide reflector manufactured with a wafer-scale lithium niobate-on-insulator process featuring 10 GHz tuning range with high optical ...

We demonstrate a hybrid integrated low-noise laser based on a 900 nm laser diode self-injection locked to a microresonator with MEMS actuators exhibiting a frequency actuation bandwidth >10 MHz and a tuning efficiency >30 MHz/V. ...

We demonstrate an integrated Erbium-based tunable laser using wafer-scale fabrication and ion implantation of silicon nitride photonic integrated circuits, and achieve single-frequency lasing tunable from 1530 nm to 1575 nm covering the entire optical C-ba ...

Silicon Nitride integrated photonic circuits have drawn much attention owing to its ultra-low loss and large Kerr nonlinearity. However, the lack of Pockels effect makes it difficult to be modulated clectro-optically, which posts a major challenge for the ...

We demonstrate an electro-optically tunable hybrid integrated laser self-injection locked to a mode of a heterogeneously integrated lithium-niobate-on-Damascene-silicon-nitride microresonator. An intrinsic linewidth of 3 kHz and a frequency tuning rate of ...

We demonstrate a strip waveguide-based LiNbO3 photonic integrated circuit fabricated with a novel hard mask, diamond-like-carbon (DLC). The steep sidewall configuration exhibits tight optical confinement and dispersion control while preserving ultra-low lo ...

Chip-based, single-frequency and low phase-noise integrated photonic laser diodes emitting in the violet (412 nm) and blue (461 nm) regime are demonstrated. The GaN-based edge-emitting laser diodes were coupled to high-quality on-chip micro-resonators for ...

The hybrid integration of III-V gain media with low-loss photonic integrated circuits has advanced the performance of laser systems in terms of laser stability and coherence. The advent of lithium niobate on insulator (LNOI) photonics for self-injection lo ...

We demonstrate a novel class of lasers, based on the hybrid integration of an RSOA with an extended-distributed Bragg reflector (E-DBR) laser cavity implemented on a Si3N4 chip with microheaters. This enables us to reach sub-kHz laser linewidth with more t ...

An optical reflector chip (10) comprising a waveguide arrangement (11) configured to guide optical radiation and a modulation device (3). The waveguide arrangement (11) comprises a Bragg grating section (111), the Bragg grating section (111) comprising a p ...

We demonstrated a packaged optomechanical accelerometer with resolution of 850ng. The resonance of a 4 million Q Si3N4 microring resonator is modulated by the stress in springs of a released milligram proof mass upon acceleration. ...

We demonstrate a stabilization scheme for dissipative Kerr solitons in SiN-resonators achieving high comb stability and long-term operation. Measuring 10Hz level absolute Kerr comb line stability (at 1 second) close to the pump, resulting in kHz level stab ...

We present compact microwave-optical transducers between the microwave S-band and optical C-band based on monolithic integration of piezoelectric actuators atop silicon nitride photonic circuits. The silica cladding of the optical waveguide core is suspend ...

We demonstrate a Vernier ring laser with linear frequency tuning of 1.5 GHz at 100 kHz chirp rate and wavelength switching with 7 ns rise time and 75 nW power consumption using Si3N4 photonic chip with integrated PZT actuators. ...

Stable and tunable integrated lasers are fundamental building blocks for applications from spectroscopy to imaging and communication. Here the authors present a narrow linewidth hybrid photonic integrated laser with low frequency noise and fast linear wave ...

We demonstrate for the first time a frequency-modulated continuous wave photonic integrated blue laser with sub-MHz linewidth. The laser exhibits frequency excursion greater than 900 MHz at up to 1 MHz triangular chirp rate with a nonlinearity of less than ...

Anat Siddharth

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Bidirectional microwave-optical transduction based on integration of high-overtone bulk acoustic resonators and photonic circuits

Hertz-linewidth, high-power, frequency-agile photonic integrated E-DBR laser

Ultrafast Tunable Photonic Integrated Extended-DBR Pockels Laser

Ultrafast tunable photonic-integrated extended-DBR Pockels laser

Ultrafast Pockels-tunable hybrid integrated E-DBR laser

Frequency-agile Hybrid Integrated Laser at Sub-micron Spectral Range for Coherent Sensing and Quantum Applications

Full C-band tunable integrated Erbium lasers via wafer-scale fabrication

X-Band Aom On Chip

Lithium-niobate-based narrow-linewidth frequency agile integrated lasers with petahertz frequency tuning rate

High-density lithium niobate integrated photonics

Single-frequency violet and blue laser emission from AlGaInN photonic integrated circuit chips

Ultrafast Tunable Photonic Integrated E-DBR Pockels Laser

Sub-kHz linewidth, high power, frequency agile photonic integrated E-DBR laser

Tunable optical reflector chip for external cavity laser

A High-Resolution Photonic Integrated High Q Microresonator Based Accelerometer

Stabilization of SiN Kerr Solitons for the calibration of astronomical spectrographs

Microwave-Optical Transduction Using High-Overtone Bulk Acoustic Resonators on Silicon Nitride Photonics

Frequency agile photonic integrated external cavity laser

Low-noise frequency-agile photonic integrated lasers for coherent ranging

Sub-MHz linewidth, FMCW photonic integrated blue laser