A pseudo optical frequency comb interferometry by an optical resonator and a high-speed swept-source for 2D single-shot tomography and profilometry

2016 ◽  
Author(s):  
Q. T. Banh ◽  
T. Shioda
Keyword(s):  
High Speed ◽  
Frequency Comb ◽  
Optical Resonator ◽  
Optical Frequency Comb ◽  
Optical Frequency ◽  
Single Shot ◽  
Swept Source

scholarly journals Real-time frequency-encoded spatiotemporal focusing through scattering media using a programmable 2D ultrafine optical frequency comb

2020 ◽  
Vol 6 (8) ◽  
pp. eaay1192 ◽  
Author(s):  
Xiaoming Wei ◽  
Yuecheng Shen ◽  
Joseph C. Jing ◽  
Ashton S. Hemphill ◽  
Changsheng Yang ◽  
...  
Keyword(s):  
Real Time ◽  
Frequency Comb ◽  
Optical Frequency Comb ◽  
Optical Frequency ◽  
Single Shot ◽  
Scattering Media ◽  
Wave Source ◽  
Time Frequency ◽  
Temporal Focusing ◽  
Wavefront Shaping

Optical wavefront shaping is a powerful tool for controlling photons in strongly scattering media. Its speed, however, has been the bottleneck for in vivo applications. Moreover, unlike spatial focusing, temporal focusing from a continuous-wave source has rarely been exploited yet is highly desired for nonlinear photonics. Here, we present a novel real-time frequency-encoded spatiotemporal (FEST) focusing technology. FEST focusing uses a novel programmable two-dimensional optical frequency comb with an ultrafine linewidth to perform single-shot wavefront measurements, with a fast single-pixel detector. This technique enables simultaneous spatial and temporal focusing at microsecond scales through thick dynamic scattering media. This technology also enabled us to discover the large-scale temporal shift, a new phenomenon that, with the conventional spatial memory effect, establishes a space-time duality. FEST focusing opens a new avenue for high-speed wavefront shaping in the field of photonics.

scholarly journals Quantum enhanced measurement of an optical frequency comb

2021 ◽  
Vol 7 (1) ◽  
Author(s):  
Y. Cai ◽  
J. Roslund ◽  
V. Thiel ◽  
C. Fabre ◽  
N. Treps
Keyword(s):  
Frequency Comb ◽  
Parameters Estimation ◽  
Optical Frequency Comb ◽  
Quantum Limit ◽  
Optical Frequency ◽  
Single Shot ◽  
Spectral Parameters ◽  
Detection Scheme ◽  
Standard Quantum ◽  
Standard Quantum Limit

AbstractMeasuring the spectral properties of an optical frequency comb is among the most fundamental tasks of precision metrology. In contrast to general single-parameter measurement schemes, we demonstrate here single shot multi-parameter estimation of an optical frequency comb at and beyond the standard quantum limit. The mean energy and the central frequency as well as the spectral bandwidth of ultrafast pulses are simultaneously determined with a multi-pixel spectrally resolved (MPSR) apparatus, without changing the photonics architecture. Moreover, using a quantum frequency comb that intrinsically consists of multiple squeezed states in a family of Hermite–Gaussian spectral/temporal modes, the signal-to-noise ratios of the multiple spectral parameters estimation can surpass the standard quantum limit. Combining our multi-pixel detection scheme and the multimode entangled resource could find applications in ultrafast quantum metrology and multimode quantum information processing.

scholarly journals Multi-wavelength 128 Gbit/s/λ PAM4 optical transmission enabled by a 100 GHz quantum dot mode-locked optical frequency comb

2021 ◽  
Author(s):  
Shujie Pan ◽  
Hongguang Zhang ◽  
Zizhuo Liu ◽  
Mengya Liao ◽  
Mingchu Tang ◽  
...  
Keyword(s):  
Quantum Dot ◽  
Wavelength Division Multiplexing ◽  
High Speed ◽  
High Efficiency ◽  
Frequency Comb ◽  
Low Cost ◽  
Pulse Amplitude ◽  
Optical Frequency Comb ◽  
Optical Frequency ◽  
Light Sources

Abstract Semiconductor mode-locked lasers (MLLs) with extremely high repetition rates are promising optical frequency comb (OFC) sources for their usage as compact, high-efficiency, and low-cost light sources in high-speed dense wavelength-division multiplexing (DWDM) transmissions. The fully exploited conventional C- and L- bands require the research on O-band to fulfil the transmission capacity of the current photonic networks. In this work, we present a passive two-section InAs/InGaAs quantum-dot (QD) MLL-based OFC with a fundamental repetition rate of ~100 GHz operating at O-band wavelength range. The specially designed device favours the generation of nearly Fourier-transform-limited pulses in the entire test range by only pumping the gain section while with the absorber unbiased. The typical integrated relative intensity noise (RIN) of the whole spectrum and a single tone are -152 dB/Hz and -137 dB/Hz in the range of 100 MHz to 10 GHz, respectively. Back-to-back (B2B) data transmissions for 7 selected tones have been realised by employing a 64 Gbaud four-level pulse amplitude modulation format (PAM-4). The demonstrated performance shows the feasibility of the InAs QD MLLs as a simple structure, easy operation, and low power consumption OFC sources for high-speed fibre-optic communications.

Dispersion spectroscopy with optical frequency comb-based single-shot dual-heterodyne mixing

2019 ◽  
Vol 58 (33) ◽  
pp. 9044 ◽  
Author(s):  
Sultana Nasrin ◽  
Hiroaki Tada ◽  
Leona Yuda ◽  
Tatsutoshi Shioda
Keyword(s):  
Frequency Comb ◽  
Optical Frequency Comb ◽  
Optical Frequency ◽  
Single Shot ◽  
Heterodyne Mixing

Ultra-fast Waveform Measurement in Single-shot Using Optical Frequency Comb Analyzer

2020 ◽  
Author(s):  
Hiroaki Tada ◽  
Leona Yuda ◽  
Nasrin Sultana ◽  
Hayate Imai ◽  
Tatsutoshi Shioda
Keyword(s):  
Frequency Comb ◽  
Optical Frequency Comb ◽  
Optical Frequency ◽  
Single Shot
Sign in / Sign up

Export Citation Format

Share Document