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Characterization of Short PM Raman Fiber Lasers with a Small Spectral Bandwidth
Characterization Short PM Raman Fiber Lasers Small Spectral Bandwidth
2015/5/20
Linearly polarized Raman fiber lasers using 3 m and 6 m of a novel fiber are discussed. Experimental and theoretical results for output powers at watt levels and spectral widths in the 0.1 nm range ar...
Cooperative Light Scattering Effects in Optical Fibers, Lasers, and Amplifiers
Nonlinear optics fibers Lasers fibers
2015/5/20
We overview Rayleigh, Brillouin and Raman scattering in optical fibers, fiber amplifiers and lasers focusing on their mutual cooperation dynamics and explaining associated effects such as multi-cascad...
Tuning Methods for Uncooled Low-Cost Tunable Lasers in WDM-PON
Tuning Methods Uncooled Low-Cost Tunable Lasers WDM-PON
2015/5/18
This paper investigates tuning of uncooled low-cost lasers without an integrated wave locker via a shared, centralized wave locker in a WDM-PON context.
High-Precision In-situ Wavelength Stabilization and Monitoring of Tunable Lasers Using AWG and PD Arrays
In-situ Wavelength Stabilization Tunable Lasers AWG PD Array
2015/5/15
This paper presents a rapid laser wavelength stabilization and monitoring technique based on a feedback loop using AWG with PD arrays at 0.5 MHz. The experiment demonstrates control accuracy of ±0.015...
Design and Implementation of Phase-Shifted Distributed Feedback Lasers on the Hybrid Silicon platform.
Hybrid Silicon Distributed Feedback Lasers
2015/5/15
We fabricate, and characterize 36 designs of phase-shifted distributed-feedback lasers,varying κL products and shift lengths, in good agreement with theoretical calculations on the hybrid silicon plat...
Integrated Fourier Domain Mode-locked Lasers:Analysis of a Novel Coherent WDM Comb Laser
Fourier Domain Mode-locked Lasers WDM Comb
2015/5/15
Fourier-domain mode-locking of integrated laser diodes is studied theoretically for the application of WDM mode comb generation. Flat (<7 dB) combs with 40 modes spaced at 25 GHz and RIN values of bel...
Integration of photodetectors with lasers for optical interconnects using 200 mm waferscale III-V/SOI technology
photodetectors lasers III-V/SOI technology
2015/5/15
We demonstrate efficient photodetectors on top of a laser epitaxial structure completely fabricated using 200 mm wafer scale III-V/SOI technology enabling very dense integration of lasers and detector...
Multi Data-Rate Synchronization of 40 GHz Mode-Locked Quantum-Dash Lasers Diodes
Mode-Locked Lasers Diodes Quantum-Dash Multi Data-Rate Synchronization
2015/5/15
Beat-tones at 40-GHz from a QDash-ML laser under 10 to 160 Gb/s optical injection are analyzed. A FWHM linewidth less than 8 Hz is obtained regardless of the rate of injected data stream.
A New Scheme of Aspherical Microlense for Efficient Coupling High-Power Lasers to Fibers
Aspherical Microlense Efficient Coupling High-Power Lasers Fibers
2015/5/14
We propose and demonstrate a new scheme of aspherical microlens (ASM) employing a single-step grinding technique with fully automated process for efficient coupling between the high-power 980-nm laser...
Demonstration of Low-Cost Uplink Transmission in a Coherent OCDMA PON Using Gain-Switched Fabry–Perot Lasers With External Injection
Fabry–Perot (FP) laser gain-switching optical code-division multiple access (OCDMA) passive optical network (PON)
2016/12/2
We propose and demonstrate a simple and low-cost uplink transmission scheme for coherent optical code-division multiple access (OCDMA) passive optical networks (PONs), using gain-switched Fabry-Perot ...
OCDMA PON supporting ONU internetworking based on gain-switched Fabry–Perot lasers with external dual-wavelength injection
Fiber optics and optical communications Fiber optics communications
2016/12/2
We propose and demonstrate an OCDMA-PON scheme with optical network unit (ONU) internetworking capability, which utilizes low-cost gain-switched Fabry-Pérot (GS-FP) lasers with external dual-wavelengt...
A Self Wavelength Tracking Method for a Cost Effective WDM-PON with Tunable Lasers
Optical communications Networks
2015/6/10
We demonstrate a self wavelength tracking method for tunable lasers in a WDM-PON.By measuring the back-scattered power by a feeder fiber, we identified and tracked the allocated wavelength of the tuna...
Real-Time Monitoring of the Modal Content of Monolithic Large-Mode-Area Fiber Lasers
Fiber characterization Lasers fiber Fiber Bragg gratings Fabry-Perot
2015/6/9
A method for the real-time monitoring of the modal content of a monolithic LMA fiber laser is reported for the first time. It allows for the direct observation of the dynamics of transversal mode comp...
Compact, High-Speed Hybrid Silicon Microring Lasers for Computer Interconnects
Semiconductor lasers Photonic integrated circuits
2015/6/9
We investigate scaling of compact, low-threshold hybrid silicon microring lasers to meet the criteria of low power consumption, high-speed modulation and operation in elevated temperature for optical ...
Line Coding for 10-Gb/s Directly Modulated Lasers
Fiber optics optical communications Frequency modulation
2015/6/9
We experimentally investigate the use of various line coding schemes (8B/10B, 5B/6B,7B/8B, 9B/10B, 64B/66B) to improve the performance of frequency modulation-based directly modulated lasers. We show ...