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This paper presents an alternative approach for achieving higher optical efficiency in conventional parallax barrier 3D mobile displays. The method entails modifying and enhancing the protrusion struc...
A Broadband, Spectrally Flat, High Rep-rate Frequency Comb: Bandwidth Scaling and Flatness Enhancement of Phase Modulated CW through Cascaded Four-Wave Mixing
Broadband Spectrally Flat High Rep-rate Frequency Comb Bandwidth Scaling Flatness Enhancement Phase Modulated CW Cascaded Four-Wave Mixing
2015/5/20
We demonstrate a scheme to scale the bandwidth by several times while enhancing spectral flatness of frequency combs generated by intensity and phase modulation of CW lasers using cascaded four-wave m...
1 THz-Bandwidth Optical Comb Generation using Mach-Zehnder-Modulator-Based Flat Comb Generator with Optical Feedback Loop
1 THz-Bandwidth Optical Comb Mach-Zehnder-Modulator-Based Comb Generator Optical
2015/5/15
We demonstrated broadband comb generation using a Mach-Zehnder-modulator-based flat comb generator with an optical feedback loop. A 1 THz-width comb signal was successfully generated by increment of t...
Digital Video Bandwidth Requirements for Large Flat-panel Televisions
Fiber optics communications Psychophysics
2015/6/5
Consumer expectations for high quality high-definition programming will place greater demand on access networks as flat-panel display sizes increase. Herein, we investigate the bandwidth requirement t...
Observation of Narrow linewidth Beat Signal for Millimeter Wave Generation using MZM-Based Flat Comb Generator
Modulators Two-wave mixing
2015/6/4
We showed 100 GHz beat signals and estimated the linewidth of the beat signal. 100 GHz-spaced optical modes were extracted from 12.5 GHz-spaced comb signals. The linewidth was narrower than 1 Hz.
Dual-sided LCD displays are ideally suited for the public information display (PID) application. The UV excited flat lighting (UFL) was successfully demonstrated to perform dualsided illumination with...
MEMS-based 1x43 Wavelength-Selective Switch with Flat Passband
MEMS-based Wavelength-Selective Switch Flat Passband
2015/7/20
We propose a flat-passband 1x43 wavelength-selective switch by using a combination of anamorphic prism pairs and two-axis MEMS mirrors. The prototype successfully demonstrates a 1x43 switching with a ...
Picosecond and Sub-Picosecond Flat-Top Pulse Shaping Using Abrupt Taper Interferometers
Abrupt taper interferometer flat-top pulse generation pulse shaping
2016/12/2
A picosecond flat-top pulse shaper using an abrupt taper interferometer is proposed and experimentally demonstrated. A theoretical model based on coupled mode equations is also derived to simulate the...
Coherence characterization of partially coherent flat-topped beam propagating through atmospheric turbulence
partially coherent flat-topped beams (PCFT) atmospheric turbulence
2011/5/10
We study the change in the degree of coherence of a partially coherent flat-topped (PCFT) beam propagating through atmospheric turbulence. It is shown analytically that with a fixed set of source para...
Wavelength-tunable ultrashort optical pulse generation using Mach- Zehnder-modulator-based flat comb generator
Wavelength-tunable optical pulse Mach- Zehnder-modulator comb generator
2015/8/4
Broadband wavelength tunable femtosecond pulse generation has been demonstrated using a Mach-Zehnder-modulator-based comb generator. 200fs, 10GHz pulses were generated in the wavelength range of 1545 ...
We report the construction and characterization of a record performance continuous-wave double-pumped fiber-optical parametric amplifier exhibiting 40 dB flat gain over 81nm bandwidth.
Mechanically switchable photonic crystal filter with either all-pass transmission or flat-top reflection characteristics
Mechanically switchable photonic crystal filter either all-pass transmission flat-top reflection characteristics
2015/8/11
We theoretically introduce a new type of optical all-pass filter based on guided resonance in coupled photonic crystal slabs. The filter exhibits near-complete transmission for both on- and off-resona...