Shiro Ryu

Integrated lithium niobate electro-optic modulators operating at CMOS-compatible voltages

The security of practical quantum key distribution

Advanced Optical Modulation Formats

Frequency-stabilized DFB laser module using 1.53159 mu m absorption line of C/sub 2/H/sub 2/

Frequency stabilization of 1.55 mu m DFB laser diode using vibrational-rotational absorption of /sup 13/C/sub 2/H/sub 2/ molecules

Homodyne coherent detection of ASK and PSK signals performed by a subcarrier optical phase-locked loop

Capacity Limits of Optical Fiber Networks

Using diode lasers for atomic physics

Advances in terahertz communications accelerated by photonics

Spectral broadening of a partially coherent CW laser beam in single-mode optical fibers

Supercontinuum generation in photonic crystal fiber

Long-haul coherent optical fiber communication systems using optical amplifiers

Coherent lightwave communication systems

Measurement of direct frequency modulation characteristics of DFB-LD by delayed self-homodyne technique

Change of field spectrum of signal light due to fibre nonlinearities and chromatic dispersion in long-haul coherent systems using in-line optical amplifiers