Polymer composites are one of the most attractive near‐term means to exploit the unique
properties of carbon nanotubes and graphene. This is particularly true for composites aimed …

The third‐order nonlinear optical property χ (3) I of a film of single‐walled carbon nanotubes
was studied in the infrared region. The film combines a high χ (3) I (–0.85× 10–7 esu at …

Intersubband transition (ISBT) in GaN quantum wells (QWs) was investigated from the
viewpoint of application to ultrafast all-optical switches. The effect of crystalline quality on the …

All-optical gate-switch operation utilizing GaN intersubband-transition has been achieved by
reducing edge dislocation density in the epitaxial layers. The diminution of dislocation was …

Ag In Se 2 nanorods (NRs) with a diameter of 15 nm have been investigated for their
nonlinear optical responses by using Z-scan and transient absorption techniques with …

We report on the first all-optical switching operation of intersubband absorption at an optical
communication wavelength (/spl sim/1.55 μm). The 1.55-μm intersubband absorption was …

We report on intersubband (ISB) absorption and ultrafast ISB energy relaxation of carriers in
n-type doped (CdS/ZnSe)/BeTe quantum wells (QWs), grown by molecular-beam epitaxy …

Ultrafast all-optical switching at an optical communication wavelength has been investigated
by utilizing an intersubband transition (ISBT) of II–VI-based multiple quantum wells (MQWs) …

Excess polarization dependent loss (PDL) was investigated for GaN waveguide devices
grown by molecular beam epitaxy (MBE). The loss for transverse magnetic polarization …

We developed a pigtailed fiber module including an intersubband transition all-optical
switch using InGaAs-AlAs-AlAsSb coupled double quantum wells and studied the …